Patent
US 10,297,396GRAPHENE-BASED FILMS
Dan Li
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,297,396Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Withdrawn-Currently Amended) A method of preparing graphene-based film having a packing density (p) of graphene-based sheets ranging from.. 1-1.40 g/cm 3 and a gravimetric capacitance over 100 F/g at an operational rate of 100 A/g, said method comprising: providing a first graphene-based film comprising graphene-based sheets of graphene, graphene oxide, partially reduced graphene oxide, reduced graphene oxide, or a combination of two or more thereof, that are (i) arranged relative to each other in a substantially planar manner so as to form a layered structure, and (ii) at least partially separated by a liquid medium; exchanging said liquid medium with a packing density adjustment medium that comprises at least two components, wherein (i) one of said at least two components has a volatility greater than the other component, and (ii) said at least two components are selected from an aqueous liquid, an organic liquid, polymer, sulfuric acid and an ionic liquid; and removing at least some of the more volatile component from the first graphene-based film to produce the graphene-based film where the graphene-based sheets (i) have a different packing density relative to that of the first graphene-based film, and (ii) are at least partially separated by at least the less volatile component. Currently amended
The method according to claim 1, wherein at least 70 vol % of the liquid medium is exchanged with the packing density adjustment medium. Withdrawn
The method according to claim 1, wherein the packing density adjustment medium comprises no more than about 70 vol % of the more volatile component relative to the combined volume of the less and more volatile components. Withdrawn
The method according to claim 1, wherein the packing density adjustment medium comprises water and sulfuric acid, 1-ethyl- 3 -methylimidazolium tetrafluoroborate and acetonitrile, 1 -ethyl-3 -methylimidazolium tetrafluoroborate and water, or water, sulfuric acid and polyvinyl alcohol. Withdrawn
The method according to claim 1, wherein removal of at least some of the more volatile component of the exchanged packing density adjustment medium from the first graphene-based film provides for a graphene-based film having a specific volumetric capacitance (Cvo i) of at least 100 F/cm 3 at an operation rate of 0.1 A/g and using 1.0 M H 2 S O 4 as electrolyte, or a specific volumetric capacitance (C vo i) of at least 50 F/cm 3 at an operation rate of 50 A/g and using 1.0 M H 2 S O 4 as electrolyte. Withdrawn
The method according to claim 1, wherein removal of at least some of the more volatile component of the exchanged packing density adjustment medium from the first graphene-based film provides for a graphene-based film having a relaxation time (T O) of less than 1 second when measured from a capacitor cell based on 1.0 mg/cm 2 of the so formed graphene- based film, where t o is the minimum time needed to discharge all energy from the capacitor cell with an efficiency of at least 50%. Withdrawn
The method according to claim 1, wherein the one or more of water, water soluble polymer, wherein the sheets are arranged so as to form a graphene-based sheets within the film are 45 °. Previously presented packing density adjustment medium comprises sulfuric acid and ionic liquid. Withdrawn
Canceled
Canceled
Canceled
Canceled
Graphene-based film comprising sheets of graphene, graphene oxide, partially reduced graphene oxide, reduced graphene oxide, or a combination of two or more thereof, that are (i) arranged relative to each other in a substantially planar manner so as to form a layered structure, and (ii) separated by a liquid medium comprising one or more of polymer, sulfuric acid, and an ionic liquid, wherein the film exhibits (i) a packing density (p) of the graphene-based sheets ranging from.. 1-1.40 g/cm 3 and (ii) a gravimetric capacitance over 100 F/g at an operational rate of 100 A/g. Currently amended
The graphene-based film according to claim 11 having a specific volumetric capacitance (C vo i) of at least 100 F/cm 3 at an operation rate of 0.1 A/g and using 1.0 M H 2 S O 4 as electrolyte, or a specific volumetric capacitance (C vo i) of at least 50 F/cm 3 at an operation rate of 50 A/g and using 1.0 M H 2 S O 4 as electrolyte. Previously presented
The graphene-based film according claim 11 having a relaxation time (To) of less than 1 second when measured from a capacitor cell based on 1.0 mg/cm 2 of the so formed graphene-based film, where t o is the minimum time needed to discharge all energy from the capacitor cell with an efficiency of at least 50%. Previously presented
A device comprising at least one graphene-based film according to claim 11. Previously presented
A supercapacitor comprising at least one graphene-based film according to claim 11, as an electrode. Previously presented
The graphene-based film according claim 11 layered structure where at least about 60% of the aligned along their major axis at less than about
Canceled
Canceled
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based film electrode
supercapacitor
Materials described outside the worked examples.
graphene-based film
graphene
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
packing density of graphene-based sheets (claimed range) | 0.1–1.4 g/cm3 | graphene-based film |
gravimetric capacitance at 100 A/g operational rate (claimed minimum) | ≥ 100 F/g |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,297,396Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Withdrawn-Currently Amended) A method of preparing graphene-based film having a packing density (p) of graphene-based sheets ranging from.. 1-1.40 g/cm 3 and a gravimetric capacitance over 100 F/g at an operational rate of 100 A/g, said method comprising: providing a first graphene-based film comprising graphene-based sheets of graphene, graphene oxide, partially reduced graphene oxide, reduced graphene oxide, or a combination of two or more thereof, that are (i) arranged relative to each other in a substantially planar manner so as to form a layered structure, and (ii) at least partially separated by a liquid medium; exchanging said liquid medium with a packing density adjustment medium that comprises at least two components, wherein (i) one of said at least two components has a volatility greater than the other component, and (ii) said at least two components are selected from an aqueous liquid, an organic liquid, polymer, sulfuric acid and an ionic liquid; and removing at least some of the more volatile component from the first graphene-based film to produce the graphene-based film where the graphene-based sheets (i) have a different packing density relative to that of the first graphene-based film, and (ii) are at least partially separated by at least the less volatile component. Currently amended
The method according to claim 1, wherein at least 70 vol % of the liquid medium is exchanged with the packing density adjustment medium. Withdrawn
The method according to claim 1, wherein the packing density adjustment medium comprises no more than about 70 vol % of the more volatile component relative to the combined volume of the less and more volatile components. Withdrawn
The method according to claim 1, wherein the packing density adjustment medium comprises water and sulfuric acid, 1-ethyl- 3 -methylimidazolium tetrafluoroborate and acetonitrile, 1 -ethyl-3 -methylimidazolium tetrafluoroborate and water, or water, sulfuric acid and polyvinyl alcohol. Withdrawn
The method according to claim 1, wherein removal of at least some of the more volatile component of the exchanged packing density adjustment medium from the first graphene-based film provides for a graphene-based film having a specific volumetric capacitance (Cvo i) of at least 100 F/cm 3 at an operation rate of 0.1 A/g and using 1.0 M H 2 S O 4 as electrolyte, or a specific volumetric capacitance (C vo i) of at least 50 F/cm 3 at an operation rate of 50 A/g and using 1.0 M H 2 S O 4 as electrolyte. Withdrawn
The method according to claim 1, wherein removal of at least some of the more volatile component of the exchanged packing density adjustment medium from the first graphene-based film provides for a graphene-based film having a relaxation time (T O) of less than 1 second when measured from a capacitor cell based on 1.0 mg/cm 2 of the so formed graphene- based film, where t o is the minimum time needed to discharge all energy from the capacitor cell with an efficiency of at least 50%. Withdrawn
The method according to claim 1, wherein the one or more of water, water soluble polymer, wherein the sheets are arranged so as to form a graphene-based sheets within the film are 45 °. Previously presented packing density adjustment medium comprises sulfuric acid and ionic liquid. Withdrawn
Canceled
Canceled
Canceled
Canceled
Graphene-based film comprising sheets of graphene, graphene oxide, partially reduced graphene oxide, reduced graphene oxide, or a combination of two or more thereof, that are (i) arranged relative to each other in a substantially planar manner so as to form a layered structure, and (ii) separated by a liquid medium comprising one or more of polymer, sulfuric acid, and an ionic liquid, wherein the film exhibits (i) a packing density (p) of the graphene-based sheets ranging from.. 1-1.40 g/cm 3 and (ii) a gravimetric capacitance over 100 F/g at an operational rate of 100 A/g. Currently amended
The graphene-based film according to claim 11 having a specific volumetric capacitance (C vo i) of at least 100 F/cm 3 at an operation rate of 0.1 A/g and using 1.0 M H 2 S O 4 as electrolyte, or a specific volumetric capacitance (C vo i) of at least 50 F/cm 3 at an operation rate of 50 A/g and using 1.0 M H 2 S O 4 as electrolyte. Previously presented
The graphene-based film according claim 11 having a relaxation time (To) of less than 1 second when measured from a capacitor cell based on 1.0 mg/cm 2 of the so formed graphene-based film, where t o is the minimum time needed to discharge all energy from the capacitor cell with an efficiency of at least 50%. Previously presented
A device comprising at least one graphene-based film according to claim 11. Previously presented
A supercapacitor comprising at least one graphene-based film according to claim 11, as an electrode. Previously presented
The graphene-based film according claim 11 layered structure where at least about 60% of the aligned along their major axis at less than about
Canceled
Canceled
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based film electrode
supercapacitor
Materials described outside the worked examples.
graphene-based film
graphene
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
packing density of graphene-based sheets (claimed range) | 0.1–1.4 g/cm3 | graphene-based film |
gravimetric capacitance at 100 A/g operational rate (claimed minimum) | ≥ 100 F/g |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,297,396Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Withdrawn-Currently Amended) A method of preparing graphene-based film having a packing density (p) of graphene-based sheets ranging from.. 1-1.40 g/cm 3 and a gravimetric capacitance over 100 F/g at an operational rate of 100 A/g, said method comprising: providing a first graphene-based film comprising graphene-based sheets of graphene, graphene oxide, partially reduced graphene oxide, reduced graphene oxide, or a combination of two or more thereof, that are (i) arranged relative to each other in a substantially planar manner so as to form a layered structure, and (ii) at least partially separated by a liquid medium; exchanging said liquid medium with a packing density adjustment medium that comprises at least two components, wherein (i) one of said at least two components has a volatility greater than the other component, and (ii) said at least two components are selected from an aqueous liquid, an organic liquid, polymer, sulfuric acid and an ionic liquid; and removing at least some of the more volatile component from the first graphene-based film to produce the graphene-based film where the graphene-based sheets (i) have a different packing density relative to that of the first graphene-based film, and (ii) are at least partially separated by at least the less volatile component. Currently amended
The method according to claim 1, wherein at least 70 vol % of the liquid medium is exchanged with the packing density adjustment medium. Withdrawn
The method according to claim 1, wherein the packing density adjustment medium comprises no more than about 70 vol % of the more volatile component relative to the combined volume of the less and more volatile components. Withdrawn
The method according to claim 1, wherein the packing density adjustment medium comprises water and sulfuric acid, 1-ethyl- 3 -methylimidazolium tetrafluoroborate and acetonitrile, 1 -ethyl-3 -methylimidazolium tetrafluoroborate and water, or water, sulfuric acid and polyvinyl alcohol. Withdrawn
The method according to claim 1, wherein removal of at least some of the more volatile component of the exchanged packing density adjustment medium from the first graphene-based film provides for a graphene-based film having a specific volumetric capacitance (Cvo i) of at least 100 F/cm 3 at an operation rate of 0.1 A/g and using 1.0 M H 2 S O 4 as electrolyte, or a specific volumetric capacitance (C vo i) of at least 50 F/cm 3 at an operation rate of 50 A/g and using 1.0 M H 2 S O 4 as electrolyte. Withdrawn
The method according to claim 1, wherein removal of at least some of the more volatile component of the exchanged packing density adjustment medium from the first graphene-based film provides for a graphene-based film having a relaxation time (T O) of less than 1 second when measured from a capacitor cell based on 1.0 mg/cm 2 of the so formed graphene- based film, where t o is the minimum time needed to discharge all energy from the capacitor cell with an efficiency of at least 50%. Withdrawn
The method according to claim 1, wherein the one or more of water, water soluble polymer, wherein the sheets are arranged so as to form a graphene-based sheets within the film are 45 °. Previously presented packing density adjustment medium comprises sulfuric acid and ionic liquid. Withdrawn
Canceled
Canceled
Canceled
Canceled
Graphene-based film comprising sheets of graphene, graphene oxide, partially reduced graphene oxide, reduced graphene oxide, or a combination of two or more thereof, that are (i) arranged relative to each other in a substantially planar manner so as to form a layered structure, and (ii) separated by a liquid medium comprising one or more of polymer, sulfuric acid, and an ionic liquid, wherein the film exhibits (i) a packing density (p) of the graphene-based sheets ranging from.. 1-1.40 g/cm 3 and (ii) a gravimetric capacitance over 100 F/g at an operational rate of 100 A/g. Currently amended
The graphene-based film according to claim 11 having a specific volumetric capacitance (C vo i) of at least 100 F/cm 3 at an operation rate of 0.1 A/g and using 1.0 M H 2 S O 4 as electrolyte, or a specific volumetric capacitance (C vo i) of at least 50 F/cm 3 at an operation rate of 50 A/g and using 1.0 M H 2 S O 4 as electrolyte. Previously presented
The graphene-based film according claim 11 having a relaxation time (To) of less than 1 second when measured from a capacitor cell based on 1.0 mg/cm 2 of the so formed graphene-based film, where t o is the minimum time needed to discharge all energy from the capacitor cell with an efficiency of at least 50%. Previously presented
A device comprising at least one graphene-based film according to claim 11. Previously presented
A supercapacitor comprising at least one graphene-based film according to claim 11, as an electrode. Previously presented
The graphene-based film according claim 11 layered structure where at least about 60% of the aligned along their major axis at less than about
Canceled
Canceled
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based film electrode
supercapacitor
Materials described outside the worked examples.
graphene-based film
graphene
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
packing density of graphene-based sheets (claimed range) | 0.1–1.4 g/cm3 | graphene-based film |
gravimetric capacitance at 100 A/g operational rate (claimed minimum) | ≥ 100 F/g |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,297,396Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Withdrawn-Currently Amended) A method of preparing graphene-based film having a packing density (p) of graphene-based sheets ranging from.. 1-1.40 g/cm 3 and a gravimetric capacitance over 100 F/g at an operational rate of 100 A/g, said method comprising: providing a first graphene-based film comprising graphene-based sheets of graphene, graphene oxide, partially reduced graphene oxide, reduced graphene oxide, or a combination of two or more thereof, that are (i) arranged relative to each other in a substantially planar manner so as to form a layered structure, and (ii) at least partially separated by a liquid medium; exchanging said liquid medium with a packing density adjustment medium that comprises at least two components, wherein (i) one of said at least two components has a volatility greater than the other component, and (ii) said at least two components are selected from an aqueous liquid, an organic liquid, polymer, sulfuric acid and an ionic liquid; and removing at least some of the more volatile component from the first graphene-based film to produce the graphene-based film where the graphene-based sheets (i) have a different packing density relative to that of the first graphene-based film, and (ii) are at least partially separated by at least the less volatile component. Currently amended
The method according to claim 1, wherein at least 70 vol % of the liquid medium is exchanged with the packing density adjustment medium. Withdrawn
The method according to claim 1, wherein the packing density adjustment medium comprises no more than about 70 vol % of the more volatile component relative to the combined volume of the less and more volatile components. Withdrawn
The method according to claim 1, wherein the packing density adjustment medium comprises water and sulfuric acid, 1-ethyl- 3 -methylimidazolium tetrafluoroborate and acetonitrile, 1 -ethyl-3 -methylimidazolium tetrafluoroborate and water, or water, sulfuric acid and polyvinyl alcohol. Withdrawn
The method according to claim 1, wherein removal of at least some of the more volatile component of the exchanged packing density adjustment medium from the first graphene-based film provides for a graphene-based film having a specific volumetric capacitance (Cvo i) of at least 100 F/cm 3 at an operation rate of 0.1 A/g and using 1.0 M H 2 S O 4 as electrolyte, or a specific volumetric capacitance (C vo i) of at least 50 F/cm 3 at an operation rate of 50 A/g and using 1.0 M H 2 S O 4 as electrolyte. Withdrawn
The method according to claim 1, wherein removal of at least some of the more volatile component of the exchanged packing density adjustment medium from the first graphene-based film provides for a graphene-based film having a relaxation time (T O) of less than 1 second when measured from a capacitor cell based on 1.0 mg/cm 2 of the so formed graphene- based film, where t o is the minimum time needed to discharge all energy from the capacitor cell with an efficiency of at least 50%. Withdrawn
The method according to claim 1, wherein the one or more of water, water soluble polymer, wherein the sheets are arranged so as to form a graphene-based sheets within the film are 45 °. Previously presented packing density adjustment medium comprises sulfuric acid and ionic liquid. Withdrawn
Canceled
Canceled
Canceled
Canceled
Graphene-based film comprising sheets of graphene, graphene oxide, partially reduced graphene oxide, reduced graphene oxide, or a combination of two or more thereof, that are (i) arranged relative to each other in a substantially planar manner so as to form a layered structure, and (ii) separated by a liquid medium comprising one or more of polymer, sulfuric acid, and an ionic liquid, wherein the film exhibits (i) a packing density (p) of the graphene-based sheets ranging from.. 1-1.40 g/cm 3 and (ii) a gravimetric capacitance over 100 F/g at an operational rate of 100 A/g. Currently amended
The graphene-based film according to claim 11 having a specific volumetric capacitance (C vo i) of at least 100 F/cm 3 at an operation rate of 0.1 A/g and using 1.0 M H 2 S O 4 as electrolyte, or a specific volumetric capacitance (C vo i) of at least 50 F/cm 3 at an operation rate of 50 A/g and using 1.0 M H 2 S O 4 as electrolyte. Previously presented
The graphene-based film according claim 11 having a relaxation time (To) of less than 1 second when measured from a capacitor cell based on 1.0 mg/cm 2 of the so formed graphene-based film, where t o is the minimum time needed to discharge all energy from the capacitor cell with an efficiency of at least 50%. Previously presented
A device comprising at least one graphene-based film according to claim 11. Previously presented
A supercapacitor comprising at least one graphene-based film according to claim 11, as an electrode. Previously presented
The graphene-based film according claim 11 layered structure where at least about 60% of the aligned along their major axis at less than about
Canceled
Canceled
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based film electrode
supercapacitor
Materials described outside the worked examples.
graphene-based film
graphene
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
packing density of graphene-based sheets (claimed range) | 0.1–1.4 g/cm3 | graphene-based film |
gravimetric capacitance at 100 A/g operational rate (claimed minimum) | ≥ 100 F/g |
Related documents with shared materials, methods, properties, or citations.
graphene oxide
partially reduced graphene oxide
reduced graphene oxide
water
H₂O
sulfuric acid
H₂SO₄
1-ethyl-3-methylimidazolium tetrafluoroborate
acetonitrile
CH₃CN
polyvinyl alcohol
ionic liquid
graphene-based film |
specific volumetric capacitance at 0.1 A/g (claimed minimum) | ≥ 100 F/cm3 | graphene-based film |
specific volumetric capacitance at 50 A/g (claimed minimum) | ≥ 50 F/cm3 | graphene-based film |
relaxation time T0 of capacitor cell (claimed maximum) | ≤ 1 s | graphene-based film |
specific gravimetric capacitance at 0.1 A/g (embodiment range) | 100–225 F/g | graphene-based film |
specific gravimetric capacitance at 50 A/g (embodiment range) | 50–180 F/g | graphene-based film |
specific volumetric capacitance at 0.1 A/g (embodiment range) | 100–300 F/cm3 | graphene-based film |
specific volumetric capacitance at 50 A/g (embodiment range) | 50–180 F/cm3 | graphene-based film |
Duration | ≤ 1 second | — |
Thickness | 235–275 nm | — |
Thickness | 4–5 nm | — |
Thickness | 3–5 nm | — |
Thickness | 2–5 nm | — |
Thickness | 0.9–5 nm | — |
Thickness | 0.8–5 nm | — |
Thickness | 0.7–5 nm | — |
Duration | 0.12–0.5 seconds | — |
Thickness | 223–233 nm | — |
Duration | 0.12–1.06 seconds | — |
Duration | 7- 0.12 seconds | — |
Thickness | ≤ 800 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 250 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 10 nm | — |
Temperature | ≤ 20 °C | — |
Thickness | ≥ 235 nm | — |
Thickness | ≥ 240 nm | — |
Thickness | ≥ 250 nm | — |
Thickness | ≥ 260 nm | — |
Thickness | ≥ 270 nm | — |
Thickness | ≥ 275 nm | — |
graphene oxide
partially reduced graphene oxide
reduced graphene oxide
water
H₂O
sulfuric acid
H₂SO₄
1-ethyl-3-methylimidazolium tetrafluoroborate
acetonitrile
CH₃CN
polyvinyl alcohol
ionic liquid
graphene-based film |
specific volumetric capacitance at 0.1 A/g (claimed minimum) | ≥ 100 F/cm3 | graphene-based film |
specific volumetric capacitance at 50 A/g (claimed minimum) | ≥ 50 F/cm3 | graphene-based film |
relaxation time T0 of capacitor cell (claimed maximum) | ≤ 1 s | graphene-based film |
specific gravimetric capacitance at 0.1 A/g (embodiment range) | 100–225 F/g | graphene-based film |
specific gravimetric capacitance at 50 A/g (embodiment range) | 50–180 F/g | graphene-based film |
specific volumetric capacitance at 0.1 A/g (embodiment range) | 100–300 F/cm3 | graphene-based film |
specific volumetric capacitance at 50 A/g (embodiment range) | 50–180 F/cm3 | graphene-based film |
Duration | ≤ 1 second | — |
Thickness | 235–275 nm | — |
Thickness | 4–5 nm | — |
Thickness | 3–5 nm | — |
Thickness | 2–5 nm | — |
Thickness | 0.9–5 nm | — |
Thickness | 0.8–5 nm | — |
Thickness | 0.7–5 nm | — |
Duration | 0.12–0.5 seconds | — |
Thickness | 223–233 nm | — |
Duration | 0.12–1.06 seconds | — |
Duration | 7- 0.12 seconds | — |
Thickness | ≤ 800 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 250 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 10 nm | — |
Temperature | ≤ 20 °C | — |
Thickness | ≥ 235 nm | — |
Thickness | ≥ 240 nm | — |
Thickness | ≥ 250 nm | — |
Thickness | ≥ 260 nm | — |
Thickness | ≥ 270 nm | — |
Thickness | ≥ 275 nm | — |
graphene oxide
partially reduced graphene oxide
reduced graphene oxide
water
H₂O
sulfuric acid
H₂SO₄
1-ethyl-3-methylimidazolium tetrafluoroborate
acetonitrile
CH₃CN
polyvinyl alcohol
ionic liquid
graphene-based film |
specific volumetric capacitance at 0.1 A/g (claimed minimum) | ≥ 100 F/cm3 | graphene-based film |
specific volumetric capacitance at 50 A/g (claimed minimum) | ≥ 50 F/cm3 | graphene-based film |
relaxation time T0 of capacitor cell (claimed maximum) | ≤ 1 s | graphene-based film |
specific gravimetric capacitance at 0.1 A/g (embodiment range) | 100–225 F/g | graphene-based film |
specific gravimetric capacitance at 50 A/g (embodiment range) | 50–180 F/g | graphene-based film |
specific volumetric capacitance at 0.1 A/g (embodiment range) | 100–300 F/cm3 | graphene-based film |
specific volumetric capacitance at 50 A/g (embodiment range) | 50–180 F/cm3 | graphene-based film |
Duration | ≤ 1 second | — |
Thickness | 235–275 nm | — |
Thickness | 4–5 nm | — |
Thickness | 3–5 nm | — |
Thickness | 2–5 nm | — |
Thickness | 0.9–5 nm | — |
Thickness | 0.8–5 nm | — |
Thickness | 0.7–5 nm | — |
Duration | 0.12–0.5 seconds | — |
Thickness | 223–233 nm | — |
Duration | 0.12–1.06 seconds | — |
Duration | 7- 0.12 seconds | — |
Thickness | ≤ 800 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 250 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 10 nm | — |
Temperature | ≤ 20 °C | — |
Thickness | ≥ 235 nm | — |
Thickness | ≥ 240 nm | — |
Thickness | ≥ 250 nm | — |
Thickness | ≥ 260 nm | — |
Thickness | ≥ 270 nm | — |
Thickness | ≥ 275 nm | — |
graphene oxide
partially reduced graphene oxide
reduced graphene oxide
water
H₂O
sulfuric acid
H₂SO₄
1-ethyl-3-methylimidazolium tetrafluoroborate
acetonitrile
CH₃CN
polyvinyl alcohol
ionic liquid
graphene-based film |
specific volumetric capacitance at 0.1 A/g (claimed minimum) | ≥ 100 F/cm3 | graphene-based film |
specific volumetric capacitance at 50 A/g (claimed minimum) | ≥ 50 F/cm3 | graphene-based film |
relaxation time T0 of capacitor cell (claimed maximum) | ≤ 1 s | graphene-based film |
specific gravimetric capacitance at 0.1 A/g (embodiment range) | 100–225 F/g | graphene-based film |
specific gravimetric capacitance at 50 A/g (embodiment range) | 50–180 F/g | graphene-based film |
specific volumetric capacitance at 0.1 A/g (embodiment range) | 100–300 F/cm3 | graphene-based film |
specific volumetric capacitance at 50 A/g (embodiment range) | 50–180 F/cm3 | graphene-based film |
Duration | ≤ 1 second | — |
Thickness | 235–275 nm | — |
Thickness | 4–5 nm | — |
Thickness | 3–5 nm | — |
Thickness | 2–5 nm | — |
Thickness | 0.9–5 nm | — |
Thickness | 0.8–5 nm | — |
Thickness | 0.7–5 nm | — |
Duration | 0.12–0.5 seconds | — |
Thickness | 223–233 nm | — |
Duration | 0.12–1.06 seconds | — |
Duration | 7- 0.12 seconds | — |
Thickness | ≤ 800 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 250 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 10 nm | — |
Temperature | ≤ 20 °C | — |
Thickness | ≥ 235 nm | — |
Thickness | ≥ 240 nm | — |
Thickness | ≥ 250 nm | — |
Thickness | ≥ 260 nm | — |
Thickness | ≥ 270 nm | — |
Thickness | ≥ 275 nm | — |