Patent
US 10,068,716GRAPHENE-IONIC LIQUID COMPOSITES
Ilhan A. AKSAY
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,068,716Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 is a plot showing the specific capacitance of coassembled and thermally reduced 15 composites of graphene oxide with varying amounts of the ionic liquid 1 -ethyl-2-methylimidazolium tetrafluoroborate.
Figure 2 is a plot showing equivalent surface resistance of coassembled and thermally reduced composites of graphene oxide with varying amounts of the ionic liquid 1 -ethyl-2-methylimidazolium tetrafluoroborate.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-17. Canceled
Canceled
A method of making a graphene-ionic liquid composite: combining fully exfoliated single sheets of graphite and at least one ionic liquid; coating the combination onto a substrate and heating the combination at a temperature of 200 0 C to 450 0 C; wherein the at least one ionic liquid comprises 1-ethyl-2-methylimidazolium tetrafluoroborate; and wherein the fully exfoliated single sheets of graphite are approximately 1 nm thick; and have a X-ray diffraction pattern that displays no signature corresponding to graphite or graphite oxide. Previously presented
The method of claim 18, wherein the at least one ionic liquid further comprises a member selected from the group consisting of 1-alkyl-3- methylimidazoliumtetrafluoroborates, 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF 6]), 1-butyl-3-methylimidazolium hydroxide ([bmim] OH), 1-ethyl-3- methylimidazolium dicyanamide, 1-butyl-3-methylimidazolium chloride, 1-butyl-3-methylimidazolium hexafluorophosphate, trioctylmethylammonium bis(trifluoromethyl- sulfonyl)imide, 1-butyl-3-methylimidazolium chloride, 2-Hydroxyethylammonium formate, 1,3-dialkyl- 1,2,3-triazolium hexafluorophosphates, 1,3-dialkyl-1,2,3-triazolium bistriflimides, 1,3-dialkylimidazolium hexafluorophosphates, 1,3-dialkyl- 1,2,3-triazolium bistriflimides, triethylsulfonium bis(trifluoromethylsulfonyl)imide, bis(pentafluoroethylsulfonyl)imide, 1-butyl- 1 -methylpiperidinium tetrafluoroborate, choline acetate, 1-butyl- 1 -methylpiperidinium hexafluorophosphate, 4-ethyl-4-methylmorpholinium methyl carbonate 1-ethyl- i -methylpiperidinium methyl carbonate, triethylsulfonium bis(trifluoromethylsulfonyl)imide, 2-hydroxyethylammonium formate. Previously presented
The method of claim 18, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent, wherein the at least one solvent comprises an organic solvent. Previously presented
The method of claim 18, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent and the at least one ionic liquid is present in the composite at 70 wt% or more, based on the total weight of the ionic liquid and graphene source. Previously presented
The method of claim 18, wherein the combination is applied to a substrate by a casting method or a printing method, prior to heating. Previously presented
The method of claim 18, wherein the composite comprises no more that about 0.1 wt % solvent after heating. Previously presented
A method for making an electrode comprising: combining fully exfoliated single sheets of graphite and at least one ionic liquid; coating the combination onto a substrate and heating the combination at a temperature of 200 0 C to 450 0 C; wherein the at least one ionic liquid comprises 1-ethyl-2-methylimidazolium tetrafluoroborate; and wherein the fully exfoliated single sheets of graphite are approximately < 1 nm thick; and have a X-ray diffraction pattern that displays no signature corresponding to graphite or graphite oxide. Previously presented
The method of claim 25, wherein the at least one ionic liquid further comprises a member selected from the group consisting of 1-alkyl-3- methylimidazoliumtetrafluoroborates, 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF 6]), 1-butyl-3-methylimidazolium hydroxide ([bmim] OH), 1-ethyl-3- methylimidazolium dicyanamide, 1-butyl-3-methylimidazolium chloride, 1-butyl-3-methylimidazolium hexafluorophosphate, trioctylmethylammonium bis(trifluoromethyl- sulfonyl)imide, 1-butyl-3-methylimidazolium chloride, 2-Hydroxyethylammonium formate, 1,3-dialkyl- 1,2,3-triazolium hexafluorophosphates, 1,3-dialkyl-1,2,3-triazolium bistriflimides, 1,3-dialkylimidazolium hexafluorophosphates, 1,3-dialkyl- 1,2,3-triazolium bistriflimides, triethylsulfonium bis(trifluoromethylsulfonyl)imide, bis(pentafluoroethylsulfonyl)imide, 1-butyl- 1 -methylpiperidinium tetrafluoroborate, choline acetate, 1-butyl- 1 -methylpiperidinium hexafluorophosphate, 4-ethyl-4-methylmorpholinium methyl carbonate 1-ethyl- i -methylpiperidinium methyl carbonate, triethylsulfonium bis(trifluoromethylsulfonyl)imide, 2-hydroxyethylammonium formate. Previously presented
The method of claim 25, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent, wherein the at least one solvent comprises an organic solvent. Previously presented
The method of claim 25, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent and the at least one ionic liquid is present in the composite at 70 wt% or more, based on the total weight of the ionic liquid and graphene source. Previously presented
The method of claim 25, wherein the substrate is a metal. Previously presented
The method of claim 25, wherein the substrate is a current collector. Previously presented
The method of claim 25, wherein the coating of the combination onto the substrate comprises a casting method and/or a printing method. Previously presented
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-ionic liquid composite
electrode for energy storage device (supercapacitor/battery)
Materials described outside the worked examples.
fully exfoliated single sheets of graphite (graphene)
1-ethyl-2-methylimidazolium tetrafluoroborate
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Specific Capacitance | 140 F/g | — |
Equivalent Series Resistance | 48 Ohm | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,068,716Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 is a plot showing the specific capacitance of coassembled and thermally reduced 15 composites of graphene oxide with varying amounts of the ionic liquid 1 -ethyl-2-methylimidazolium tetrafluoroborate.
Figure 2 is a plot showing equivalent surface resistance of coassembled and thermally reduced composites of graphene oxide with varying amounts of the ionic liquid 1 -ethyl-2-methylimidazolium tetrafluoroborate.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-17. Canceled
Canceled
A method of making a graphene-ionic liquid composite: combining fully exfoliated single sheets of graphite and at least one ionic liquid; coating the combination onto a substrate and heating the combination at a temperature of 200 0 C to 450 0 C; wherein the at least one ionic liquid comprises 1-ethyl-2-methylimidazolium tetrafluoroborate; and wherein the fully exfoliated single sheets of graphite are approximately 1 nm thick; and have a X-ray diffraction pattern that displays no signature corresponding to graphite or graphite oxide. Previously presented
The method of claim 18, wherein the at least one ionic liquid further comprises a member selected from the group consisting of 1-alkyl-3- methylimidazoliumtetrafluoroborates, 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF 6]), 1-butyl-3-methylimidazolium hydroxide ([bmim] OH), 1-ethyl-3- methylimidazolium dicyanamide, 1-butyl-3-methylimidazolium chloride, 1-butyl-3-methylimidazolium hexafluorophosphate, trioctylmethylammonium bis(trifluoromethyl- sulfonyl)imide, 1-butyl-3-methylimidazolium chloride, 2-Hydroxyethylammonium formate, 1,3-dialkyl- 1,2,3-triazolium hexafluorophosphates, 1,3-dialkyl-1,2,3-triazolium bistriflimides, 1,3-dialkylimidazolium hexafluorophosphates, 1,3-dialkyl- 1,2,3-triazolium bistriflimides, triethylsulfonium bis(trifluoromethylsulfonyl)imide, bis(pentafluoroethylsulfonyl)imide, 1-butyl- 1 -methylpiperidinium tetrafluoroborate, choline acetate, 1-butyl- 1 -methylpiperidinium hexafluorophosphate, 4-ethyl-4-methylmorpholinium methyl carbonate 1-ethyl- i -methylpiperidinium methyl carbonate, triethylsulfonium bis(trifluoromethylsulfonyl)imide, 2-hydroxyethylammonium formate. Previously presented
The method of claim 18, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent, wherein the at least one solvent comprises an organic solvent. Previously presented
The method of claim 18, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent and the at least one ionic liquid is present in the composite at 70 wt% or more, based on the total weight of the ionic liquid and graphene source. Previously presented
The method of claim 18, wherein the combination is applied to a substrate by a casting method or a printing method, prior to heating. Previously presented
The method of claim 18, wherein the composite comprises no more that about 0.1 wt % solvent after heating. Previously presented
A method for making an electrode comprising: combining fully exfoliated single sheets of graphite and at least one ionic liquid; coating the combination onto a substrate and heating the combination at a temperature of 200 0 C to 450 0 C; wherein the at least one ionic liquid comprises 1-ethyl-2-methylimidazolium tetrafluoroborate; and wherein the fully exfoliated single sheets of graphite are approximately < 1 nm thick; and have a X-ray diffraction pattern that displays no signature corresponding to graphite or graphite oxide. Previously presented
The method of claim 25, wherein the at least one ionic liquid further comprises a member selected from the group consisting of 1-alkyl-3- methylimidazoliumtetrafluoroborates, 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF 6]), 1-butyl-3-methylimidazolium hydroxide ([bmim] OH), 1-ethyl-3- methylimidazolium dicyanamide, 1-butyl-3-methylimidazolium chloride, 1-butyl-3-methylimidazolium hexafluorophosphate, trioctylmethylammonium bis(trifluoromethyl- sulfonyl)imide, 1-butyl-3-methylimidazolium chloride, 2-Hydroxyethylammonium formate, 1,3-dialkyl- 1,2,3-triazolium hexafluorophosphates, 1,3-dialkyl-1,2,3-triazolium bistriflimides, 1,3-dialkylimidazolium hexafluorophosphates, 1,3-dialkyl- 1,2,3-triazolium bistriflimides, triethylsulfonium bis(trifluoromethylsulfonyl)imide, bis(pentafluoroethylsulfonyl)imide, 1-butyl- 1 -methylpiperidinium tetrafluoroborate, choline acetate, 1-butyl- 1 -methylpiperidinium hexafluorophosphate, 4-ethyl-4-methylmorpholinium methyl carbonate 1-ethyl- i -methylpiperidinium methyl carbonate, triethylsulfonium bis(trifluoromethylsulfonyl)imide, 2-hydroxyethylammonium formate. Previously presented
The method of claim 25, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent, wherein the at least one solvent comprises an organic solvent. Previously presented
The method of claim 25, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent and the at least one ionic liquid is present in the composite at 70 wt% or more, based on the total weight of the ionic liquid and graphene source. Previously presented
The method of claim 25, wherein the substrate is a metal. Previously presented
The method of claim 25, wherein the substrate is a current collector. Previously presented
The method of claim 25, wherein the coating of the combination onto the substrate comprises a casting method and/or a printing method. Previously presented
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-ionic liquid composite
electrode for energy storage device (supercapacitor/battery)
Materials described outside the worked examples.
fully exfoliated single sheets of graphite (graphene)
1-ethyl-2-methylimidazolium tetrafluoroborate
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Specific Capacitance | 140 F/g | — |
Equivalent Series Resistance | 48 Ohm | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,068,716Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 is a plot showing the specific capacitance of coassembled and thermally reduced 15 composites of graphene oxide with varying amounts of the ionic liquid 1 -ethyl-2-methylimidazolium tetrafluoroborate.
Figure 2 is a plot showing equivalent surface resistance of coassembled and thermally reduced composites of graphene oxide with varying amounts of the ionic liquid 1 -ethyl-2-methylimidazolium tetrafluoroborate.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-17. Canceled
Canceled
A method of making a graphene-ionic liquid composite: combining fully exfoliated single sheets of graphite and at least one ionic liquid; coating the combination onto a substrate and heating the combination at a temperature of 200 0 C to 450 0 C; wherein the at least one ionic liquid comprises 1-ethyl-2-methylimidazolium tetrafluoroborate; and wherein the fully exfoliated single sheets of graphite are approximately 1 nm thick; and have a X-ray diffraction pattern that displays no signature corresponding to graphite or graphite oxide. Previously presented
The method of claim 18, wherein the at least one ionic liquid further comprises a member selected from the group consisting of 1-alkyl-3- methylimidazoliumtetrafluoroborates, 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF 6]), 1-butyl-3-methylimidazolium hydroxide ([bmim] OH), 1-ethyl-3- methylimidazolium dicyanamide, 1-butyl-3-methylimidazolium chloride, 1-butyl-3-methylimidazolium hexafluorophosphate, trioctylmethylammonium bis(trifluoromethyl- sulfonyl)imide, 1-butyl-3-methylimidazolium chloride, 2-Hydroxyethylammonium formate, 1,3-dialkyl- 1,2,3-triazolium hexafluorophosphates, 1,3-dialkyl-1,2,3-triazolium bistriflimides, 1,3-dialkylimidazolium hexafluorophosphates, 1,3-dialkyl- 1,2,3-triazolium bistriflimides, triethylsulfonium bis(trifluoromethylsulfonyl)imide, bis(pentafluoroethylsulfonyl)imide, 1-butyl- 1 -methylpiperidinium tetrafluoroborate, choline acetate, 1-butyl- 1 -methylpiperidinium hexafluorophosphate, 4-ethyl-4-methylmorpholinium methyl carbonate 1-ethyl- i -methylpiperidinium methyl carbonate, triethylsulfonium bis(trifluoromethylsulfonyl)imide, 2-hydroxyethylammonium formate. Previously presented
The method of claim 18, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent, wherein the at least one solvent comprises an organic solvent. Previously presented
The method of claim 18, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent and the at least one ionic liquid is present in the composite at 70 wt% or more, based on the total weight of the ionic liquid and graphene source. Previously presented
The method of claim 18, wherein the combination is applied to a substrate by a casting method or a printing method, prior to heating. Previously presented
The method of claim 18, wherein the composite comprises no more that about 0.1 wt % solvent after heating. Previously presented
A method for making an electrode comprising: combining fully exfoliated single sheets of graphite and at least one ionic liquid; coating the combination onto a substrate and heating the combination at a temperature of 200 0 C to 450 0 C; wherein the at least one ionic liquid comprises 1-ethyl-2-methylimidazolium tetrafluoroborate; and wherein the fully exfoliated single sheets of graphite are approximately < 1 nm thick; and have a X-ray diffraction pattern that displays no signature corresponding to graphite or graphite oxide. Previously presented
The method of claim 25, wherein the at least one ionic liquid further comprises a member selected from the group consisting of 1-alkyl-3- methylimidazoliumtetrafluoroborates, 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF 6]), 1-butyl-3-methylimidazolium hydroxide ([bmim] OH), 1-ethyl-3- methylimidazolium dicyanamide, 1-butyl-3-methylimidazolium chloride, 1-butyl-3-methylimidazolium hexafluorophosphate, trioctylmethylammonium bis(trifluoromethyl- sulfonyl)imide, 1-butyl-3-methylimidazolium chloride, 2-Hydroxyethylammonium formate, 1,3-dialkyl- 1,2,3-triazolium hexafluorophosphates, 1,3-dialkyl-1,2,3-triazolium bistriflimides, 1,3-dialkylimidazolium hexafluorophosphates, 1,3-dialkyl- 1,2,3-triazolium bistriflimides, triethylsulfonium bis(trifluoromethylsulfonyl)imide, bis(pentafluoroethylsulfonyl)imide, 1-butyl- 1 -methylpiperidinium tetrafluoroborate, choline acetate, 1-butyl- 1 -methylpiperidinium hexafluorophosphate, 4-ethyl-4-methylmorpholinium methyl carbonate 1-ethyl- i -methylpiperidinium methyl carbonate, triethylsulfonium bis(trifluoromethylsulfonyl)imide, 2-hydroxyethylammonium formate. Previously presented
The method of claim 25, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent, wherein the at least one solvent comprises an organic solvent. Previously presented
The method of claim 25, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent and the at least one ionic liquid is present in the composite at 70 wt% or more, based on the total weight of the ionic liquid and graphene source. Previously presented
The method of claim 25, wherein the substrate is a metal. Previously presented
The method of claim 25, wherein the substrate is a current collector. Previously presented
The method of claim 25, wherein the coating of the combination onto the substrate comprises a casting method and/or a printing method. Previously presented
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-ionic liquid composite
electrode for energy storage device (supercapacitor/battery)
Materials described outside the worked examples.
fully exfoliated single sheets of graphite (graphene)
1-ethyl-2-methylimidazolium tetrafluoroborate
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Specific Capacitance | 140 F/g | — |
Equivalent Series Resistance | 48 Ohm | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,068,716Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 is a plot showing the specific capacitance of coassembled and thermally reduced 15 composites of graphene oxide with varying amounts of the ionic liquid 1 -ethyl-2-methylimidazolium tetrafluoroborate.
Figure 2 is a plot showing equivalent surface resistance of coassembled and thermally reduced composites of graphene oxide with varying amounts of the ionic liquid 1 -ethyl-2-methylimidazolium tetrafluoroborate.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-17. Canceled
Canceled
A method of making a graphene-ionic liquid composite: combining fully exfoliated single sheets of graphite and at least one ionic liquid; coating the combination onto a substrate and heating the combination at a temperature of 200 0 C to 450 0 C; wherein the at least one ionic liquid comprises 1-ethyl-2-methylimidazolium tetrafluoroborate; and wherein the fully exfoliated single sheets of graphite are approximately 1 nm thick; and have a X-ray diffraction pattern that displays no signature corresponding to graphite or graphite oxide. Previously presented
The method of claim 18, wherein the at least one ionic liquid further comprises a member selected from the group consisting of 1-alkyl-3- methylimidazoliumtetrafluoroborates, 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF 6]), 1-butyl-3-methylimidazolium hydroxide ([bmim] OH), 1-ethyl-3- methylimidazolium dicyanamide, 1-butyl-3-methylimidazolium chloride, 1-butyl-3-methylimidazolium hexafluorophosphate, trioctylmethylammonium bis(trifluoromethyl- sulfonyl)imide, 1-butyl-3-methylimidazolium chloride, 2-Hydroxyethylammonium formate, 1,3-dialkyl- 1,2,3-triazolium hexafluorophosphates, 1,3-dialkyl-1,2,3-triazolium bistriflimides, 1,3-dialkylimidazolium hexafluorophosphates, 1,3-dialkyl- 1,2,3-triazolium bistriflimides, triethylsulfonium bis(trifluoromethylsulfonyl)imide, bis(pentafluoroethylsulfonyl)imide, 1-butyl- 1 -methylpiperidinium tetrafluoroborate, choline acetate, 1-butyl- 1 -methylpiperidinium hexafluorophosphate, 4-ethyl-4-methylmorpholinium methyl carbonate 1-ethyl- i -methylpiperidinium methyl carbonate, triethylsulfonium bis(trifluoromethylsulfonyl)imide, 2-hydroxyethylammonium formate. Previously presented
The method of claim 18, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent, wherein the at least one solvent comprises an organic solvent. Previously presented
The method of claim 18, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent and the at least one ionic liquid is present in the composite at 70 wt% or more, based on the total weight of the ionic liquid and graphene source. Previously presented
The method of claim 18, wherein the combination is applied to a substrate by a casting method or a printing method, prior to heating. Previously presented
The method of claim 18, wherein the composite comprises no more that about 0.1 wt % solvent after heating. Previously presented
A method for making an electrode comprising: combining fully exfoliated single sheets of graphite and at least one ionic liquid; coating the combination onto a substrate and heating the combination at a temperature of 200 0 C to 450 0 C; wherein the at least one ionic liquid comprises 1-ethyl-2-methylimidazolium tetrafluoroborate; and wherein the fully exfoliated single sheets of graphite are approximately < 1 nm thick; and have a X-ray diffraction pattern that displays no signature corresponding to graphite or graphite oxide. Previously presented
The method of claim 25, wherein the at least one ionic liquid further comprises a member selected from the group consisting of 1-alkyl-3- methylimidazoliumtetrafluoroborates, 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF 6]), 1-butyl-3-methylimidazolium hydroxide ([bmim] OH), 1-ethyl-3- methylimidazolium dicyanamide, 1-butyl-3-methylimidazolium chloride, 1-butyl-3-methylimidazolium hexafluorophosphate, trioctylmethylammonium bis(trifluoromethyl- sulfonyl)imide, 1-butyl-3-methylimidazolium chloride, 2-Hydroxyethylammonium formate, 1,3-dialkyl- 1,2,3-triazolium hexafluorophosphates, 1,3-dialkyl-1,2,3-triazolium bistriflimides, 1,3-dialkylimidazolium hexafluorophosphates, 1,3-dialkyl- 1,2,3-triazolium bistriflimides, triethylsulfonium bis(trifluoromethylsulfonyl)imide, bis(pentafluoroethylsulfonyl)imide, 1-butyl- 1 -methylpiperidinium tetrafluoroborate, choline acetate, 1-butyl- 1 -methylpiperidinium hexafluorophosphate, 4-ethyl-4-methylmorpholinium methyl carbonate 1-ethyl- i -methylpiperidinium methyl carbonate, triethylsulfonium bis(trifluoromethylsulfonyl)imide, 2-hydroxyethylammonium formate. Previously presented
The method of claim 25, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent, wherein the at least one solvent comprises an organic solvent. Previously presented
The method of claim 25, wherein the fully exfoliated single sheets of graphite are dispersed in at least one solvent and the at least one ionic liquid is present in the composite at 70 wt% or more, based on the total weight of the ionic liquid and graphene source. Previously presented
The method of claim 25, wherein the substrate is a metal. Previously presented
The method of claim 25, wherein the substrate is a current collector. Previously presented
The method of claim 25, wherein the coating of the combination onto the substrate comprises a casting method and/or a printing method. Previously presented
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-ionic liquid composite
electrode for energy storage device (supercapacitor/battery)
Materials described outside the worked examples.
fully exfoliated single sheets of graphite (graphene)
1-ethyl-2-methylimidazolium tetrafluoroborate
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Specific Capacitance | 140 F/g | — |
Equivalent Series Resistance | 48 Ohm | — |
Related documents with shared materials, methods, properties, or citations.
ionic liquid (additional members)
graphene-ionic liquid composite
graphite oxide
organic solvent
Xrd Characteristic | no signature corresponding to graphite or graphite oxide | fully exfoliated single sheets of graphite (graphene) |
Thickness | 1 nm | fully exfoliated single sheets of graphite (graphene) |
Temperature | 850–2500 °C | — |
Temperature | 950–1500 °C | — |
Duration | 0.5–14400 s | — |
Duration | 0.01–3600 s | — |
Duration | 0.5–3600 s | — |
Duration | 1–60 minutes | — |
Duration | 1–600 s | — |
Duration | 1–10 minutes | — |
Duration | 0.5–60 s | — |
Duration | 1–60 s | — |
— | ≤ 0.1 w | — |
Temperature | ≤ 1 °C | — |
Thickness | ≤ 1 nm | — |
Duration | ≤ 0.5 seconds | — |
Duration | ≤ 1 second | — |
Duration | ≤ 5 seconds | — |
Duration | ≤ 10 seconds | — |
Duration | ≤ 20 seconds | — |
Duration | ≤ 30 seconds | — |
Duration | ≤ 600 minutes | — |
Duration | ≤ 450 minutes | — |
Duration | ≤ 180 minutes | — |
Duration | ≤ 120 minutes | — |
Duration | ≤ 60 minutes | — |
Duration | ≤ 15 minutes | — |
Duration | ≤ 10 minutes | — |
Duration | ≤ 1 minute | — |
— | ≥ 0.1 w | — |
Temperature | ≥ 300 °C | — |
Temperature | ≥ 400 °C | — |
Temperature | ≥ 800 °C | — |
Duration | ≥ 1 minute | — |
Duration | ≥ 2 minutes | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 15 minutes | — |
Duration | ≥ 45 minutes | — |
Duration | ≥ 60 minutes | — |
Duration | ≥ 90 minutes | — |
Duration | ≥ 120 minutes | — |
Duration | ≥ 150 minutes | — |
Duration | ≥ 240 minutes | — |
Duration | ≥ 600 minutes | — |
Duration | ≥ 450 minutes | — |
Duration | ≥ 180 minutes | — |
Duration | ≥ 10 minutes | — |
Duration | ≥ 10 seconds | — |
Duration | ≥ 1 second | — |
Temperature | ≥ 200 °C | — |
Temperature | ≥ 1800 °C | — |
Temperature | ≥ 2000 °C | — |
STABLE DISPERSIONS OF SINGLE AND MULTIPLE GRAPHENE LAYERS IN SOLUTION
ionic liquid (additional members)
graphene-ionic liquid composite
graphite oxide
organic solvent
Xrd Characteristic | no signature corresponding to graphite or graphite oxide | fully exfoliated single sheets of graphite (graphene) |
Thickness | 1 nm | fully exfoliated single sheets of graphite (graphene) |
Temperature | 850–2500 °C | — |
Temperature | 950–1500 °C | — |
Duration | 0.5–14400 s | — |
Duration | 0.01–3600 s | — |
Duration | 0.5–3600 s | — |
Duration | 1–60 minutes | — |
Duration | 1–600 s | — |
Duration | 1–10 minutes | — |
Duration | 0.5–60 s | — |
Duration | 1–60 s | — |
— | ≤ 0.1 w | — |
Temperature | ≤ 1 °C | — |
Thickness | ≤ 1 nm | — |
Duration | ≤ 0.5 seconds | — |
Duration | ≤ 1 second | — |
Duration | ≤ 5 seconds | — |
Duration | ≤ 10 seconds | — |
Duration | ≤ 20 seconds | — |
Duration | ≤ 30 seconds | — |
Duration | ≤ 600 minutes | — |
Duration | ≤ 450 minutes | — |
Duration | ≤ 180 minutes | — |
Duration | ≤ 120 minutes | — |
Duration | ≤ 60 minutes | — |
Duration | ≤ 15 minutes | — |
Duration | ≤ 10 minutes | — |
Duration | ≤ 1 minute | — |
— | ≥ 0.1 w | — |
Temperature | ≥ 300 °C | — |
Temperature | ≥ 400 °C | — |
Temperature | ≥ 800 °C | — |
Duration | ≥ 1 minute | — |
Duration | ≥ 2 minutes | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 15 minutes | — |
Duration | ≥ 45 minutes | — |
Duration | ≥ 60 minutes | — |
Duration | ≥ 90 minutes | — |
Duration | ≥ 120 minutes | — |
Duration | ≥ 150 minutes | — |
Duration | ≥ 240 minutes | — |
Duration | ≥ 600 minutes | — |
Duration | ≥ 450 minutes | — |
Duration | ≥ 180 minutes | — |
Duration | ≥ 10 minutes | — |
Duration | ≥ 10 seconds | — |
Duration | ≥ 1 second | — |
Temperature | ≥ 200 °C | — |
Temperature | ≥ 1800 °C | — |
Temperature | ≥ 2000 °C | — |
STABLE DISPERSIONS OF SINGLE AND MULTIPLE GRAPHENE LAYERS IN SOLUTION
ionic liquid (additional members)
graphene-ionic liquid composite
graphite oxide
organic solvent
Xrd Characteristic | no signature corresponding to graphite or graphite oxide | fully exfoliated single sheets of graphite (graphene) |
Thickness | 1 nm | fully exfoliated single sheets of graphite (graphene) |
Temperature | 850–2500 °C | — |
Temperature | 950–1500 °C | — |
Duration | 0.5–14400 s | — |
Duration | 0.01–3600 s | — |
Duration | 0.5–3600 s | — |
Duration | 1–60 minutes | — |
Duration | 1–600 s | — |
Duration | 1–10 minutes | — |
Duration | 0.5–60 s | — |
Duration | 1–60 s | — |
— | ≤ 0.1 w | — |
Temperature | ≤ 1 °C | — |
Thickness | ≤ 1 nm | — |
Duration | ≤ 0.5 seconds | — |
Duration | ≤ 1 second | — |
Duration | ≤ 5 seconds | — |
Duration | ≤ 10 seconds | — |
Duration | ≤ 20 seconds | — |
Duration | ≤ 30 seconds | — |
Duration | ≤ 600 minutes | — |
Duration | ≤ 450 minutes | — |
Duration | ≤ 180 minutes | — |
Duration | ≤ 120 minutes | — |
Duration | ≤ 60 minutes | — |
Duration | ≤ 15 minutes | — |
Duration | ≤ 10 minutes | — |
Duration | ≤ 1 minute | — |
— | ≥ 0.1 w | — |
Temperature | ≥ 300 °C | — |
Temperature | ≥ 400 °C | — |
Temperature | ≥ 800 °C | — |
Duration | ≥ 1 minute | — |
Duration | ≥ 2 minutes | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 15 minutes | — |
Duration | ≥ 45 minutes | — |
Duration | ≥ 60 minutes | — |
Duration | ≥ 90 minutes | — |
Duration | ≥ 120 minutes | — |
Duration | ≥ 150 minutes | — |
Duration | ≥ 240 minutes | — |
Duration | ≥ 600 minutes | — |
Duration | ≥ 450 minutes | — |
Duration | ≥ 180 minutes | — |
Duration | ≥ 10 minutes | — |
Duration | ≥ 10 seconds | — |
Duration | ≥ 1 second | — |
Temperature | ≥ 200 °C | — |
Temperature | ≥ 1800 °C | — |
Temperature | ≥ 2000 °C | — |
STABLE DISPERSIONS OF SINGLE AND MULTIPLE GRAPHENE LAYERS IN SOLUTION
ionic liquid (additional members)
graphene-ionic liquid composite
graphite oxide
organic solvent
Xrd Characteristic | no signature corresponding to graphite or graphite oxide | fully exfoliated single sheets of graphite (graphene) |
Thickness | 1 nm | fully exfoliated single sheets of graphite (graphene) |
Temperature | 850–2500 °C | — |
Temperature | 950–1500 °C | — |
Duration | 0.5–14400 s | — |
Duration | 0.01–3600 s | — |
Duration | 0.5–3600 s | — |
Duration | 1–60 minutes | — |
Duration | 1–600 s | — |
Duration | 1–10 minutes | — |
Duration | 0.5–60 s | — |
Duration | 1–60 s | — |
— | ≤ 0.1 w | — |
Temperature | ≤ 1 °C | — |
Thickness | ≤ 1 nm | — |
Duration | ≤ 0.5 seconds | — |
Duration | ≤ 1 second | — |
Duration | ≤ 5 seconds | — |
Duration | ≤ 10 seconds | — |
Duration | ≤ 20 seconds | — |
Duration | ≤ 30 seconds | — |
Duration | ≤ 600 minutes | — |
Duration | ≤ 450 minutes | — |
Duration | ≤ 180 minutes | — |
Duration | ≤ 120 minutes | — |
Duration | ≤ 60 minutes | — |
Duration | ≤ 15 minutes | — |
Duration | ≤ 10 minutes | — |
Duration | ≤ 1 minute | — |
— | ≥ 0.1 w | — |
Temperature | ≥ 300 °C | — |
Temperature | ≥ 400 °C | — |
Temperature | ≥ 800 °C | — |
Duration | ≥ 1 minute | — |
Duration | ≥ 2 minutes | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 15 minutes | — |
Duration | ≥ 45 minutes | — |
Duration | ≥ 60 minutes | — |
Duration | ≥ 90 minutes | — |
Duration | ≥ 120 minutes | — |
Duration | ≥ 150 minutes | — |
Duration | ≥ 240 minutes | — |
Duration | ≥ 600 minutes | — |
Duration | ≥ 450 minutes | — |
Duration | ≥ 180 minutes | — |
Duration | ≥ 10 minutes | — |
Duration | ≥ 10 seconds | — |
Duration | ≥ 1 second | — |
Temperature | ≥ 200 °C | — |
Temperature | ≥ 1800 °C | — |
Temperature | ≥ 2000 °C | — |
STABLE DISPERSIONS OF SINGLE AND MULTIPLE GRAPHENE LAYERS IN SOLUTION