Patent
US 9,573,813GRAPHITE OXIDE, GRAPHENE OXIDE OR GRAPHENE, ELECTRIC DEVICE USING THE SAME AND METHOD OF MANUFACTURING THE SAME, AND ELECTRODIALYSIS APPARATUS
Hiroatsu TODORIKI
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,573,813Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. An electrodialysis apparatus used in this embodiment includes an anode 121, a cathode 122, an anion exchange membrane 123, a first bipolar membrane 25 …
FIG. 2. The hydroxide ion released into the purified solution tube 115 is, on the other hand, bonded to the hydrogen ion in the purified solution tube 115, …
FIG. 3) includes a bipolar membrane 173 instead of the anion exchange membrane 163 in the 5 electrodialysis apparatus shown in
FIG. 4C. An apparatus for the electrodialysis described in this embodiment can be constructed based on FIG 4C, as in
FIG. 5A. A voltage is applied between the anode 131 and the cathode 132. [0063] A chlorine ion (C l-) and a cation (M *) contained in the solution flowing 5 …
FIG. 6A. A 30 voltage is applied between the anode 161 and the cathode 162. A chlorine ion (C l-) and a cation (M *) contained in the solution flowing through …
FIGS. 7A and 7 B illustrate an example of a secondary battery; 10
FIG. 8 illustrates the case where the power storage device 414 is provided inside a ceiling 415 on which the housing 412 and the light source 413 are …
FIG. 9. With the use of the secondary battery according to one embodiment of the present invention in the RF power feeding system, the amount of power storage …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
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A method for manufacturing graphite oxide, comprising: adding graphite to a solution with an oxidizer to oxidize the graphite so that a dispersion solution containing graphite oxide is formed; adding a pH adjuster to the dispersion solution so that pH of the dispersion solution becomes 6 to 8; performing a first electrodialysis to remove cations and anions from the dispersion solution; and performing a second electrodialysis to remove cations from the dispersion solution, wherein a bipolar membrane is used in the second electrodialysis.
The method for manufacturing graphite oxide, according to claim 3, wherein the pH adjuster is lithium hydroxide or ammonium hydroxide.
The method for manufacturing graphite oxide, according to claim 3, wherein a first cation exchange membrane and an anion exchange membrane are used in the first electrodialysis, and wherein a second cation exchange membrane and [[a]] the bipolar membrane are used in the second electrodialysis.
4840-5831-8904 1 canceled according to claim 9, wherein the pH adjuster according to claim 9, wherein a first cation membrane are used in the first electrodialysis, and [[a]] the bipolar membrane are used in the according to claim 3, wherein the oxidizer according t claim 9, wherein the oxidizer
. canceled
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4840-5831-8904 1 canceled
A method for manufacturing graphene oxide, comprising: adding graphite to a solution with an oxidizer to oxidize the graphite so that a dispersion solution containing graphite oxide is formed; adding a pH adjuster to the dispersion solution so that pH of the dispersion solution becomes 6 to 8; performing a first electrodialysis to remove cations and anions from the dispersion solution; performing a second electrodialysis to remove cations from the dispersion solution; and performing an ultrasonic treatment on graphite oxide obtained by the first electrodialysis and the second electrodialysis so that graphene oxide is formed, wherein a bipolar membrane is used in the second electrodialysis.
A method for manufacturing graphene, comprising reducing graphene oxide obtained by the method according to claim 9.
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The method for manufacturing graphene oxide, is lithium hydroxide or ammonium hydroxide.
. canceled
The method for manufacturing graphene oxide, exchange membrane and an anion exchange wherein a second cation exchange membrane and second electrodialysis.
The method for manufacturing graphite oxide, comprises potassium permanganate. 4840-5831-8904
canceled
The method for manufacturing graphene oxide, comprises potassium permanganate.
Materials described outside the worked examples.
graphite
C
graphite oxide
Additional fabrication and treatment steps described in the patent.
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
Method of manufacturing graphene composite including ultrasonic-wave pulverization post-treatment process and method of manufacturing active material using the same
Patent
Atlas literature
Patent
US 9,573,813Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. An electrodialysis apparatus used in this embodiment includes an anode 121, a cathode 122, an anion exchange membrane 123, a first bipolar membrane 25 …
FIG. 2. The hydroxide ion released into the purified solution tube 115 is, on the other hand, bonded to the hydrogen ion in the purified solution tube 115, …
FIG. 3) includes a bipolar membrane 173 instead of the anion exchange membrane 163 in the 5 electrodialysis apparatus shown in
FIG. 4C. An apparatus for the electrodialysis described in this embodiment can be constructed based on FIG 4C, as in
FIG. 5A. A voltage is applied between the anode 131 and the cathode 132. [0063] A chlorine ion (C l-) and a cation (M *) contained in the solution flowing 5 …
FIG. 6A. A 30 voltage is applied between the anode 161 and the cathode 162. A chlorine ion (C l-) and a cation (M *) contained in the solution flowing through …
FIGS. 7A and 7 B illustrate an example of a secondary battery; 10
FIG. 8 illustrates the case where the power storage device 414 is provided inside a ceiling 415 on which the housing 412 and the light source 413 are …
FIG. 9. With the use of the secondary battery according to one embodiment of the present invention in the RF power feeding system, the amount of power storage …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-2. canceled
canceled
A method for manufacturing graphite oxide, comprising: adding graphite to a solution with an oxidizer to oxidize the graphite so that a dispersion solution containing graphite oxide is formed; adding a pH adjuster to the dispersion solution so that pH of the dispersion solution becomes 6 to 8; performing a first electrodialysis to remove cations and anions from the dispersion solution; and performing a second electrodialysis to remove cations from the dispersion solution, wherein a bipolar membrane is used in the second electrodialysis.
The method for manufacturing graphite oxide, according to claim 3, wherein the pH adjuster is lithium hydroxide or ammonium hydroxide.
The method for manufacturing graphite oxide, according to claim 3, wherein a first cation exchange membrane and an anion exchange membrane are used in the first electrodialysis, and wherein a second cation exchange membrane and [[a]] the bipolar membrane are used in the second electrodialysis.
4840-5831-8904 1 canceled according to claim 9, wherein the pH adjuster according to claim 9, wherein a first cation membrane are used in the first electrodialysis, and [[a]] the bipolar membrane are used in the according to claim 3, wherein the oxidizer according t claim 9, wherein the oxidizer
. canceled
7-8.. canceled
4840-5831-8904 1 canceled
A method for manufacturing graphene oxide, comprising: adding graphite to a solution with an oxidizer to oxidize the graphite so that a dispersion solution containing graphite oxide is formed; adding a pH adjuster to the dispersion solution so that pH of the dispersion solution becomes 6 to 8; performing a first electrodialysis to remove cations and anions from the dispersion solution; performing a second electrodialysis to remove cations from the dispersion solution; and performing an ultrasonic treatment on graphite oxide obtained by the first electrodialysis and the second electrodialysis so that graphene oxide is formed, wherein a bipolar membrane is used in the second electrodialysis.
A method for manufacturing graphene, comprising reducing graphene oxide obtained by the method according to claim 9.
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canceled
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canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
The method for manufacturing graphene oxide, is lithium hydroxide or ammonium hydroxide.
. canceled
The method for manufacturing graphene oxide, exchange membrane and an anion exchange wherein a second cation exchange membrane and second electrodialysis.
The method for manufacturing graphite oxide, comprises potassium permanganate. 4840-5831-8904
canceled
The method for manufacturing graphene oxide, comprises potassium permanganate.
Materials described outside the worked examples.
graphite
C
graphite oxide
Additional fabrication and treatment steps described in the patent.
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
Method of manufacturing graphene composite including ultrasonic-wave pulverization post-treatment process and method of manufacturing active material using the same
Patent
Atlas literature
Patent
US 9,573,813Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. An electrodialysis apparatus used in this embodiment includes an anode 121, a cathode 122, an anion exchange membrane 123, a first bipolar membrane 25 …
FIG. 2. The hydroxide ion released into the purified solution tube 115 is, on the other hand, bonded to the hydrogen ion in the purified solution tube 115, …
FIG. 3) includes a bipolar membrane 173 instead of the anion exchange membrane 163 in the 5 electrodialysis apparatus shown in
FIG. 4C. An apparatus for the electrodialysis described in this embodiment can be constructed based on FIG 4C, as in
FIG. 5A. A voltage is applied between the anode 131 and the cathode 132. [0063] A chlorine ion (C l-) and a cation (M *) contained in the solution flowing 5 …
FIG. 6A. A 30 voltage is applied between the anode 161 and the cathode 162. A chlorine ion (C l-) and a cation (M *) contained in the solution flowing through …
FIGS. 7A and 7 B illustrate an example of a secondary battery; 10
FIG. 8 illustrates the case where the power storage device 414 is provided inside a ceiling 415 on which the housing 412 and the light source 413 are …
FIG. 9. With the use of the secondary battery according to one embodiment of the present invention in the RF power feeding system, the amount of power storage …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-2. canceled
canceled
A method for manufacturing graphite oxide, comprising: adding graphite to a solution with an oxidizer to oxidize the graphite so that a dispersion solution containing graphite oxide is formed; adding a pH adjuster to the dispersion solution so that pH of the dispersion solution becomes 6 to 8; performing a first electrodialysis to remove cations and anions from the dispersion solution; and performing a second electrodialysis to remove cations from the dispersion solution, wherein a bipolar membrane is used in the second electrodialysis.
The method for manufacturing graphite oxide, according to claim 3, wherein the pH adjuster is lithium hydroxide or ammonium hydroxide.
The method for manufacturing graphite oxide, according to claim 3, wherein a first cation exchange membrane and an anion exchange membrane are used in the first electrodialysis, and wherein a second cation exchange membrane and [[a]] the bipolar membrane are used in the second electrodialysis.
4840-5831-8904 1 canceled according to claim 9, wherein the pH adjuster according to claim 9, wherein a first cation membrane are used in the first electrodialysis, and [[a]] the bipolar membrane are used in the according to claim 3, wherein the oxidizer according t claim 9, wherein the oxidizer
. canceled
7-8.. canceled
4840-5831-8904 1 canceled
A method for manufacturing graphene oxide, comprising: adding graphite to a solution with an oxidizer to oxidize the graphite so that a dispersion solution containing graphite oxide is formed; adding a pH adjuster to the dispersion solution so that pH of the dispersion solution becomes 6 to 8; performing a first electrodialysis to remove cations and anions from the dispersion solution; performing a second electrodialysis to remove cations from the dispersion solution; and performing an ultrasonic treatment on graphite oxide obtained by the first electrodialysis and the second electrodialysis so that graphene oxide is formed, wherein a bipolar membrane is used in the second electrodialysis.
A method for manufacturing graphene, comprising reducing graphene oxide obtained by the method according to claim 9.
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canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
The method for manufacturing graphene oxide, is lithium hydroxide or ammonium hydroxide.
. canceled
The method for manufacturing graphene oxide, exchange membrane and an anion exchange wherein a second cation exchange membrane and second electrodialysis.
The method for manufacturing graphite oxide, comprises potassium permanganate. 4840-5831-8904
canceled
The method for manufacturing graphene oxide, comprises potassium permanganate.
Materials described outside the worked examples.
graphite
C
graphite oxide
Additional fabrication and treatment steps described in the patent.
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
Method of manufacturing graphene composite including ultrasonic-wave pulverization post-treatment process and method of manufacturing active material using the same
Patent
Atlas literature
Patent
US 9,573,813Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. An electrodialysis apparatus used in this embodiment includes an anode 121, a cathode 122, an anion exchange membrane 123, a first bipolar membrane 25 …
FIG. 2. The hydroxide ion released into the purified solution tube 115 is, on the other hand, bonded to the hydrogen ion in the purified solution tube 115, …
FIG. 3) includes a bipolar membrane 173 instead of the anion exchange membrane 163 in the 5 electrodialysis apparatus shown in
FIG. 4C. An apparatus for the electrodialysis described in this embodiment can be constructed based on FIG 4C, as in
FIG. 5A. A voltage is applied between the anode 131 and the cathode 132. [0063] A chlorine ion (C l-) and a cation (M *) contained in the solution flowing 5 …
FIG. 6A. A 30 voltage is applied between the anode 161 and the cathode 162. A chlorine ion (C l-) and a cation (M *) contained in the solution flowing through …
FIGS. 7A and 7 B illustrate an example of a secondary battery; 10
FIG. 8 illustrates the case where the power storage device 414 is provided inside a ceiling 415 on which the housing 412 and the light source 413 are …
FIG. 9. With the use of the secondary battery according to one embodiment of the present invention in the RF power feeding system, the amount of power storage …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-2. canceled
canceled
A method for manufacturing graphite oxide, comprising: adding graphite to a solution with an oxidizer to oxidize the graphite so that a dispersion solution containing graphite oxide is formed; adding a pH adjuster to the dispersion solution so that pH of the dispersion solution becomes 6 to 8; performing a first electrodialysis to remove cations and anions from the dispersion solution; and performing a second electrodialysis to remove cations from the dispersion solution, wherein a bipolar membrane is used in the second electrodialysis.
The method for manufacturing graphite oxide, according to claim 3, wherein the pH adjuster is lithium hydroxide or ammonium hydroxide.
The method for manufacturing graphite oxide, according to claim 3, wherein a first cation exchange membrane and an anion exchange membrane are used in the first electrodialysis, and wherein a second cation exchange membrane and [[a]] the bipolar membrane are used in the second electrodialysis.
4840-5831-8904 1 canceled according to claim 9, wherein the pH adjuster according to claim 9, wherein a first cation membrane are used in the first electrodialysis, and [[a]] the bipolar membrane are used in the according to claim 3, wherein the oxidizer according t claim 9, wherein the oxidizer
. canceled
7-8.. canceled
4840-5831-8904 1 canceled
A method for manufacturing graphene oxide, comprising: adding graphite to a solution with an oxidizer to oxidize the graphite so that a dispersion solution containing graphite oxide is formed; adding a pH adjuster to the dispersion solution so that pH of the dispersion solution becomes 6 to 8; performing a first electrodialysis to remove cations and anions from the dispersion solution; performing a second electrodialysis to remove cations from the dispersion solution; and performing an ultrasonic treatment on graphite oxide obtained by the first electrodialysis and the second electrodialysis so that graphene oxide is formed, wherein a bipolar membrane is used in the second electrodialysis.
A method for manufacturing graphene, comprising reducing graphene oxide obtained by the method according to claim 9.
11-21.. canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
The method for manufacturing graphene oxide, is lithium hydroxide or ammonium hydroxide.
. canceled
The method for manufacturing graphene oxide, exchange membrane and an anion exchange wherein a second cation exchange membrane and second electrodialysis.
The method for manufacturing graphite oxide, comprises potassium permanganate. 4840-5831-8904
canceled
The method for manufacturing graphene oxide, comprises potassium permanganate.
Materials described outside the worked examples.
graphite
C
graphite oxide
Additional fabrication and treatment steps described in the patent.
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
Method of manufacturing graphene composite including ultrasonic-wave pulverization post-treatment process and method of manufacturing active material using the same
lithium hydroxide
LiOH
ammonium hydroxide
NH₄OH
graphene oxide
potassium permanganate
KMnO₄
sulfuric acid
H₂SO₄
hydrochloric acid
HCl
lithium hydroxide
LiOH
ammonium hydroxide
NH₄OH
graphene oxide
potassium permanganate
KMnO₄
sulfuric acid
H₂SO₄
hydrochloric acid
HCl
lithium hydroxide
LiOH
ammonium hydroxide
NH₄OH
graphene oxide
potassium permanganate
KMnO₄
sulfuric acid
H₂SO₄
hydrochloric acid
HCl
lithium hydroxide
LiOH
ammonium hydroxide
NH₄OH
graphene oxide
potassium permanganate
KMnO₄
sulfuric acid
H₂SO₄
hydrochloric acid
HCl