Patent
US 9,978,534ELECTRODE STRUCTURE HAVING ROLL SHAPE, ELECTRODE AND ELECTRIC DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE ELECTRODE STRUCTURE
Yeo-heung YOON
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,978,534Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS 1 (a) through 1 (c) illustrate an electrode structure according to an embodiment of the present invention, 3 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
FIG 2 schematically illustrates differences between diffusion of an electrolyte and migration paths of electrolyte ions in an electrode provided by using a typical electrode mate ri al and an electrode according to an embodiment, in which 2 (a) is an electrode provided using carbon powder, such as …
FIG 3 is a schematic view illustrating an electrode of a supercapacitor according to an embodiment of the present invention,
FIGS 4 (a) through 4 (e) are schematic views illustrating a method of manufactu ri ng an electrode structure according to an embodiment of the present invention,
FIG 5 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 6M potassium hydroxide (KOH) electrolyte,
FIG 6 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 6M KOH electrolyte,
FIG 7 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 1 M sulfu ri c acid (H₂S O 4) electrolyte,
FIG 8 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 1 M H₂S O 4 electrolyte,
FIG 9 is a graph illustrating specific capacitance measurements of a coin cell of Example 3 using a 1 M 1 -butyl-3-methylimidazolium tetrafluoroborate (BMIM BF₄) electrolyte according to a scan rate,
FIG 10 is a graph illustrating galvano charging/discharging of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte, and
FIG 11 is a graph illustrating impedance measurements of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte 4 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An electrode structure comprising: a rolled graphene film which is wound about a central axis, and a nanomaterial dispersed on a surface of the rolled graphene film, the nanomaterial providing a space between facing surfaces of the rolled graphene film, wherein the nanomaterial comprises carbon nanotubes, fullerene, carbon nanowires, carbon nanofibers, or a combination thereof. Previously presented
(Ori g inal) The electrode structure of claim 1, wherein the graphene film comprises: a single graphene sheet or a laminate of a plurality of graphene sheets. Original
(Ori g ina l) The electrode structure of claim 1, wherein an average thickness of the graphene film is about 1,000 micrometers or less. Original
The electrode structure of claim 1, wherein the graphene film is porous. Original
The electrode structure of claim 1, wherein the nanomaterial has a shape of a discrete particle, a tube, a wire, a rod, a fiber or a non-uniform, non-discrete bulk unit, or a combined shape thereof. Original
The electrode structure of claim 1, wherein an average diameter of the nanomaterial is in a range of about 1 nanometer to about 200 nanometers. Original
The electrode structure of claim 1, wherein the nanomaterial is dispersed on the surface of the graphene film without agglomeration. Original
The electrode structure of claim 1, wherein a content of the nanomaterial is in a range of about 1 wt% to about 50 wt% based on a total weight of the nanomaterial and the graphene film. Original
The electrode structure of claim 1, wherein a top or bottom surface of the electrode structure has a shape of in a circular form, an elliptical form or a polygonal form. Original
The electrode structure of claim 1, wherein a thickness of the electrode structure is in a range of about 10 micrometers to about 1,000 micrometers, taken along the central axis. Original
The electrode structure of claim 1, wherein a density of the electrode structure is in a range of about 0.1 gram per cubic centimeter to about 1.5 grams per cubic centimeter. Original
An electric device comprising: an electrode, the electrode comprising: a current collector; and the electrode structure of claim 1, on the current collector. Original
Canceled
A method of manufacturing an electrode structure, the method comprising: providing a graphene oxide film comprising a nanomaterial dispersed on a surface thereof; winding the graphene oxide film about a central axis; separating a portion of the wound graphene oxide film from a remainder of the wound graphene oxide film; and reducing the separated portion of the wound graphene oxide film. Withdrawn
The method of claim 17, further comprising providing an organic solvent on the surface of the graphene oxide film, before the winding the graphene oxide film. Withdrawn
The method of claim 17, wherein the separating a portion of the wound graphene oxide film comprises laser cutting or cutting with a blade. Withdrawn
The method of claim 17, wherein the reducing the separated portion of the wound graphene oxide film comprises chemical reduction, thermal reduction or thermal-chemical reduction. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
rolled graphene film electrode structure
electric device with rolled graphene electrode
Materials described outside the worked examples.
graphene film
carbon nanotubes
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG 5 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 6M potassium hydroxide (KOH) electrolyte,
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average thickness of graphene film (claimed upper bound) | ≤ 1000 micrometer | graphene film |
average diameter of nanomaterial (claimed range) | 1–200 nanometer |
Patent
Atlas literature
Patent
US 9,978,534Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS 1 (a) through 1 (c) illustrate an electrode structure according to an embodiment of the present invention, 3 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
FIG 2 schematically illustrates differences between diffusion of an electrolyte and migration paths of electrolyte ions in an electrode provided by using a typical electrode mate ri al and an electrode according to an embodiment, in which 2 (a) is an electrode provided using carbon powder, such as …
FIG 3 is a schematic view illustrating an electrode of a supercapacitor according to an embodiment of the present invention,
FIGS 4 (a) through 4 (e) are schematic views illustrating a method of manufactu ri ng an electrode structure according to an embodiment of the present invention,
FIG 5 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 6M potassium hydroxide (KOH) electrolyte,
FIG 6 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 6M KOH electrolyte,
FIG 7 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 1 M sulfu ri c acid (H₂S O 4) electrolyte,
FIG 8 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 1 M H₂S O 4 electrolyte,
FIG 9 is a graph illustrating specific capacitance measurements of a coin cell of Example 3 using a 1 M 1 -butyl-3-methylimidazolium tetrafluoroborate (BMIM BF₄) electrolyte according to a scan rate,
FIG 10 is a graph illustrating galvano charging/discharging of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte, and
FIG 11 is a graph illustrating impedance measurements of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte 4 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An electrode structure comprising: a rolled graphene film which is wound about a central axis, and a nanomaterial dispersed on a surface of the rolled graphene film, the nanomaterial providing a space between facing surfaces of the rolled graphene film, wherein the nanomaterial comprises carbon nanotubes, fullerene, carbon nanowires, carbon nanofibers, or a combination thereof. Previously presented
(Ori g inal) The electrode structure of claim 1, wherein the graphene film comprises: a single graphene sheet or a laminate of a plurality of graphene sheets. Original
(Ori g ina l) The electrode structure of claim 1, wherein an average thickness of the graphene film is about 1,000 micrometers or less. Original
The electrode structure of claim 1, wherein the graphene film is porous. Original
The electrode structure of claim 1, wherein the nanomaterial has a shape of a discrete particle, a tube, a wire, a rod, a fiber or a non-uniform, non-discrete bulk unit, or a combined shape thereof. Original
The electrode structure of claim 1, wherein an average diameter of the nanomaterial is in a range of about 1 nanometer to about 200 nanometers. Original
The electrode structure of claim 1, wherein the nanomaterial is dispersed on the surface of the graphene film without agglomeration. Original
The electrode structure of claim 1, wherein a content of the nanomaterial is in a range of about 1 wt% to about 50 wt% based on a total weight of the nanomaterial and the graphene film. Original
The electrode structure of claim 1, wherein a top or bottom surface of the electrode structure has a shape of in a circular form, an elliptical form or a polygonal form. Original
The electrode structure of claim 1, wherein a thickness of the electrode structure is in a range of about 10 micrometers to about 1,000 micrometers, taken along the central axis. Original
The electrode structure of claim 1, wherein a density of the electrode structure is in a range of about 0.1 gram per cubic centimeter to about 1.5 grams per cubic centimeter. Original
An electric device comprising: an electrode, the electrode comprising: a current collector; and the electrode structure of claim 1, on the current collector. Original
Canceled
A method of manufacturing an electrode structure, the method comprising: providing a graphene oxide film comprising a nanomaterial dispersed on a surface thereof; winding the graphene oxide film about a central axis; separating a portion of the wound graphene oxide film from a remainder of the wound graphene oxide film; and reducing the separated portion of the wound graphene oxide film. Withdrawn
The method of claim 17, further comprising providing an organic solvent on the surface of the graphene oxide film, before the winding the graphene oxide film. Withdrawn
The method of claim 17, wherein the separating a portion of the wound graphene oxide film comprises laser cutting or cutting with a blade. Withdrawn
The method of claim 17, wherein the reducing the separated portion of the wound graphene oxide film comprises chemical reduction, thermal reduction or thermal-chemical reduction. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
rolled graphene film electrode structure
electric device with rolled graphene electrode
Materials described outside the worked examples.
graphene film
carbon nanotubes
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG 5 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 6M potassium hydroxide (KOH) electrolyte,
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average thickness of graphene film (claimed upper bound) | ≤ 1000 micrometer | graphene film |
average diameter of nanomaterial (claimed range) | 1–200 nanometer |
Patent
Atlas literature
Patent
US 9,978,534Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS 1 (a) through 1 (c) illustrate an electrode structure according to an embodiment of the present invention, 3 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
FIG 2 schematically illustrates differences between diffusion of an electrolyte and migration paths of electrolyte ions in an electrode provided by using a typical electrode mate ri al and an electrode according to an embodiment, in which 2 (a) is an electrode provided using carbon powder, such as …
FIG 3 is a schematic view illustrating an electrode of a supercapacitor according to an embodiment of the present invention,
FIGS 4 (a) through 4 (e) are schematic views illustrating a method of manufactu ri ng an electrode structure according to an embodiment of the present invention,
FIG 5 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 6M potassium hydroxide (KOH) electrolyte,
FIG 6 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 6M KOH electrolyte,
FIG 7 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 1 M sulfu ri c acid (H₂S O 4) electrolyte,
FIG 8 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 1 M H₂S O 4 electrolyte,
FIG 9 is a graph illustrating specific capacitance measurements of a coin cell of Example 3 using a 1 M 1 -butyl-3-methylimidazolium tetrafluoroborate (BMIM BF₄) electrolyte according to a scan rate,
FIG 10 is a graph illustrating galvano charging/discharging of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte, and
FIG 11 is a graph illustrating impedance measurements of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte 4 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An electrode structure comprising: a rolled graphene film which is wound about a central axis, and a nanomaterial dispersed on a surface of the rolled graphene film, the nanomaterial providing a space between facing surfaces of the rolled graphene film, wherein the nanomaterial comprises carbon nanotubes, fullerene, carbon nanowires, carbon nanofibers, or a combination thereof. Previously presented
(Ori g inal) The electrode structure of claim 1, wherein the graphene film comprises: a single graphene sheet or a laminate of a plurality of graphene sheets. Original
(Ori g ina l) The electrode structure of claim 1, wherein an average thickness of the graphene film is about 1,000 micrometers or less. Original
The electrode structure of claim 1, wherein the graphene film is porous. Original
The electrode structure of claim 1, wherein the nanomaterial has a shape of a discrete particle, a tube, a wire, a rod, a fiber or a non-uniform, non-discrete bulk unit, or a combined shape thereof. Original
The electrode structure of claim 1, wherein an average diameter of the nanomaterial is in a range of about 1 nanometer to about 200 nanometers. Original
The electrode structure of claim 1, wherein the nanomaterial is dispersed on the surface of the graphene film without agglomeration. Original
The electrode structure of claim 1, wherein a content of the nanomaterial is in a range of about 1 wt% to about 50 wt% based on a total weight of the nanomaterial and the graphene film. Original
The electrode structure of claim 1, wherein a top or bottom surface of the electrode structure has a shape of in a circular form, an elliptical form or a polygonal form. Original
The electrode structure of claim 1, wherein a thickness of the electrode structure is in a range of about 10 micrometers to about 1,000 micrometers, taken along the central axis. Original
The electrode structure of claim 1, wherein a density of the electrode structure is in a range of about 0.1 gram per cubic centimeter to about 1.5 grams per cubic centimeter. Original
An electric device comprising: an electrode, the electrode comprising: a current collector; and the electrode structure of claim 1, on the current collector. Original
Canceled
A method of manufacturing an electrode structure, the method comprising: providing a graphene oxide film comprising a nanomaterial dispersed on a surface thereof; winding the graphene oxide film about a central axis; separating a portion of the wound graphene oxide film from a remainder of the wound graphene oxide film; and reducing the separated portion of the wound graphene oxide film. Withdrawn
The method of claim 17, further comprising providing an organic solvent on the surface of the graphene oxide film, before the winding the graphene oxide film. Withdrawn
The method of claim 17, wherein the separating a portion of the wound graphene oxide film comprises laser cutting or cutting with a blade. Withdrawn
The method of claim 17, wherein the reducing the separated portion of the wound graphene oxide film comprises chemical reduction, thermal reduction or thermal-chemical reduction. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
rolled graphene film electrode structure
electric device with rolled graphene electrode
Materials described outside the worked examples.
graphene film
carbon nanotubes
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG 5 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 6M potassium hydroxide (KOH) electrolyte,
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average thickness of graphene film (claimed upper bound) | ≤ 1000 micrometer | graphene film |
average diameter of nanomaterial (claimed range) | 1–200 nanometer |
Patent
Atlas literature
Patent
US 9,978,534Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS 1 (a) through 1 (c) illustrate an electrode structure according to an embodiment of the present invention, 3 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
FIG 2 schematically illustrates differences between diffusion of an electrolyte and migration paths of electrolyte ions in an electrode provided by using a typical electrode mate ri al and an electrode according to an embodiment, in which 2 (a) is an electrode provided using carbon powder, such as …
FIG 3 is a schematic view illustrating an electrode of a supercapacitor according to an embodiment of the present invention,
FIGS 4 (a) through 4 (e) are schematic views illustrating a method of manufactu ri ng an electrode structure according to an embodiment of the present invention,
FIG 5 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 6M potassium hydroxide (KOH) electrolyte,
FIG 6 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 6M KOH electrolyte,
FIG 7 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 1 M sulfu ri c acid (H₂S O 4) electrolyte,
FIG 8 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 1 M H₂S O 4 electrolyte,
FIG 9 is a graph illustrating specific capacitance measurements of a coin cell of Example 3 using a 1 M 1 -butyl-3-methylimidazolium tetrafluoroborate (BMIM BF₄) electrolyte according to a scan rate,
FIG 10 is a graph illustrating galvano charging/discharging of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte, and
FIG 11 is a graph illustrating impedance measurements of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte 4 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An electrode structure comprising: a rolled graphene film which is wound about a central axis, and a nanomaterial dispersed on a surface of the rolled graphene film, the nanomaterial providing a space between facing surfaces of the rolled graphene film, wherein the nanomaterial comprises carbon nanotubes, fullerene, carbon nanowires, carbon nanofibers, or a combination thereof. Previously presented
(Ori g inal) The electrode structure of claim 1, wherein the graphene film comprises: a single graphene sheet or a laminate of a plurality of graphene sheets. Original
(Ori g ina l) The electrode structure of claim 1, wherein an average thickness of the graphene film is about 1,000 micrometers or less. Original
The electrode structure of claim 1, wherein the graphene film is porous. Original
The electrode structure of claim 1, wherein the nanomaterial has a shape of a discrete particle, a tube, a wire, a rod, a fiber or a non-uniform, non-discrete bulk unit, or a combined shape thereof. Original
The electrode structure of claim 1, wherein an average diameter of the nanomaterial is in a range of about 1 nanometer to about 200 nanometers. Original
The electrode structure of claim 1, wherein the nanomaterial is dispersed on the surface of the graphene film without agglomeration. Original
The electrode structure of claim 1, wherein a content of the nanomaterial is in a range of about 1 wt% to about 50 wt% based on a total weight of the nanomaterial and the graphene film. Original
The electrode structure of claim 1, wherein a top or bottom surface of the electrode structure has a shape of in a circular form, an elliptical form or a polygonal form. Original
The electrode structure of claim 1, wherein a thickness of the electrode structure is in a range of about 10 micrometers to about 1,000 micrometers, taken along the central axis. Original
The electrode structure of claim 1, wherein a density of the electrode structure is in a range of about 0.1 gram per cubic centimeter to about 1.5 grams per cubic centimeter. Original
An electric device comprising: an electrode, the electrode comprising: a current collector; and the electrode structure of claim 1, on the current collector. Original
Canceled
A method of manufacturing an electrode structure, the method comprising: providing a graphene oxide film comprising a nanomaterial dispersed on a surface thereof; winding the graphene oxide film about a central axis; separating a portion of the wound graphene oxide film from a remainder of the wound graphene oxide film; and reducing the separated portion of the wound graphene oxide film. Withdrawn
The method of claim 17, further comprising providing an organic solvent on the surface of the graphene oxide film, before the winding the graphene oxide film. Withdrawn
The method of claim 17, wherein the separating a portion of the wound graphene oxide film comprises laser cutting or cutting with a blade. Withdrawn
The method of claim 17, wherein the reducing the separated portion of the wound graphene oxide film comprises chemical reduction, thermal reduction or thermal-chemical reduction. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
rolled graphene film electrode structure
electric device with rolled graphene electrode
Materials described outside the worked examples.
graphene film
carbon nanotubes
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG 5 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 6M potassium hydroxide (KOH) electrolyte,
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average thickness of graphene film (claimed upper bound) | ≤ 1000 micrometer | graphene film |
average diameter of nanomaterial (claimed range) | 1–200 nanometer |
fullerene
carbon nanowires
carbon nanofibers
graphene oxide film
activated carbon
carbon black
FIG 6 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 6M KOH electrolyte,
FIG 7 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 1 M sulfu ri c acid (H₂S O 4) electrolyte,
FIG 8 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 1 M H₂S O 4 electrolyte,
FIG 9 is a graph illustrating specific capacitance measurements of a coin cell of Example 3 using a 1 M 1 -butyl-3-methylimidazolium tetrafluoroborate (BMIM BF₄) electrolyte according to a scan rate,
FIG 10 is a graph illustrating galvano charging/discharging of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte, and
FIG 11 is a graph illustrating impedance measurements of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte 4 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
nanomaterial content wt% (claimed range) | 1–50 wt% | — |
thickness of electrode structure along central axis (claimed range) | 10–1000 micrometer | — |
density of electrode structure (claimed range) | 0.1–1.5 g/cc | — |
Thickness | 1–200 nm | — |
Thickness | 1–100 nm | — |
Thickness | 2–100 nm | — |
Thickness | 2–10 nm | — |
Thickness | 10–1000 µm | — |
fullerene
carbon nanowires
carbon nanofibers
graphene oxide film
activated carbon
carbon black
FIG 6 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 6M KOH electrolyte,
FIG 7 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 1 M sulfu ri c acid (H₂S O 4) electrolyte,
FIG 8 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 1 M H₂S O 4 electrolyte,
FIG 9 is a graph illustrating specific capacitance measurements of a coin cell of Example 3 using a 1 M 1 -butyl-3-methylimidazolium tetrafluoroborate (BMIM BF₄) electrolyte according to a scan rate,
FIG 10 is a graph illustrating galvano charging/discharging of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte, and
FIG 11 is a graph illustrating impedance measurements of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte 4 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
nanomaterial content wt% (claimed range) | 1–50 wt% | — |
thickness of electrode structure along central axis (claimed range) | 10–1000 micrometer | — |
density of electrode structure (claimed range) | 0.1–1.5 g/cc | — |
Thickness | 1–200 nm | — |
Thickness | 1–100 nm | — |
Thickness | 2–100 nm | — |
Thickness | 2–10 nm | — |
Thickness | 10–1000 µm | — |
fullerene
carbon nanowires
carbon nanofibers
graphene oxide film
activated carbon
carbon black
FIG 6 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 6M KOH electrolyte,
FIG 7 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 1 M sulfu ri c acid (H₂S O 4) electrolyte,
FIG 8 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 1 M H₂S O 4 electrolyte,
FIG 9 is a graph illustrating specific capacitance measurements of a coin cell of Example 3 using a 1 M 1 -butyl-3-methylimidazolium tetrafluoroborate (BMIM BF₄) electrolyte according to a scan rate,
FIG 10 is a graph illustrating galvano charging/discharging of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte, and
FIG 11 is a graph illustrating impedance measurements of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte 4 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
nanomaterial content wt% (claimed range) | 1–50 wt% | — |
thickness of electrode structure along central axis (claimed range) | 10–1000 micrometer | — |
density of electrode structure (claimed range) | 0.1–1.5 g/cc | — |
Thickness | 1–200 nm | — |
Thickness | 1–100 nm | — |
Thickness | 2–100 nm | — |
Thickness | 2–10 nm | — |
Thickness | 10–1000 µm | — |
fullerene
carbon nanowires
carbon nanofibers
graphene oxide film
activated carbon
carbon black
FIG 6 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 6M KOH electrolyte,
FIG 7 is a graph illustrating current density measurements of a proto-type cell of Example 2 using a 1 M sulfu ri c acid (H₂S O 4) electrolyte,
FIG 8 is a graph illustrating specific capacitance measurements of the proto-type cell of Example 2 using the 1 M H₂S O 4 electrolyte,
FIG 9 is a graph illustrating specific capacitance measurements of a coin cell of Example 3 using a 1 M 1 -butyl-3-methylimidazolium tetrafluoroborate (BMIM BF₄) electrolyte according to a scan rate,
FIG 10 is a graph illustrating galvano charging/discharging of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte, and
FIG 11 is a graph illustrating impedance measurements of the coin cell of Example 3 using the 1 M BMIM BF₄ electrolyte 4 RE-201207-0 1 4-1-US O SI -41777-US YPL₁₂₈₄US
nanomaterial content wt% (claimed range) | 1–50 wt% | — |
thickness of electrode structure along central axis (claimed range) | 10–1000 micrometer | — |
density of electrode structure (claimed range) | 0.1–1.5 g/cc | — |
Thickness | 1–200 nm | — |
Thickness | 1–100 nm | — |
Thickness | 2–100 nm | — |
Thickness | 2–10 nm | — |
Thickness | 10–1000 µm | — |