Patent
US 10,995,428GRAPHENE FIBER AND METHOD OF MANUFACTURING THE SAME
Tae Hee HAN
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,995,428Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 5 is an image of a graphene fiber with high degree of orientation according to the first embodiment of the inventive concepts. [00237] According to the …
FIG. 2 5 is a storage modulus graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC I 3 according to the second embodiments 2 through 4 …
FIGS. 3A-3 B are views illustrating degree of orientation and elongation percentage of a graphene fiber acc o rding to the first embodiment of the inventive …
FIG. 4. As illustrated in
FIG. 5 is a view illustrating a function of a binder in a coagulation bath which is used for a method of manufacturing a graphene fiber according to an emb o …
FIGS. 6A and 6 B are views illustrating a c o pper plated graphene fiber manufactured by a method of manufacturing a graphene fiber according to the first …
FIG. 7 is a fl o wch art illustrating a meth o d of manufacturing source solution for manufacturing a graphene fiber according to the third embodiment of the …
FIG. 8 is a view illustrating a meth o d of manufacturing source solution for manufacturing a graphene fiber according to the third embodiment of the inventive …
FIG. 9 and illustrating specific structure of a graphene oxide with pores according to the third embodiment of the inventive concepts. [00157] Referring to
FIG. 10 is a view enlarging B of
FIG. 11 is a flowchart illustrating a method of manufacturing a graphene fiber according to the third embodiment of the inventive concepts. [00177] In the …
FIG. 12 is an image illustrating a process in which a source solution is supplied thr o ugh a spinneret to f o rm a graphene o xide fiber acc o rding to the …
FIG. 13 is an image illustrating a process in which a graphene o xide fiber c o ntaining a f o reign element is wound by a winding ro ller acc o rding to the …
FIG. 14 is an image of a graphene fiber with low degree of o r ientation according to the first embodiment of the inventive concepts. [00234] According to the …
FIG. 16. A change of external pressure put to the graphene fiber was measured f o r the graphene fibers with the low degree of orientation and high degree of …
FIG. 17 illustrates images of graphene fibers according to the sec ond emb o diment 1 of the inventive c o ncepts, the first c o mparative example and a sec ond …
FIG. 18 is a graph showing circularity of graphene fibers according to the sec o nd emb o diment 1 of the inventive c o ncepts, the first c o mparative example …
FIG. 19, the graphene fiber acc o rding to the sec o nd emb o diment I which was manufactured using the coagulation bath containing the CaC 1 2 and KOH has …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIG. 22 illustrates images of source solution, source solution containing CoCl 2, A lCl 3 o r Fe Cl 3 acc o rding to the sec o nd embodiments 2 through 4 of …
FIG. 23 illustrates images of source solution and source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 24 is viscosity graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 25 is a storage modulus graph of s o urce s o luti o n, s o urce s o luti o n containing C oCl 2, A lCl 3 or FeCl 3 acc o rding to the second embodiments …
FIG. 26 is a gelation degree graph of s o urce s o luti o n, source s o luti o n containing CoC l 2, A lCl 3 or FeC l 3 acc o rding to the sec o nd embodiments …
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 28 is a mechanical strength graph of a graphene o xide fiber according to the second embodiments 2 through 4 of the inventive concepts. [0065]
FIG. 29 is an image of a graphene oxide fiber according to the second embodiment 2 of the inventive concepts. [00278] Referring to
FIG. 30 is a SEM image of the graphene o xide with p o res dispersed in the source s o luti o n acc o rding to the third embodiment of the inventive concepts …
FIG. 31 is an image of source solution according to the third embodiment of the inventive concepts. [00296] Characteristics of dispersion was observed to the …
FIG. 32 is an image of source solution according to comparative example of the third embodiment of the inventive c o ncepts. DETAILED DESCRIPTION OF THE EMBOD …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide; supplying the source solution into a base solution containing a foreign element to form a graphene oxide fiber; separating the graphene fiber from the base solution and cleaning and drying to obtain the graphene oxide fiber containing the foreign element; and performing thermal treatment to the dried graphene oxide fiber containing the foreign element to form a graphene fiber doped with the foreign element, wherein elongation percentage of the graphene fiber is adjusted by concentration and spinning rate of the source solution. Original
The method of claim 1, wherein the elongation percentage of the graphene fiber increases as increasing the concentration of the graphene oxide in the source solution. Original
The method of claim 1, wherein the elongation percentage of the graphene fiber increases as decreasing the spinning rate of the source solution. Original
The method of claim 1, wherein the obtaining of the graphene oxide fiber containing the foreign element further comprises: drying the graphene oxide fiber simultaneously with winding. Original
The method of claim 1, wherein the forming of the graphene fiber comprises: reducing the graphene oxide fiber into the graphene fiber through the thermal treatment simultaneously with doping the graphene fiber with the foreign element in the graphene oxide fiber. Original
A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide sheet; supplying the source solution into a coagulation bath which includes a reducing agent partially reducing the graphene oxide sheet and a binder binding the graphene oxide sheets to obtain the graphene oxide binder; reducing the graphene oxide fiber to form a graphene fiber; and plating the graphene fiber with copper to form a copper plated graphene fiber. Currently amended
The method of claim 7, wherein the graphene oxide sheet is partially reduced by the reducing agent to form a partially reduced graphene oxide, and wherein 7L-7L stacking in the partially reduced graphene oxide sheets increases to increase tensile strength of the graphene oxide fiber. Original
The method of claim 7, wherein the binder comprises a divalent or trivalent metallic ion. Original
The method of claim 7, wherein the forming of the copper plated graphene fiber comprises: etching the graphene fiber; combining a catalyst metal with the graphene fiber; and soaking the graphene fiber combined with the catalyst metal into a solution containing copper to plate the graphene fiber with copper using the method of reducing the copper by the catalyst metal. Currently amended
The method of claim 7, wherein the copper plated graphene fiber comprises pores provided between the graphene sheets which are reduced graphene oxide sheets, or a copper structure provided on a surface of the graphene fiber. Currently amended
The method of claim 7, wherein the forming of the graphene fiber comprises: drying the graphene oxide fiber; cleaning and drying the dried graphene oxide fiber; and soaking the cleaned and dried graphene oxide fiber into a reducing solution and performing thermal treatment to reduce the graphene oxide fiber. Original
. Canceled
, A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide sheet; supplying the source solution into a coagulation bath which includes a reducing agent partially reducing the graphene oxide sheet and a binder binding the graphene oxide sheets to obtain the graphene oxide binder; and reducing the graphene oxide fiber to form a graphene fiber wherein the source solution further comprises a carbon nanotube, and the graphene fiber further comprises the carbon nanotube. Currently amended
A method of manufacturing a graphene fiber, the method comprising: reacting a graphene oxide, oxidizing agent and pH adjusting agent after adding into a solvent to prepare a source solution in which a graphene oxide with pores; supplying the source solution into a base solution containing a foreign element to form a source oxide fiber; AM ENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₄₂₈₁₃ cleaning and drying the graphene oxide fiber after separating from the base solution to obtain a graphene oxide fiber containing the foreign element; performing thermal treatment to the dried graphene oxide fiber containing the foreign element to form a graphene fiber doped with the foreign element; and reacting the graphene fiber with an aqueous solution containing a first oxidizing agent to form micro pores in the graphene fiber. Original
The method of claim 15, wherein porosity of the graphene oxide increases as increasing content of the oxidizing agent in the source solution. Original
The method of claim 15, wherein porosity of the graphene oxide increases as increasing pH of the source solution. Original
The method of claim 15, wherein porosity of the micro pores which is formed in the graphene fiber is adjusted by content of the first oxidizing agent in the aqueous solution, and time and temperature of the reaction. Original
The method of claim 15, wherein porosity in the graphene oxide in the source solution is adjusted by the oxidizing agent in the source solution, pH of the source solution and reaction temperature. Original
The method of claim 15, wherein the forming of the graphene fiber comprises: AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₄₂₈₁₃ reducing the graphene oxide fiber into the graphene fiber through the thermal treatment simultaneously with doping the graphene fiber with the foreign element in the graphene oxide fiber, and wherein electric conductivity of the graphene fiber is adjusted by content of the foreign element doped to the graphene fiber. Original
Layer stacks claimed or described, ordered top of device to substrate.
copper plated graphene fiber
Materials described outside the worked examples.
graphene oxide
graphene fiber
foreign element dopant
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 5 is a storage modulus graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC I 3 according to the second embodiments 2 through 4 …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 100–5000 °C | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,995,428Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 5 is an image of a graphene fiber with high degree of orientation according to the first embodiment of the inventive concepts. [00237] According to the …
FIG. 2 5 is a storage modulus graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC I 3 according to the second embodiments 2 through 4 …
FIGS. 3A-3 B are views illustrating degree of orientation and elongation percentage of a graphene fiber acc o rding to the first embodiment of the inventive …
FIG. 4. As illustrated in
FIG. 5 is a view illustrating a function of a binder in a coagulation bath which is used for a method of manufacturing a graphene fiber according to an emb o …
FIGS. 6A and 6 B are views illustrating a c o pper plated graphene fiber manufactured by a method of manufacturing a graphene fiber according to the first …
FIG. 7 is a fl o wch art illustrating a meth o d of manufacturing source solution for manufacturing a graphene fiber according to the third embodiment of the …
FIG. 8 is a view illustrating a meth o d of manufacturing source solution for manufacturing a graphene fiber according to the third embodiment of the inventive …
FIG. 9 and illustrating specific structure of a graphene oxide with pores according to the third embodiment of the inventive concepts. [00157] Referring to
FIG. 10 is a view enlarging B of
FIG. 11 is a flowchart illustrating a method of manufacturing a graphene fiber according to the third embodiment of the inventive concepts. [00177] In the …
FIG. 12 is an image illustrating a process in which a source solution is supplied thr o ugh a spinneret to f o rm a graphene o xide fiber acc o rding to the …
FIG. 13 is an image illustrating a process in which a graphene o xide fiber c o ntaining a f o reign element is wound by a winding ro ller acc o rding to the …
FIG. 14 is an image of a graphene fiber with low degree of o r ientation according to the first embodiment of the inventive concepts. [00234] According to the …
FIG. 16. A change of external pressure put to the graphene fiber was measured f o r the graphene fibers with the low degree of orientation and high degree of …
FIG. 17 illustrates images of graphene fibers according to the sec ond emb o diment 1 of the inventive c o ncepts, the first c o mparative example and a sec ond …
FIG. 18 is a graph showing circularity of graphene fibers according to the sec o nd emb o diment 1 of the inventive c o ncepts, the first c o mparative example …
FIG. 19, the graphene fiber acc o rding to the sec o nd emb o diment I which was manufactured using the coagulation bath containing the CaC 1 2 and KOH has …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIG. 22 illustrates images of source solution, source solution containing CoCl 2, A lCl 3 o r Fe Cl 3 acc o rding to the sec o nd embodiments 2 through 4 of …
FIG. 23 illustrates images of source solution and source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 24 is viscosity graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 25 is a storage modulus graph of s o urce s o luti o n, s o urce s o luti o n containing C oCl 2, A lCl 3 or FeCl 3 acc o rding to the second embodiments …
FIG. 26 is a gelation degree graph of s o urce s o luti o n, source s o luti o n containing CoC l 2, A lCl 3 or FeC l 3 acc o rding to the sec o nd embodiments …
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 28 is a mechanical strength graph of a graphene o xide fiber according to the second embodiments 2 through 4 of the inventive concepts. [0065]
FIG. 29 is an image of a graphene oxide fiber according to the second embodiment 2 of the inventive concepts. [00278] Referring to
FIG. 30 is a SEM image of the graphene o xide with p o res dispersed in the source s o luti o n acc o rding to the third embodiment of the inventive concepts …
FIG. 31 is an image of source solution according to the third embodiment of the inventive concepts. [00296] Characteristics of dispersion was observed to the …
FIG. 32 is an image of source solution according to comparative example of the third embodiment of the inventive c o ncepts. DETAILED DESCRIPTION OF THE EMBOD …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide; supplying the source solution into a base solution containing a foreign element to form a graphene oxide fiber; separating the graphene fiber from the base solution and cleaning and drying to obtain the graphene oxide fiber containing the foreign element; and performing thermal treatment to the dried graphene oxide fiber containing the foreign element to form a graphene fiber doped with the foreign element, wherein elongation percentage of the graphene fiber is adjusted by concentration and spinning rate of the source solution. Original
The method of claim 1, wherein the elongation percentage of the graphene fiber increases as increasing the concentration of the graphene oxide in the source solution. Original
The method of claim 1, wherein the elongation percentage of the graphene fiber increases as decreasing the spinning rate of the source solution. Original
The method of claim 1, wherein the obtaining of the graphene oxide fiber containing the foreign element further comprises: drying the graphene oxide fiber simultaneously with winding. Original
The method of claim 1, wherein the forming of the graphene fiber comprises: reducing the graphene oxide fiber into the graphene fiber through the thermal treatment simultaneously with doping the graphene fiber with the foreign element in the graphene oxide fiber. Original
A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide sheet; supplying the source solution into a coagulation bath which includes a reducing agent partially reducing the graphene oxide sheet and a binder binding the graphene oxide sheets to obtain the graphene oxide binder; reducing the graphene oxide fiber to form a graphene fiber; and plating the graphene fiber with copper to form a copper plated graphene fiber. Currently amended
The method of claim 7, wherein the graphene oxide sheet is partially reduced by the reducing agent to form a partially reduced graphene oxide, and wherein 7L-7L stacking in the partially reduced graphene oxide sheets increases to increase tensile strength of the graphene oxide fiber. Original
The method of claim 7, wherein the binder comprises a divalent or trivalent metallic ion. Original
The method of claim 7, wherein the forming of the copper plated graphene fiber comprises: etching the graphene fiber; combining a catalyst metal with the graphene fiber; and soaking the graphene fiber combined with the catalyst metal into a solution containing copper to plate the graphene fiber with copper using the method of reducing the copper by the catalyst metal. Currently amended
The method of claim 7, wherein the copper plated graphene fiber comprises pores provided between the graphene sheets which are reduced graphene oxide sheets, or a copper structure provided on a surface of the graphene fiber. Currently amended
The method of claim 7, wherein the forming of the graphene fiber comprises: drying the graphene oxide fiber; cleaning and drying the dried graphene oxide fiber; and soaking the cleaned and dried graphene oxide fiber into a reducing solution and performing thermal treatment to reduce the graphene oxide fiber. Original
. Canceled
, A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide sheet; supplying the source solution into a coagulation bath which includes a reducing agent partially reducing the graphene oxide sheet and a binder binding the graphene oxide sheets to obtain the graphene oxide binder; and reducing the graphene oxide fiber to form a graphene fiber wherein the source solution further comprises a carbon nanotube, and the graphene fiber further comprises the carbon nanotube. Currently amended
A method of manufacturing a graphene fiber, the method comprising: reacting a graphene oxide, oxidizing agent and pH adjusting agent after adding into a solvent to prepare a source solution in which a graphene oxide with pores; supplying the source solution into a base solution containing a foreign element to form a source oxide fiber; AM ENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₄₂₈₁₃ cleaning and drying the graphene oxide fiber after separating from the base solution to obtain a graphene oxide fiber containing the foreign element; performing thermal treatment to the dried graphene oxide fiber containing the foreign element to form a graphene fiber doped with the foreign element; and reacting the graphene fiber with an aqueous solution containing a first oxidizing agent to form micro pores in the graphene fiber. Original
The method of claim 15, wherein porosity of the graphene oxide increases as increasing content of the oxidizing agent in the source solution. Original
The method of claim 15, wherein porosity of the graphene oxide increases as increasing pH of the source solution. Original
The method of claim 15, wherein porosity of the micro pores which is formed in the graphene fiber is adjusted by content of the first oxidizing agent in the aqueous solution, and time and temperature of the reaction. Original
The method of claim 15, wherein porosity in the graphene oxide in the source solution is adjusted by the oxidizing agent in the source solution, pH of the source solution and reaction temperature. Original
The method of claim 15, wherein the forming of the graphene fiber comprises: AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₄₂₈₁₃ reducing the graphene oxide fiber into the graphene fiber through the thermal treatment simultaneously with doping the graphene fiber with the foreign element in the graphene oxide fiber, and wherein electric conductivity of the graphene fiber is adjusted by content of the foreign element doped to the graphene fiber. Original
Layer stacks claimed or described, ordered top of device to substrate.
copper plated graphene fiber
Materials described outside the worked examples.
graphene oxide
graphene fiber
foreign element dopant
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 5 is a storage modulus graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC I 3 according to the second embodiments 2 through 4 …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 100–5000 °C | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,995,428Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 5 is an image of a graphene fiber with high degree of orientation according to the first embodiment of the inventive concepts. [00237] According to the …
FIG. 2 5 is a storage modulus graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC I 3 according to the second embodiments 2 through 4 …
FIGS. 3A-3 B are views illustrating degree of orientation and elongation percentage of a graphene fiber acc o rding to the first embodiment of the inventive …
FIG. 4. As illustrated in
FIG. 5 is a view illustrating a function of a binder in a coagulation bath which is used for a method of manufacturing a graphene fiber according to an emb o …
FIGS. 6A and 6 B are views illustrating a c o pper plated graphene fiber manufactured by a method of manufacturing a graphene fiber according to the first …
FIG. 7 is a fl o wch art illustrating a meth o d of manufacturing source solution for manufacturing a graphene fiber according to the third embodiment of the …
FIG. 8 is a view illustrating a meth o d of manufacturing source solution for manufacturing a graphene fiber according to the third embodiment of the inventive …
FIG. 9 and illustrating specific structure of a graphene oxide with pores according to the third embodiment of the inventive concepts. [00157] Referring to
FIG. 10 is a view enlarging B of
FIG. 11 is a flowchart illustrating a method of manufacturing a graphene fiber according to the third embodiment of the inventive concepts. [00177] In the …
FIG. 12 is an image illustrating a process in which a source solution is supplied thr o ugh a spinneret to f o rm a graphene o xide fiber acc o rding to the …
FIG. 13 is an image illustrating a process in which a graphene o xide fiber c o ntaining a f o reign element is wound by a winding ro ller acc o rding to the …
FIG. 14 is an image of a graphene fiber with low degree of o r ientation according to the first embodiment of the inventive concepts. [00234] According to the …
FIG. 16. A change of external pressure put to the graphene fiber was measured f o r the graphene fibers with the low degree of orientation and high degree of …
FIG. 17 illustrates images of graphene fibers according to the sec ond emb o diment 1 of the inventive c o ncepts, the first c o mparative example and a sec ond …
FIG. 18 is a graph showing circularity of graphene fibers according to the sec o nd emb o diment 1 of the inventive c o ncepts, the first c o mparative example …
FIG. 19, the graphene fiber acc o rding to the sec o nd emb o diment I which was manufactured using the coagulation bath containing the CaC 1 2 and KOH has …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIG. 22 illustrates images of source solution, source solution containing CoCl 2, A lCl 3 o r Fe Cl 3 acc o rding to the sec o nd embodiments 2 through 4 of …
FIG. 23 illustrates images of source solution and source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 24 is viscosity graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 25 is a storage modulus graph of s o urce s o luti o n, s o urce s o luti o n containing C oCl 2, A lCl 3 or FeCl 3 acc o rding to the second embodiments …
FIG. 26 is a gelation degree graph of s o urce s o luti o n, source s o luti o n containing CoC l 2, A lCl 3 or FeC l 3 acc o rding to the sec o nd embodiments …
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 28 is a mechanical strength graph of a graphene o xide fiber according to the second embodiments 2 through 4 of the inventive concepts. [0065]
FIG. 29 is an image of a graphene oxide fiber according to the second embodiment 2 of the inventive concepts. [00278] Referring to
FIG. 30 is a SEM image of the graphene o xide with p o res dispersed in the source s o luti o n acc o rding to the third embodiment of the inventive concepts …
FIG. 31 is an image of source solution according to the third embodiment of the inventive concepts. [00296] Characteristics of dispersion was observed to the …
FIG. 32 is an image of source solution according to comparative example of the third embodiment of the inventive c o ncepts. DETAILED DESCRIPTION OF THE EMBOD …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide; supplying the source solution into a base solution containing a foreign element to form a graphene oxide fiber; separating the graphene fiber from the base solution and cleaning and drying to obtain the graphene oxide fiber containing the foreign element; and performing thermal treatment to the dried graphene oxide fiber containing the foreign element to form a graphene fiber doped with the foreign element, wherein elongation percentage of the graphene fiber is adjusted by concentration and spinning rate of the source solution. Original
The method of claim 1, wherein the elongation percentage of the graphene fiber increases as increasing the concentration of the graphene oxide in the source solution. Original
The method of claim 1, wherein the elongation percentage of the graphene fiber increases as decreasing the spinning rate of the source solution. Original
The method of claim 1, wherein the obtaining of the graphene oxide fiber containing the foreign element further comprises: drying the graphene oxide fiber simultaneously with winding. Original
The method of claim 1, wherein the forming of the graphene fiber comprises: reducing the graphene oxide fiber into the graphene fiber through the thermal treatment simultaneously with doping the graphene fiber with the foreign element in the graphene oxide fiber. Original
A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide sheet; supplying the source solution into a coagulation bath which includes a reducing agent partially reducing the graphene oxide sheet and a binder binding the graphene oxide sheets to obtain the graphene oxide binder; reducing the graphene oxide fiber to form a graphene fiber; and plating the graphene fiber with copper to form a copper plated graphene fiber. Currently amended
The method of claim 7, wherein the graphene oxide sheet is partially reduced by the reducing agent to form a partially reduced graphene oxide, and wherein 7L-7L stacking in the partially reduced graphene oxide sheets increases to increase tensile strength of the graphene oxide fiber. Original
The method of claim 7, wherein the binder comprises a divalent or trivalent metallic ion. Original
The method of claim 7, wherein the forming of the copper plated graphene fiber comprises: etching the graphene fiber; combining a catalyst metal with the graphene fiber; and soaking the graphene fiber combined with the catalyst metal into a solution containing copper to plate the graphene fiber with copper using the method of reducing the copper by the catalyst metal. Currently amended
The method of claim 7, wherein the copper plated graphene fiber comprises pores provided between the graphene sheets which are reduced graphene oxide sheets, or a copper structure provided on a surface of the graphene fiber. Currently amended
The method of claim 7, wherein the forming of the graphene fiber comprises: drying the graphene oxide fiber; cleaning and drying the dried graphene oxide fiber; and soaking the cleaned and dried graphene oxide fiber into a reducing solution and performing thermal treatment to reduce the graphene oxide fiber. Original
. Canceled
, A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide sheet; supplying the source solution into a coagulation bath which includes a reducing agent partially reducing the graphene oxide sheet and a binder binding the graphene oxide sheets to obtain the graphene oxide binder; and reducing the graphene oxide fiber to form a graphene fiber wherein the source solution further comprises a carbon nanotube, and the graphene fiber further comprises the carbon nanotube. Currently amended
A method of manufacturing a graphene fiber, the method comprising: reacting a graphene oxide, oxidizing agent and pH adjusting agent after adding into a solvent to prepare a source solution in which a graphene oxide with pores; supplying the source solution into a base solution containing a foreign element to form a source oxide fiber; AM ENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₄₂₈₁₃ cleaning and drying the graphene oxide fiber after separating from the base solution to obtain a graphene oxide fiber containing the foreign element; performing thermal treatment to the dried graphene oxide fiber containing the foreign element to form a graphene fiber doped with the foreign element; and reacting the graphene fiber with an aqueous solution containing a first oxidizing agent to form micro pores in the graphene fiber. Original
The method of claim 15, wherein porosity of the graphene oxide increases as increasing content of the oxidizing agent in the source solution. Original
The method of claim 15, wherein porosity of the graphene oxide increases as increasing pH of the source solution. Original
The method of claim 15, wherein porosity of the micro pores which is formed in the graphene fiber is adjusted by content of the first oxidizing agent in the aqueous solution, and time and temperature of the reaction. Original
The method of claim 15, wherein porosity in the graphene oxide in the source solution is adjusted by the oxidizing agent in the source solution, pH of the source solution and reaction temperature. Original
The method of claim 15, wherein the forming of the graphene fiber comprises: AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₄₂₈₁₃ reducing the graphene oxide fiber into the graphene fiber through the thermal treatment simultaneously with doping the graphene fiber with the foreign element in the graphene oxide fiber, and wherein electric conductivity of the graphene fiber is adjusted by content of the foreign element doped to the graphene fiber. Original
Layer stacks claimed or described, ordered top of device to substrate.
copper plated graphene fiber
Materials described outside the worked examples.
graphene oxide
graphene fiber
foreign element dopant
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 5 is a storage modulus graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC I 3 according to the second embodiments 2 through 4 …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 100–5000 °C | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,995,428Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 5 is an image of a graphene fiber with high degree of orientation according to the first embodiment of the inventive concepts. [00237] According to the …
FIG. 2 5 is a storage modulus graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC I 3 according to the second embodiments 2 through 4 …
FIGS. 3A-3 B are views illustrating degree of orientation and elongation percentage of a graphene fiber acc o rding to the first embodiment of the inventive …
FIG. 4. As illustrated in
FIG. 5 is a view illustrating a function of a binder in a coagulation bath which is used for a method of manufacturing a graphene fiber according to an emb o …
FIGS. 6A and 6 B are views illustrating a c o pper plated graphene fiber manufactured by a method of manufacturing a graphene fiber according to the first …
FIG. 7 is a fl o wch art illustrating a meth o d of manufacturing source solution for manufacturing a graphene fiber according to the third embodiment of the …
FIG. 8 is a view illustrating a meth o d of manufacturing source solution for manufacturing a graphene fiber according to the third embodiment of the inventive …
FIG. 9 and illustrating specific structure of a graphene oxide with pores according to the third embodiment of the inventive concepts. [00157] Referring to
FIG. 10 is a view enlarging B of
FIG. 11 is a flowchart illustrating a method of manufacturing a graphene fiber according to the third embodiment of the inventive concepts. [00177] In the …
FIG. 12 is an image illustrating a process in which a source solution is supplied thr o ugh a spinneret to f o rm a graphene o xide fiber acc o rding to the …
FIG. 13 is an image illustrating a process in which a graphene o xide fiber c o ntaining a f o reign element is wound by a winding ro ller acc o rding to the …
FIG. 14 is an image of a graphene fiber with low degree of o r ientation according to the first embodiment of the inventive concepts. [00234] According to the …
FIG. 16. A change of external pressure put to the graphene fiber was measured f o r the graphene fibers with the low degree of orientation and high degree of …
FIG. 17 illustrates images of graphene fibers according to the sec ond emb o diment 1 of the inventive c o ncepts, the first c o mparative example and a sec ond …
FIG. 18 is a graph showing circularity of graphene fibers according to the sec o nd emb o diment 1 of the inventive c o ncepts, the first c o mparative example …
FIG. 19, the graphene fiber acc o rding to the sec o nd emb o diment I which was manufactured using the coagulation bath containing the CaC 1 2 and KOH has …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIG. 22 illustrates images of source solution, source solution containing CoCl 2, A lCl 3 o r Fe Cl 3 acc o rding to the sec o nd embodiments 2 through 4 of …
FIG. 23 illustrates images of source solution and source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 24 is viscosity graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 25 is a storage modulus graph of s o urce s o luti o n, s o urce s o luti o n containing C oCl 2, A lCl 3 or FeCl 3 acc o rding to the second embodiments …
FIG. 26 is a gelation degree graph of s o urce s o luti o n, source s o luti o n containing CoC l 2, A lCl 3 or FeC l 3 acc o rding to the sec o nd embodiments …
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 28 is a mechanical strength graph of a graphene o xide fiber according to the second embodiments 2 through 4 of the inventive concepts. [0065]
FIG. 29 is an image of a graphene oxide fiber according to the second embodiment 2 of the inventive concepts. [00278] Referring to
FIG. 30 is a SEM image of the graphene o xide with p o res dispersed in the source s o luti o n acc o rding to the third embodiment of the inventive concepts …
FIG. 31 is an image of source solution according to the third embodiment of the inventive concepts. [00296] Characteristics of dispersion was observed to the …
FIG. 32 is an image of source solution according to comparative example of the third embodiment of the inventive c o ncepts. DETAILED DESCRIPTION OF THE EMBOD …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide; supplying the source solution into a base solution containing a foreign element to form a graphene oxide fiber; separating the graphene fiber from the base solution and cleaning and drying to obtain the graphene oxide fiber containing the foreign element; and performing thermal treatment to the dried graphene oxide fiber containing the foreign element to form a graphene fiber doped with the foreign element, wherein elongation percentage of the graphene fiber is adjusted by concentration and spinning rate of the source solution. Original
The method of claim 1, wherein the elongation percentage of the graphene fiber increases as increasing the concentration of the graphene oxide in the source solution. Original
The method of claim 1, wherein the elongation percentage of the graphene fiber increases as decreasing the spinning rate of the source solution. Original
The method of claim 1, wherein the obtaining of the graphene oxide fiber containing the foreign element further comprises: drying the graphene oxide fiber simultaneously with winding. Original
The method of claim 1, wherein the forming of the graphene fiber comprises: reducing the graphene oxide fiber into the graphene fiber through the thermal treatment simultaneously with doping the graphene fiber with the foreign element in the graphene oxide fiber. Original
A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide sheet; supplying the source solution into a coagulation bath which includes a reducing agent partially reducing the graphene oxide sheet and a binder binding the graphene oxide sheets to obtain the graphene oxide binder; reducing the graphene oxide fiber to form a graphene fiber; and plating the graphene fiber with copper to form a copper plated graphene fiber. Currently amended
The method of claim 7, wherein the graphene oxide sheet is partially reduced by the reducing agent to form a partially reduced graphene oxide, and wherein 7L-7L stacking in the partially reduced graphene oxide sheets increases to increase tensile strength of the graphene oxide fiber. Original
The method of claim 7, wherein the binder comprises a divalent or trivalent metallic ion. Original
The method of claim 7, wherein the forming of the copper plated graphene fiber comprises: etching the graphene fiber; combining a catalyst metal with the graphene fiber; and soaking the graphene fiber combined with the catalyst metal into a solution containing copper to plate the graphene fiber with copper using the method of reducing the copper by the catalyst metal. Currently amended
The method of claim 7, wherein the copper plated graphene fiber comprises pores provided between the graphene sheets which are reduced graphene oxide sheets, or a copper structure provided on a surface of the graphene fiber. Currently amended
The method of claim 7, wherein the forming of the graphene fiber comprises: drying the graphene oxide fiber; cleaning and drying the dried graphene oxide fiber; and soaking the cleaned and dried graphene oxide fiber into a reducing solution and performing thermal treatment to reduce the graphene oxide fiber. Original
. Canceled
, A method of manufacturing a graphene fiber, the method comprising: preparing a source solution including graphene oxide sheet; supplying the source solution into a coagulation bath which includes a reducing agent partially reducing the graphene oxide sheet and a binder binding the graphene oxide sheets to obtain the graphene oxide binder; and reducing the graphene oxide fiber to form a graphene fiber wherein the source solution further comprises a carbon nanotube, and the graphene fiber further comprises the carbon nanotube. Currently amended
A method of manufacturing a graphene fiber, the method comprising: reacting a graphene oxide, oxidizing agent and pH adjusting agent after adding into a solvent to prepare a source solution in which a graphene oxide with pores; supplying the source solution into a base solution containing a foreign element to form a source oxide fiber; AM ENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₄₂₈₁₃ cleaning and drying the graphene oxide fiber after separating from the base solution to obtain a graphene oxide fiber containing the foreign element; performing thermal treatment to the dried graphene oxide fiber containing the foreign element to form a graphene fiber doped with the foreign element; and reacting the graphene fiber with an aqueous solution containing a first oxidizing agent to form micro pores in the graphene fiber. Original
The method of claim 15, wherein porosity of the graphene oxide increases as increasing content of the oxidizing agent in the source solution. Original
The method of claim 15, wherein porosity of the graphene oxide increases as increasing pH of the source solution. Original
The method of claim 15, wherein porosity of the micro pores which is formed in the graphene fiber is adjusted by content of the first oxidizing agent in the aqueous solution, and time and temperature of the reaction. Original
The method of claim 15, wherein porosity in the graphene oxide in the source solution is adjusted by the oxidizing agent in the source solution, pH of the source solution and reaction temperature. Original
The method of claim 15, wherein the forming of the graphene fiber comprises: AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₄₂₈₁₃ reducing the graphene oxide fiber into the graphene fiber through the thermal treatment simultaneously with doping the graphene fiber with the foreign element in the graphene oxide fiber, and wherein electric conductivity of the graphene fiber is adjusted by content of the foreign element doped to the graphene fiber. Original
Layer stacks claimed or described, ordered top of device to substrate.
copper plated graphene fiber
Materials described outside the worked examples.
graphene oxide
graphene fiber
foreign element dopant
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 5 is a storage modulus graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC I 3 according to the second embodiments 2 through 4 …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 100–5000 °C | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
reducing agent
binder (divalent or trivalent metallic ion)
copper
Cu
partially reduced graphene oxide
catalyst metal
carbon nanotube
oxidizing agent
copper plated graphene fiber
FIGS. 6A and 6 B are views illustrating a c o pper plated graphene fiber manufactured by a method of manufacturing a graphene fiber according to the first …
FIG. 16. A change of external pressure put to the graphene fiber was measured f o r the graphene fibers with the low degree of orientation and high degree of …
FIG. 18 is a graph showing circularity of graphene fibers according to the sec o nd emb o diment 1 of the inventive c o ncepts, the first c o mparative example …
FIG. 19, the graphene fiber acc o rding to the sec o nd emb o diment I which was manufactured using the coagulation bath containing the CaC 1 2 and KOH has …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIG. 24 is viscosity graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 25 is a storage modulus graph of s o urce s o luti o n, s o urce s o luti o n containing C oCl 2, A lCl 3 or FeCl 3 acc o rding to the second embodiments …
FIG. 26 is a gelation degree graph of s o urce s o luti o n, source s o luti o n containing CoC l 2, A lCl 3 or FeC l 3 acc o rding to the sec o nd embodiments …
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 28 is a mechanical strength graph of a graphene o xide fiber according to the second embodiments 2 through 4 of the inventive concepts. [0065]
FIG. 30 is a SEM image of the graphene o xide with p o res dispersed in the source s o luti o n acc o rding to the third embodiment of the inventive concepts …
| 600–36000 s |
| — |
Duration | 600–14400 s | — |
Duration | 1–10 minutes | — |
Temperature | 10–100 °C | — |
Temperature | 70–80 °C | — |
reducing agent
binder (divalent or trivalent metallic ion)
copper
Cu
partially reduced graphene oxide
catalyst metal
carbon nanotube
oxidizing agent
copper plated graphene fiber
FIGS. 6A and 6 B are views illustrating a c o pper plated graphene fiber manufactured by a method of manufacturing a graphene fiber according to the first …
FIG. 16. A change of external pressure put to the graphene fiber was measured f o r the graphene fibers with the low degree of orientation and high degree of …
FIG. 18 is a graph showing circularity of graphene fibers according to the sec o nd emb o diment 1 of the inventive c o ncepts, the first c o mparative example …
FIG. 19, the graphene fiber acc o rding to the sec o nd emb o diment I which was manufactured using the coagulation bath containing the CaC 1 2 and KOH has …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIG. 24 is viscosity graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 25 is a storage modulus graph of s o urce s o luti o n, s o urce s o luti o n containing C oCl 2, A lCl 3 or FeCl 3 acc o rding to the second embodiments …
FIG. 26 is a gelation degree graph of s o urce s o luti o n, source s o luti o n containing CoC l 2, A lCl 3 or FeC l 3 acc o rding to the sec o nd embodiments …
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 28 is a mechanical strength graph of a graphene o xide fiber according to the second embodiments 2 through 4 of the inventive concepts. [0065]
FIG. 30 is a SEM image of the graphene o xide with p o res dispersed in the source s o luti o n acc o rding to the third embodiment of the inventive concepts …
| 600–36000 s |
| — |
Duration | 600–14400 s | — |
Duration | 1–10 minutes | — |
Temperature | 10–100 °C | — |
Temperature | 70–80 °C | — |
reducing agent
binder (divalent or trivalent metallic ion)
copper
Cu
partially reduced graphene oxide
catalyst metal
carbon nanotube
oxidizing agent
copper plated graphene fiber
FIGS. 6A and 6 B are views illustrating a c o pper plated graphene fiber manufactured by a method of manufacturing a graphene fiber according to the first …
FIG. 16. A change of external pressure put to the graphene fiber was measured f o r the graphene fibers with the low degree of orientation and high degree of …
FIG. 18 is a graph showing circularity of graphene fibers according to the sec o nd emb o diment 1 of the inventive c o ncepts, the first c o mparative example …
FIG. 19, the graphene fiber acc o rding to the sec o nd emb o diment I which was manufactured using the coagulation bath containing the CaC 1 2 and KOH has …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIG. 24 is viscosity graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 25 is a storage modulus graph of s o urce s o luti o n, s o urce s o luti o n containing C oCl 2, A lCl 3 or FeCl 3 acc o rding to the second embodiments …
FIG. 26 is a gelation degree graph of s o urce s o luti o n, source s o luti o n containing CoC l 2, A lCl 3 or FeC l 3 acc o rding to the sec o nd embodiments …
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 28 is a mechanical strength graph of a graphene o xide fiber according to the second embodiments 2 through 4 of the inventive concepts. [0065]
FIG. 30 is a SEM image of the graphene o xide with p o res dispersed in the source s o luti o n acc o rding to the third embodiment of the inventive concepts …
| 600–36000 s |
| — |
Duration | 600–14400 s | — |
Duration | 1–10 minutes | — |
Temperature | 10–100 °C | — |
Temperature | 70–80 °C | — |
reducing agent
binder (divalent or trivalent metallic ion)
copper
Cu
partially reduced graphene oxide
catalyst metal
carbon nanotube
oxidizing agent
copper plated graphene fiber
FIGS. 6A and 6 B are views illustrating a c o pper plated graphene fiber manufactured by a method of manufacturing a graphene fiber according to the first …
FIG. 16. A change of external pressure put to the graphene fiber was measured f o r the graphene fibers with the low degree of orientation and high degree of …
FIG. 18 is a graph showing circularity of graphene fibers according to the sec o nd emb o diment 1 of the inventive c o ncepts, the first c o mparative example …
FIG. 19, the graphene fiber acc o rding to the sec o nd emb o diment I which was manufactured using the coagulation bath containing the CaC 1 2 and KOH has …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIG. 20 is a graph showing standard deviation of thickness of graphene fibers acc o rding to the sec o nd emb o diment 1 of the inventive c o ncepts, the first …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIGS. 21 and 22, AFM topology and thickness of the graphene o xide sheet which had been used in the sec o nd embodiments 2 to 4 was measured. The thickness of …
FIG. 24 is viscosity graph of source solution, source solution containing CoC l 2, A lCl 3 or FeC l 3 according to the second embodiments 2 through 4 of the …
FIG. 25 is a storage modulus graph of s o urce s o luti o n, s o urce s o luti o n containing C oCl 2, A lCl 3 or FeCl 3 acc o rding to the second embodiments …
FIG. 26 is a gelation degree graph of s o urce s o luti o n, source s o luti o n containing CoC l 2, A lCl 3 or FeC l 3 acc o rding to the sec o nd embodiments …
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 27 is an XRD graph of a graphene oxide fiber according to the second embodiments 2 through 4 of the inventive c o ncepts. [0064]
FIG. 28 is a mechanical strength graph of a graphene o xide fiber according to the second embodiments 2 through 4 of the inventive concepts. [0065]
FIG. 30 is a SEM image of the graphene o xide with p o res dispersed in the source s o luti o n acc o rding to the third embodiment of the inventive concepts …
| 600–36000 s |
| — |
Duration | 600–14400 s | — |
Duration | 1–10 minutes | — |
Temperature | 10–100 °C | — |
Temperature | 70–80 °C | — |