Patent
Atlas literature
Patent
US 10,971,727Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 13: Schematic il l ustra ti on of graphene sheets formed with nanopores that can function as ion transport pathways between neighboring layers of graphene sheets to accelerate ion transport. [0022 1 Fi g ure 2: Schematic of a LIB according to an embodiment of this disclosure. 10023 1
Figure 3: a) Images of graphene hydrogel (GH) and graphene aero gel (GA). b) Scanning electron microscopy (S E M) images of interior m icrostructures of GA with a high-magnification image shown in the inset. c) X-ray diffraction (XR D) patterns of GH and GA. d) Specific s u rface areas of G H and GA …
Figure 4: a) Schematic of solvent exchange for preparation of SGFs (top) and images of SGFs in various organic solvents (bottom). b) XRD patterns of SGFs. [0025 1
Figure 5: a) Preparation of a binder-free SGF electrode. A piece of SGF (left), a pressed film electrode on copper foil placed in a coin cell case (middle), a n d SEM image of a cross-section of the pressed SGF film (right). b) Galvanostatic c h arge/discharge profiles and c) cycle performance and …
Figure 6: a, b) Galvanostatic charge/discharge profiles of (a) SG F a nd (b) GA electrodes. c) R ate capabilities and cycle performance of SGF and GA electrodes obtained over a wide range of current densities from about 0. 2 to about 5.0 A g ' d) Nyqui st plots of S G F and GA electrodes. e) Cycling …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Figure 8: a) N 2 isothe r ms and b) Density f u nctional theory (D F T) pore-size distribution of GA. The results indicate that the GA has a B runauer-Emmett-Tel ler (BET) specific surface area of about 270 m 2/g and a micro- and mesoporosity. 1 0029 1
Figure 9: XR D patte r ns of SGFs before and afte r pressing. 1 0030 1
Figure 10: a) Galvanostatic charge/discharge profiles and b) the corresponding capa c ities of graphite electrode a t diffe r ent current densities.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A lithium-ion battery comprising: an anode comprising a solvated graphene framework film of interconnected graphene sheets, wherein the solvated graphene framework forms a 3-dimensional hierarchical network of pores formed between stacked and interconnected graphene sheets, and wherein the basal planes of the graphene sheets comprise nanopores; a cathode; and an electrolyte disposed between the anode and the cathode and including lithium ions, wherein the solvated graphene framework of the anode is infiltrated by the electrolyte, and wherein the solvated graphene framework film has a specific surface area of 600 m 2 g- 1 or more. Currently amended
The lithium-ion battery of claim 1, wherein the specific surface area of the solvated graphene framework film is 900 m 2 g- 1 or more. Previously presented
The lithium-ion battery of claim 1, wherein the solvated graphene framework film has a packing density of 0.3 g cm- 3 or more. Previously presented
The lithium-ion battery of claim 1, wherein at least one of the nanopores has a size in the range of 1 nm to 100 nm. Previously presented
The lithium-ion battery of claim 1, wherein the anode further includes an electrochemically active material incorporated in the solvated graphene framework film. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a discharge or charge capacity when cycled at a current density of about 0.1 A g -' for 30 cycles of at least about 500 mAh g 1. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a discharge or charge capacity, when cycled at a current density of about 5.0 A g-1 for 30 cycles of at least about 150 mAh g 1. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a capacity retention over 500 charge/discharge cycles of at least about 50 %. Previously presented
The lithium-ion battery of claim 1, wherein the solvated graphene framework film has an electrical conductivity of at least about 500 S m-1. Previously presented
The lithium-ion battery of claim 1, wherein the pores of the solvated graphene framework film form [[s]] a hierarchical porous structure that forms a continuous network of open channels for ion transport. Currently amended
The lithium-ion battery of claim 1, wherein the electrolyte comprises a lithium salt dispersed in an organic solvent. Previously presented
The lithium-ion battery of claim 1, wherein sheets have a diameter of about 5 nm to about the pores between the interconnected graphene pm. New
Canceled
A method of forming an electrode for a lithium-ion battery, comprising: forming a graphene hydrogel; and exchanging water of the graphene hydrogel with an electrolyte including lithium ions to form a solvated graphene framework. Withdrawn
The method of claim 7, where forming the graphene hydrogel includes heating an aqueous dispersion of graphene oxide under reducing conditions to yield reduction of graphene oxide to graphene and self-assembly of graphene into the graphene hydrogel. Withdrawn
The method of claim 7, wherein exchanging water of the graphene hydrogel includes immersing the graphene hydrogel in the electrolyte. Withdrawn
The method of claim 7, wherein exchanging water of the graphene hydrogel includes: exchanging water of the graphene hydrogel with a hydrophilic liquid; and exchanging the hydrophilic liquid with the electrolyte. Withdrawn
The method of claim 7, further comprising mechanically compressing the solvated graphene framework against a current collector. Withdrawn
The method of claim 7, wherein the electrolyte includes a lithium salt dispersed in an organic solvent. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
lithium-ion battery
Materials described outside the worked examples.
solvated graphene framework
electrolyte including lithium ions
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 3: a) Images of graphene hydrogel (GH) and graphene aero gel (GA). b) Scanning electron microscopy (S E M) images of interior m icrostructures of GA with a high-magnification image shown in the inset. c) X-ray diffraction (XR D) patterns of GH and GA. d) Specific s u rface areas of G H and GA …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Specific Surface Area | ≥ 600 m2 g-1 | solvated graphene framework |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,971,727Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 13: Schematic il l ustra ti on of graphene sheets formed with nanopores that can function as ion transport pathways between neighboring layers of graphene sheets to accelerate ion transport. [0022 1 Fi g ure 2: Schematic of a LIB according to an embodiment of this disclosure. 10023 1
Figure 3: a) Images of graphene hydrogel (GH) and graphene aero gel (GA). b) Scanning electron microscopy (S E M) images of interior m icrostructures of GA with a high-magnification image shown in the inset. c) X-ray diffraction (XR D) patterns of GH and GA. d) Specific s u rface areas of G H and GA …
Figure 4: a) Schematic of solvent exchange for preparation of SGFs (top) and images of SGFs in various organic solvents (bottom). b) XRD patterns of SGFs. [0025 1
Figure 5: a) Preparation of a binder-free SGF electrode. A piece of SGF (left), a pressed film electrode on copper foil placed in a coin cell case (middle), a n d SEM image of a cross-section of the pressed SGF film (right). b) Galvanostatic c h arge/discharge profiles and c) cycle performance and …
Figure 6: a, b) Galvanostatic charge/discharge profiles of (a) SG F a nd (b) GA electrodes. c) R ate capabilities and cycle performance of SGF and GA electrodes obtained over a wide range of current densities from about 0. 2 to about 5.0 A g ' d) Nyqui st plots of S G F and GA electrodes. e) Cycling …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Figure 8: a) N 2 isothe r ms and b) Density f u nctional theory (D F T) pore-size distribution of GA. The results indicate that the GA has a B runauer-Emmett-Tel ler (BET) specific surface area of about 270 m 2/g and a micro- and mesoporosity. 1 0029 1
Figure 9: XR D patte r ns of SGFs before and afte r pressing. 1 0030 1
Figure 10: a) Galvanostatic charge/discharge profiles and b) the corresponding capa c ities of graphite electrode a t diffe r ent current densities.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A lithium-ion battery comprising: an anode comprising a solvated graphene framework film of interconnected graphene sheets, wherein the solvated graphene framework forms a 3-dimensional hierarchical network of pores formed between stacked and interconnected graphene sheets, and wherein the basal planes of the graphene sheets comprise nanopores; a cathode; and an electrolyte disposed between the anode and the cathode and including lithium ions, wherein the solvated graphene framework of the anode is infiltrated by the electrolyte, and wherein the solvated graphene framework film has a specific surface area of 600 m 2 g- 1 or more. Currently amended
The lithium-ion battery of claim 1, wherein the specific surface area of the solvated graphene framework film is 900 m 2 g- 1 or more. Previously presented
The lithium-ion battery of claim 1, wherein the solvated graphene framework film has a packing density of 0.3 g cm- 3 or more. Previously presented
The lithium-ion battery of claim 1, wherein at least one of the nanopores has a size in the range of 1 nm to 100 nm. Previously presented
The lithium-ion battery of claim 1, wherein the anode further includes an electrochemically active material incorporated in the solvated graphene framework film. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a discharge or charge capacity when cycled at a current density of about 0.1 A g -' for 30 cycles of at least about 500 mAh g 1. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a discharge or charge capacity, when cycled at a current density of about 5.0 A g-1 for 30 cycles of at least about 150 mAh g 1. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a capacity retention over 500 charge/discharge cycles of at least about 50 %. Previously presented
The lithium-ion battery of claim 1, wherein the solvated graphene framework film has an electrical conductivity of at least about 500 S m-1. Previously presented
The lithium-ion battery of claim 1, wherein the pores of the solvated graphene framework film form [[s]] a hierarchical porous structure that forms a continuous network of open channels for ion transport. Currently amended
The lithium-ion battery of claim 1, wherein the electrolyte comprises a lithium salt dispersed in an organic solvent. Previously presented
The lithium-ion battery of claim 1, wherein sheets have a diameter of about 5 nm to about the pores between the interconnected graphene pm. New
Canceled
A method of forming an electrode for a lithium-ion battery, comprising: forming a graphene hydrogel; and exchanging water of the graphene hydrogel with an electrolyte including lithium ions to form a solvated graphene framework. Withdrawn
The method of claim 7, where forming the graphene hydrogel includes heating an aqueous dispersion of graphene oxide under reducing conditions to yield reduction of graphene oxide to graphene and self-assembly of graphene into the graphene hydrogel. Withdrawn
The method of claim 7, wherein exchanging water of the graphene hydrogel includes immersing the graphene hydrogel in the electrolyte. Withdrawn
The method of claim 7, wherein exchanging water of the graphene hydrogel includes: exchanging water of the graphene hydrogel with a hydrophilic liquid; and exchanging the hydrophilic liquid with the electrolyte. Withdrawn
The method of claim 7, further comprising mechanically compressing the solvated graphene framework against a current collector. Withdrawn
The method of claim 7, wherein the electrolyte includes a lithium salt dispersed in an organic solvent. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
lithium-ion battery
Materials described outside the worked examples.
solvated graphene framework
electrolyte including lithium ions
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 3: a) Images of graphene hydrogel (GH) and graphene aero gel (GA). b) Scanning electron microscopy (S E M) images of interior m icrostructures of GA with a high-magnification image shown in the inset. c) X-ray diffraction (XR D) patterns of GH and GA. d) Specific s u rface areas of G H and GA …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Specific Surface Area | ≥ 600 m2 g-1 | solvated graphene framework |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,971,727Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 13: Schematic il l ustra ti on of graphene sheets formed with nanopores that can function as ion transport pathways between neighboring layers of graphene sheets to accelerate ion transport. [0022 1 Fi g ure 2: Schematic of a LIB according to an embodiment of this disclosure. 10023 1
Figure 3: a) Images of graphene hydrogel (GH) and graphene aero gel (GA). b) Scanning electron microscopy (S E M) images of interior m icrostructures of GA with a high-magnification image shown in the inset. c) X-ray diffraction (XR D) patterns of GH and GA. d) Specific s u rface areas of G H and GA …
Figure 4: a) Schematic of solvent exchange for preparation of SGFs (top) and images of SGFs in various organic solvents (bottom). b) XRD patterns of SGFs. [0025 1
Figure 5: a) Preparation of a binder-free SGF electrode. A piece of SGF (left), a pressed film electrode on copper foil placed in a coin cell case (middle), a n d SEM image of a cross-section of the pressed SGF film (right). b) Galvanostatic c h arge/discharge profiles and c) cycle performance and …
Figure 6: a, b) Galvanostatic charge/discharge profiles of (a) SG F a nd (b) GA electrodes. c) R ate capabilities and cycle performance of SGF and GA electrodes obtained over a wide range of current densities from about 0. 2 to about 5.0 A g ' d) Nyqui st plots of S G F and GA electrodes. e) Cycling …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Figure 8: a) N 2 isothe r ms and b) Density f u nctional theory (D F T) pore-size distribution of GA. The results indicate that the GA has a B runauer-Emmett-Tel ler (BET) specific surface area of about 270 m 2/g and a micro- and mesoporosity. 1 0029 1
Figure 9: XR D patte r ns of SGFs before and afte r pressing. 1 0030 1
Figure 10: a) Galvanostatic charge/discharge profiles and b) the corresponding capa c ities of graphite electrode a t diffe r ent current densities.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A lithium-ion battery comprising: an anode comprising a solvated graphene framework film of interconnected graphene sheets, wherein the solvated graphene framework forms a 3-dimensional hierarchical network of pores formed between stacked and interconnected graphene sheets, and wherein the basal planes of the graphene sheets comprise nanopores; a cathode; and an electrolyte disposed between the anode and the cathode and including lithium ions, wherein the solvated graphene framework of the anode is infiltrated by the electrolyte, and wherein the solvated graphene framework film has a specific surface area of 600 m 2 g- 1 or more. Currently amended
The lithium-ion battery of claim 1, wherein the specific surface area of the solvated graphene framework film is 900 m 2 g- 1 or more. Previously presented
The lithium-ion battery of claim 1, wherein the solvated graphene framework film has a packing density of 0.3 g cm- 3 or more. Previously presented
The lithium-ion battery of claim 1, wherein at least one of the nanopores has a size in the range of 1 nm to 100 nm. Previously presented
The lithium-ion battery of claim 1, wherein the anode further includes an electrochemically active material incorporated in the solvated graphene framework film. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a discharge or charge capacity when cycled at a current density of about 0.1 A g -' for 30 cycles of at least about 500 mAh g 1. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a discharge or charge capacity, when cycled at a current density of about 5.0 A g-1 for 30 cycles of at least about 150 mAh g 1. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a capacity retention over 500 charge/discharge cycles of at least about 50 %. Previously presented
The lithium-ion battery of claim 1, wherein the solvated graphene framework film has an electrical conductivity of at least about 500 S m-1. Previously presented
The lithium-ion battery of claim 1, wherein the pores of the solvated graphene framework film form [[s]] a hierarchical porous structure that forms a continuous network of open channels for ion transport. Currently amended
The lithium-ion battery of claim 1, wherein the electrolyte comprises a lithium salt dispersed in an organic solvent. Previously presented
The lithium-ion battery of claim 1, wherein sheets have a diameter of about 5 nm to about the pores between the interconnected graphene pm. New
Canceled
A method of forming an electrode for a lithium-ion battery, comprising: forming a graphene hydrogel; and exchanging water of the graphene hydrogel with an electrolyte including lithium ions to form a solvated graphene framework. Withdrawn
The method of claim 7, where forming the graphene hydrogel includes heating an aqueous dispersion of graphene oxide under reducing conditions to yield reduction of graphene oxide to graphene and self-assembly of graphene into the graphene hydrogel. Withdrawn
The method of claim 7, wherein exchanging water of the graphene hydrogel includes immersing the graphene hydrogel in the electrolyte. Withdrawn
The method of claim 7, wherein exchanging water of the graphene hydrogel includes: exchanging water of the graphene hydrogel with a hydrophilic liquid; and exchanging the hydrophilic liquid with the electrolyte. Withdrawn
The method of claim 7, further comprising mechanically compressing the solvated graphene framework against a current collector. Withdrawn
The method of claim 7, wherein the electrolyte includes a lithium salt dispersed in an organic solvent. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
lithium-ion battery
Materials described outside the worked examples.
solvated graphene framework
electrolyte including lithium ions
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 3: a) Images of graphene hydrogel (GH) and graphene aero gel (GA). b) Scanning electron microscopy (S E M) images of interior m icrostructures of GA with a high-magnification image shown in the inset. c) X-ray diffraction (XR D) patterns of GH and GA. d) Specific s u rface areas of G H and GA …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Specific Surface Area | ≥ 600 m2 g-1 | solvated graphene framework |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,971,727Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 13: Schematic il l ustra ti on of graphene sheets formed with nanopores that can function as ion transport pathways between neighboring layers of graphene sheets to accelerate ion transport. [0022 1 Fi g ure 2: Schematic of a LIB according to an embodiment of this disclosure. 10023 1
Figure 3: a) Images of graphene hydrogel (GH) and graphene aero gel (GA). b) Scanning electron microscopy (S E M) images of interior m icrostructures of GA with a high-magnification image shown in the inset. c) X-ray diffraction (XR D) patterns of GH and GA. d) Specific s u rface areas of G H and GA …
Figure 4: a) Schematic of solvent exchange for preparation of SGFs (top) and images of SGFs in various organic solvents (bottom). b) XRD patterns of SGFs. [0025 1
Figure 5: a) Preparation of a binder-free SGF electrode. A piece of SGF (left), a pressed film electrode on copper foil placed in a coin cell case (middle), a n d SEM image of a cross-section of the pressed SGF film (right). b) Galvanostatic c h arge/discharge profiles and c) cycle performance and …
Figure 6: a, b) Galvanostatic charge/discharge profiles of (a) SG F a nd (b) GA electrodes. c) R ate capabilities and cycle performance of SGF and GA electrodes obtained over a wide range of current densities from about 0. 2 to about 5.0 A g ' d) Nyqui st plots of S G F and GA electrodes. e) Cycling …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Figure 8: a) N 2 isothe r ms and b) Density f u nctional theory (D F T) pore-size distribution of GA. The results indicate that the GA has a B runauer-Emmett-Tel ler (BET) specific surface area of about 270 m 2/g and a micro- and mesoporosity. 1 0029 1
Figure 9: XR D patte r ns of SGFs before and afte r pressing. 1 0030 1
Figure 10: a) Galvanostatic charge/discharge profiles and b) the corresponding capa c ities of graphite electrode a t diffe r ent current densities.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A lithium-ion battery comprising: an anode comprising a solvated graphene framework film of interconnected graphene sheets, wherein the solvated graphene framework forms a 3-dimensional hierarchical network of pores formed between stacked and interconnected graphene sheets, and wherein the basal planes of the graphene sheets comprise nanopores; a cathode; and an electrolyte disposed between the anode and the cathode and including lithium ions, wherein the solvated graphene framework of the anode is infiltrated by the electrolyte, and wherein the solvated graphene framework film has a specific surface area of 600 m 2 g- 1 or more. Currently amended
The lithium-ion battery of claim 1, wherein the specific surface area of the solvated graphene framework film is 900 m 2 g- 1 or more. Previously presented
The lithium-ion battery of claim 1, wherein the solvated graphene framework film has a packing density of 0.3 g cm- 3 or more. Previously presented
The lithium-ion battery of claim 1, wherein at least one of the nanopores has a size in the range of 1 nm to 100 nm. Previously presented
The lithium-ion battery of claim 1, wherein the anode further includes an electrochemically active material incorporated in the solvated graphene framework film. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a discharge or charge capacity when cycled at a current density of about 0.1 A g -' for 30 cycles of at least about 500 mAh g 1. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a discharge or charge capacity, when cycled at a current density of about 5.0 A g-1 for 30 cycles of at least about 150 mAh g 1. Previously presented
The lithium-ion battery of claim 1, wherein the anode has a capacity retention over 500 charge/discharge cycles of at least about 50 %. Previously presented
The lithium-ion battery of claim 1, wherein the solvated graphene framework film has an electrical conductivity of at least about 500 S m-1. Previously presented
The lithium-ion battery of claim 1, wherein the pores of the solvated graphene framework film form [[s]] a hierarchical porous structure that forms a continuous network of open channels for ion transport. Currently amended
The lithium-ion battery of claim 1, wherein the electrolyte comprises a lithium salt dispersed in an organic solvent. Previously presented
The lithium-ion battery of claim 1, wherein sheets have a diameter of about 5 nm to about the pores between the interconnected graphene pm. New
Canceled
A method of forming an electrode for a lithium-ion battery, comprising: forming a graphene hydrogel; and exchanging water of the graphene hydrogel with an electrolyte including lithium ions to form a solvated graphene framework. Withdrawn
The method of claim 7, where forming the graphene hydrogel includes heating an aqueous dispersion of graphene oxide under reducing conditions to yield reduction of graphene oxide to graphene and self-assembly of graphene into the graphene hydrogel. Withdrawn
The method of claim 7, wherein exchanging water of the graphene hydrogel includes immersing the graphene hydrogel in the electrolyte. Withdrawn
The method of claim 7, wherein exchanging water of the graphene hydrogel includes: exchanging water of the graphene hydrogel with a hydrophilic liquid; and exchanging the hydrophilic liquid with the electrolyte. Withdrawn
The method of claim 7, further comprising mechanically compressing the solvated graphene framework against a current collector. Withdrawn
The method of claim 7, wherein the electrolyte includes a lithium salt dispersed in an organic solvent. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
lithium-ion battery
Materials described outside the worked examples.
solvated graphene framework
electrolyte including lithium ions
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 3: a) Images of graphene hydrogel (GH) and graphene aero gel (GA). b) Scanning electron microscopy (S E M) images of interior m icrostructures of GA with a high-magnification image shown in the inset. c) X-ray diffraction (XR D) patterns of GH and GA. d) Specific s u rface areas of G H and GA …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Specific Surface Area | ≥ 600 m2 g-1 | solvated graphene framework |
Related documents with shared materials, methods, properties, or citations.
electrochemically active material
graphene hydrogel
graphene oxide
lithium salt (lithium hexafluorophosphate, lithium tetrafluoroborate, or lithium perchlorate)
Figure 4: a) Schematic of solvent exchange for preparation of SGFs (top) and images of SGFs in various organic solvents (bottom). b) XRD patterns of SGFs. [0025 1
Figure 5: a) Preparation of a binder-free SGF electrode. A piece of SGF (left), a pressed film electrode on copper foil placed in a coin cell case (middle), a n d SEM image of a cross-section of the pressed SGF film (right). b) Galvanostatic c h arge/discharge profiles and c) cycle performance and …
Figure 6: a, b) Galvanostatic charge/discharge profiles of (a) SG F a nd (b) GA electrodes. c) R ate capabilities and cycle performance of SGF and GA electrodes obtained over a wide range of current densities from about 0. 2 to about 5.0 A g ' d) Nyqui st plots of S G F and GA electrodes. e) Cycling …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Specific Surface Area |
| ≥ 900 m2 g-1 |
solvated graphene framework |
Packing Density | ≥ 0.3 g cm⁻³ | solvated graphene framework |
electrical_conductivity | ≥ 500 S m-1 | solvated graphene framework |
Discharge Charge Capacity At 0.1 A G-1 30 Cycles | ≥ 500 mAh g-1 | solvated graphene framework |
Discharge Charge Capacity At 5.0 A G-1 30 Cycles | ≥ 150 mAh g-1 | solvated graphene framework |
Capacity Retention 500 Cycles | ≥ 50 % | solvated graphene framework |
Voltage | 0.01–3 V | — |
Thickness | 1–100 nm | — |
Duration | 1–10 hours | — |
Temperature | 40–150 °C | — |
Voltage | ≤ 0.5 V | — |
INTERLAYER DISTANCE CONTROLLED GRAPHENE, SUPERCAPACITOR AND METHOD OF PRODUCING THE SAME
electrochemically active material
graphene hydrogel
graphene oxide
lithium salt (lithium hexafluorophosphate, lithium tetrafluoroborate, or lithium perchlorate)
Figure 4: a) Schematic of solvent exchange for preparation of SGFs (top) and images of SGFs in various organic solvents (bottom). b) XRD patterns of SGFs. [0025 1
Figure 5: a) Preparation of a binder-free SGF electrode. A piece of SGF (left), a pressed film electrode on copper foil placed in a coin cell case (middle), a n d SEM image of a cross-section of the pressed SGF film (right). b) Galvanostatic c h arge/discharge profiles and c) cycle performance and …
Figure 6: a, b) Galvanostatic charge/discharge profiles of (a) SG F a nd (b) GA electrodes. c) R ate capabilities and cycle performance of SGF and GA electrodes obtained over a wide range of current densities from about 0. 2 to about 5.0 A g ' d) Nyqui st plots of S G F and GA electrodes. e) Cycling …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Specific Surface Area |
| ≥ 900 m2 g-1 |
solvated graphene framework |
Packing Density | ≥ 0.3 g cm⁻³ | solvated graphene framework |
electrical_conductivity | ≥ 500 S m-1 | solvated graphene framework |
Discharge Charge Capacity At 0.1 A G-1 30 Cycles | ≥ 500 mAh g-1 | solvated graphene framework |
Discharge Charge Capacity At 5.0 A G-1 30 Cycles | ≥ 150 mAh g-1 | solvated graphene framework |
Capacity Retention 500 Cycles | ≥ 50 % | solvated graphene framework |
Voltage | 0.01–3 V | — |
Thickness | 1–100 nm | — |
Duration | 1–10 hours | — |
Temperature | 40–150 °C | — |
Voltage | ≤ 0.5 V | — |
INTERLAYER DISTANCE CONTROLLED GRAPHENE, SUPERCAPACITOR AND METHOD OF PRODUCING THE SAME
electrochemically active material
graphene hydrogel
graphene oxide
lithium salt (lithium hexafluorophosphate, lithium tetrafluoroborate, or lithium perchlorate)
Figure 4: a) Schematic of solvent exchange for preparation of SGFs (top) and images of SGFs in various organic solvents (bottom). b) XRD patterns of SGFs. [0025 1
Figure 5: a) Preparation of a binder-free SGF electrode. A piece of SGF (left), a pressed film electrode on copper foil placed in a coin cell case (middle), a n d SEM image of a cross-section of the pressed SGF film (right). b) Galvanostatic c h arge/discharge profiles and c) cycle performance and …
Figure 6: a, b) Galvanostatic charge/discharge profiles of (a) SG F a nd (b) GA electrodes. c) R ate capabilities and cycle performance of SGF and GA electrodes obtained over a wide range of current densities from about 0. 2 to about 5.0 A g ' d) Nyqui st plots of S G F and GA electrodes. e) Cycling …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Specific Surface Area |
| ≥ 900 m2 g-1 |
solvated graphene framework |
Packing Density | ≥ 0.3 g cm⁻³ | solvated graphene framework |
electrical_conductivity | ≥ 500 S m-1 | solvated graphene framework |
Discharge Charge Capacity At 0.1 A G-1 30 Cycles | ≥ 500 mAh g-1 | solvated graphene framework |
Discharge Charge Capacity At 5.0 A G-1 30 Cycles | ≥ 150 mAh g-1 | solvated graphene framework |
Capacity Retention 500 Cycles | ≥ 50 % | solvated graphene framework |
Voltage | 0.01–3 V | — |
Thickness | 1–100 nm | — |
Duration | 1–10 hours | — |
Temperature | 40–150 °C | — |
Voltage | ≤ 0.5 V | — |
INTERLAYER DISTANCE CONTROLLED GRAPHENE, SUPERCAPACITOR AND METHOD OF PRODUCING THE SAME
electrochemically active material
graphene hydrogel
graphene oxide
lithium salt (lithium hexafluorophosphate, lithium tetrafluoroborate, or lithium perchlorate)
Figure 4: a) Schematic of solvent exchange for preparation of SGFs (top) and images of SGFs in various organic solvents (bottom). b) XRD patterns of SGFs. [0025 1
Figure 5: a) Preparation of a binder-free SGF electrode. A piece of SGF (left), a pressed film electrode on copper foil placed in a coin cell case (middle), a n d SEM image of a cross-section of the pressed SGF film (right). b) Galvanostatic c h arge/discharge profiles and c) cycle performance and …
Figure 6: a, b) Galvanostatic charge/discharge profiles of (a) SG F a nd (b) GA electrodes. c) R ate capabilities and cycle performance of SGF and GA electrodes obtained over a wide range of current densities from about 0. 2 to about 5.0 A g ' d) Nyqui st plots of S G F and GA electrodes. e) Cycling …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Figure 7: a) Raman spectra of grap h ene oxide (G O) and GA. The significant increase in the intensity ratio of D peak to G peak indicates an efficient de- oxygenation of GO during the synthesis of GI. b) X-ray photoelectron spect r oscopy (XPS) results of GO and G A, further confirming significant …
Specific Surface Area |
| ≥ 900 m2 g-1 |
solvated graphene framework |
Packing Density | ≥ 0.3 g cm⁻³ | solvated graphene framework |
electrical_conductivity | ≥ 500 S m-1 | solvated graphene framework |
Discharge Charge Capacity At 0.1 A G-1 30 Cycles | ≥ 500 mAh g-1 | solvated graphene framework |
Discharge Charge Capacity At 5.0 A G-1 30 Cycles | ≥ 150 mAh g-1 | solvated graphene framework |
Capacity Retention 500 Cycles | ≥ 50 % | solvated graphene framework |
Voltage | 0.01–3 V | — |
Thickness | 1–100 nm | — |
Duration | 1–10 hours | — |
Temperature | 40–150 °C | — |
Voltage | ≤ 0.5 V | — |
INTERLAYER DISTANCE CONTROLLED GRAPHENE, SUPERCAPACITOR AND METHOD OF PRODUCING THE SAME
