Patent
US 10,381,646SECONDARY BATTERY, GRAPHENE OXIDE, AND MANUFACTURING METHOD THEREOF
Yumiko YONEDA
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,381,646Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows an example of a manufac t uring flow of one embodiment of the present invention;
FIGS. 2A to 2C illustrate a coin-type storage battery; 5
FIGS. 3A and 3B illustrate a cylindrical storage battery;
FIGS. 4A and 4B illustrate a laminated storage battery;
FIGS. 5 A and 5 B illustrate application modes of a power storage device; F IG. 6 is a graph showing XR D measurement results;
FIG. 6, first-stage expansion graphite is obtained and the XRD spectr um suggests that the interlayer distance is approximately 8.02 angstroms.
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 8 is a cross-sectional SEM photograph of expansion graphite; and
FIG. 9 is a graph showing XRD measurement results.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for manufacturing a graphene compound, comprising the steps of: inserting sulfuric acid between la y ers of graphite; washing the graphite with an aqueous solution containing sulfate or an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; performing ultrasonic treatment on the expanded graphite to form a peeled graphite layer; and oxidizing the graphite layer to form the graphene compound. Currently amended
The method for manufacturing a graphene compound according to claim 1, wherein the sulfate is magnesium sulfate, potassium sulfate, or titanium sulfate. Original
The method for manufacturing a graphene compound according to claim 1, wherein the graphite is flake graphite. Original
The method for manufacturing a graphene compound according to claim 1, wherein the ultrasonic treatment is performed while the expanded graphite is in a dispersion medium. Original
The method for manufacturing a graphene compound according to claim 1, wherein the aqueous solution containing sulfate is a saturated aqueous solution of magnesium sulfate, a saturated aqueous solution of potassium sulfate, or a saturated aqueous solution of titanium sulfate. Original
The method for manufacturing a graphene compound according to claim 1, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
A method for manufacturing a graphene compound, comprising the steps of: inserting sulfuric acid between layers of graphite; washing the graphite with an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; oxidizing the expanded graphite; and performing ultrasonic treatment on the expanded graphite after the step of oxidizing to form a peeled graphene compound. Currently amended
The method for manufacturing a graphene compound according to claim 6, wherein the organic solvent is y-butyrolactone. Original
The method for manufacturing a graphene compound according to claim 6, wherein the graphite is flake graphite. Original
The method for manufacturing a graphene compound according to claim 6, wherein the ultrasonic treatment is performed while the expanded graphite is in a dispersion medium. Original
The method for manufacturing a graphene compound according to claim 6, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
A method for manufacturing a secondary battery, comprising the steps of: inserting sulfuric acid between layers of graphite; washing the graphite with an aqueous solution containing sulfate or an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; performing ultrasonic treatment to form a peeled graphite layer; performing oxidation before or after the ultrasonic treatment to form a graphene compound; mixing the oxidized graphene compound with an active material to form a paste; applying the paste on a current collector to form a first electrode; and overlapping the first electrode and a second electrode with a separator positioned therebetween. Currently amended
The method for manufacturing a secondary battery according to claim 10, wherein the aqueous solution containing sulfate is a saturated aqueous solution of magnesium sulfate, a saturated aqueous solution of potassium sulfate, or a saturated aqueous solution of titanium sulfate. Original
The method for manufacturing a secondary battery according to claim 10, wherein the organic solvent is y-butyrolactone. Original
The method for manufacturing a graphene compound according to claim 10, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
Layer stacks claimed or described, ordered top of device to substrate.
secondary battery
Materials described outside the worked examples.
sulfuric acid
H₂SO₄
graphite
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 5 A and 5 B illustrate application modes of a power storage device; F IG. 6 is a graph showing XR D measurement results;
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Voltage | 0.3–1 V | — |
Duration | 5–48 hours |
Related documents with shared materials, methods, properties, or citations.
METHOD FOR PREPARING METAL OXIDE NANOPARTICLE/GRAPHENE COMPOSITE USING SUPERCRITICAL FLUID AND METAL OXIDE NANOPARTICLE/GRAPHENE COMPOSITE PREPARED BY THE SAME
METHOD FOR PRODUCING GALLIUM NITRIDE CRYSTAL BY REACTING METAL GALLIUM AND IRON NITRIDE
Patent
Atlas literature
Patent
US 10,381,646Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows an example of a manufac t uring flow of one embodiment of the present invention;
FIGS. 2A to 2C illustrate a coin-type storage battery; 5
FIGS. 3A and 3B illustrate a cylindrical storage battery;
FIGS. 4A and 4B illustrate a laminated storage battery;
FIGS. 5 A and 5 B illustrate application modes of a power storage device; F IG. 6 is a graph showing XR D measurement results;
FIG. 6, first-stage expansion graphite is obtained and the XRD spectr um suggests that the interlayer distance is approximately 8.02 angstroms.
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 8 is a cross-sectional SEM photograph of expansion graphite; and
FIG. 9 is a graph showing XRD measurement results.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for manufacturing a graphene compound, comprising the steps of: inserting sulfuric acid between la y ers of graphite; washing the graphite with an aqueous solution containing sulfate or an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; performing ultrasonic treatment on the expanded graphite to form a peeled graphite layer; and oxidizing the graphite layer to form the graphene compound. Currently amended
The method for manufacturing a graphene compound according to claim 1, wherein the sulfate is magnesium sulfate, potassium sulfate, or titanium sulfate. Original
The method for manufacturing a graphene compound according to claim 1, wherein the graphite is flake graphite. Original
The method for manufacturing a graphene compound according to claim 1, wherein the ultrasonic treatment is performed while the expanded graphite is in a dispersion medium. Original
The method for manufacturing a graphene compound according to claim 1, wherein the aqueous solution containing sulfate is a saturated aqueous solution of magnesium sulfate, a saturated aqueous solution of potassium sulfate, or a saturated aqueous solution of titanium sulfate. Original
The method for manufacturing a graphene compound according to claim 1, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
A method for manufacturing a graphene compound, comprising the steps of: inserting sulfuric acid between layers of graphite; washing the graphite with an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; oxidizing the expanded graphite; and performing ultrasonic treatment on the expanded graphite after the step of oxidizing to form a peeled graphene compound. Currently amended
The method for manufacturing a graphene compound according to claim 6, wherein the organic solvent is y-butyrolactone. Original
The method for manufacturing a graphene compound according to claim 6, wherein the graphite is flake graphite. Original
The method for manufacturing a graphene compound according to claim 6, wherein the ultrasonic treatment is performed while the expanded graphite is in a dispersion medium. Original
The method for manufacturing a graphene compound according to claim 6, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
A method for manufacturing a secondary battery, comprising the steps of: inserting sulfuric acid between layers of graphite; washing the graphite with an aqueous solution containing sulfate or an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; performing ultrasonic treatment to form a peeled graphite layer; performing oxidation before or after the ultrasonic treatment to form a graphene compound; mixing the oxidized graphene compound with an active material to form a paste; applying the paste on a current collector to form a first electrode; and overlapping the first electrode and a second electrode with a separator positioned therebetween. Currently amended
The method for manufacturing a secondary battery according to claim 10, wherein the aqueous solution containing sulfate is a saturated aqueous solution of magnesium sulfate, a saturated aqueous solution of potassium sulfate, or a saturated aqueous solution of titanium sulfate. Original
The method for manufacturing a secondary battery according to claim 10, wherein the organic solvent is y-butyrolactone. Original
The method for manufacturing a graphene compound according to claim 10, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
Layer stacks claimed or described, ordered top of device to substrate.
secondary battery
Materials described outside the worked examples.
sulfuric acid
H₂SO₄
graphite
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 5 A and 5 B illustrate application modes of a power storage device; F IG. 6 is a graph showing XR D measurement results;
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Voltage | 0.3–1 V | — |
Duration | 5–48 hours |
Related documents with shared materials, methods, properties, or citations.
METHOD FOR PREPARING METAL OXIDE NANOPARTICLE/GRAPHENE COMPOSITE USING SUPERCRITICAL FLUID AND METAL OXIDE NANOPARTICLE/GRAPHENE COMPOSITE PREPARED BY THE SAME
METHOD FOR PRODUCING GALLIUM NITRIDE CRYSTAL BY REACTING METAL GALLIUM AND IRON NITRIDE
Patent
Atlas literature
Patent
US 10,381,646Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows an example of a manufac t uring flow of one embodiment of the present invention;
FIGS. 2A to 2C illustrate a coin-type storage battery; 5
FIGS. 3A and 3B illustrate a cylindrical storage battery;
FIGS. 4A and 4B illustrate a laminated storage battery;
FIGS. 5 A and 5 B illustrate application modes of a power storage device; F IG. 6 is a graph showing XR D measurement results;
FIG. 6, first-stage expansion graphite is obtained and the XRD spectr um suggests that the interlayer distance is approximately 8.02 angstroms.
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 8 is a cross-sectional SEM photograph of expansion graphite; and
FIG. 9 is a graph showing XRD measurement results.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for manufacturing a graphene compound, comprising the steps of: inserting sulfuric acid between la y ers of graphite; washing the graphite with an aqueous solution containing sulfate or an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; performing ultrasonic treatment on the expanded graphite to form a peeled graphite layer; and oxidizing the graphite layer to form the graphene compound. Currently amended
The method for manufacturing a graphene compound according to claim 1, wherein the sulfate is magnesium sulfate, potassium sulfate, or titanium sulfate. Original
The method for manufacturing a graphene compound according to claim 1, wherein the graphite is flake graphite. Original
The method for manufacturing a graphene compound according to claim 1, wherein the ultrasonic treatment is performed while the expanded graphite is in a dispersion medium. Original
The method for manufacturing a graphene compound according to claim 1, wherein the aqueous solution containing sulfate is a saturated aqueous solution of magnesium sulfate, a saturated aqueous solution of potassium sulfate, or a saturated aqueous solution of titanium sulfate. Original
The method for manufacturing a graphene compound according to claim 1, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
A method for manufacturing a graphene compound, comprising the steps of: inserting sulfuric acid between layers of graphite; washing the graphite with an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; oxidizing the expanded graphite; and performing ultrasonic treatment on the expanded graphite after the step of oxidizing to form a peeled graphene compound. Currently amended
The method for manufacturing a graphene compound according to claim 6, wherein the organic solvent is y-butyrolactone. Original
The method for manufacturing a graphene compound according to claim 6, wherein the graphite is flake graphite. Original
The method for manufacturing a graphene compound according to claim 6, wherein the ultrasonic treatment is performed while the expanded graphite is in a dispersion medium. Original
The method for manufacturing a graphene compound according to claim 6, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
A method for manufacturing a secondary battery, comprising the steps of: inserting sulfuric acid between layers of graphite; washing the graphite with an aqueous solution containing sulfate or an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; performing ultrasonic treatment to form a peeled graphite layer; performing oxidation before or after the ultrasonic treatment to form a graphene compound; mixing the oxidized graphene compound with an active material to form a paste; applying the paste on a current collector to form a first electrode; and overlapping the first electrode and a second electrode with a separator positioned therebetween. Currently amended
The method for manufacturing a secondary battery according to claim 10, wherein the aqueous solution containing sulfate is a saturated aqueous solution of magnesium sulfate, a saturated aqueous solution of potassium sulfate, or a saturated aqueous solution of titanium sulfate. Original
The method for manufacturing a secondary battery according to claim 10, wherein the organic solvent is y-butyrolactone. Original
The method for manufacturing a graphene compound according to claim 10, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
Layer stacks claimed or described, ordered top of device to substrate.
secondary battery
Materials described outside the worked examples.
sulfuric acid
H₂SO₄
graphite
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 5 A and 5 B illustrate application modes of a power storage device; F IG. 6 is a graph showing XR D measurement results;
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Voltage | 0.3–1 V | — |
Duration | 5–48 hours |
Related documents with shared materials, methods, properties, or citations.
METHOD FOR PREPARING METAL OXIDE NANOPARTICLE/GRAPHENE COMPOSITE USING SUPERCRITICAL FLUID AND METAL OXIDE NANOPARTICLE/GRAPHENE COMPOSITE PREPARED BY THE SAME
METHOD FOR PRODUCING GALLIUM NITRIDE CRYSTAL BY REACTING METAL GALLIUM AND IRON NITRIDE
Patent
Atlas literature
Patent
US 10,381,646Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows an example of a manufac t uring flow of one embodiment of the present invention;
FIGS. 2A to 2C illustrate a coin-type storage battery; 5
FIGS. 3A and 3B illustrate a cylindrical storage battery;
FIGS. 4A and 4B illustrate a laminated storage battery;
FIGS. 5 A and 5 B illustrate application modes of a power storage device; F IG. 6 is a graph showing XR D measurement results;
FIG. 6, first-stage expansion graphite is obtained and the XRD spectr um suggests that the interlayer distance is approximately 8.02 angstroms.
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 8 is a cross-sectional SEM photograph of expansion graphite; and
FIG. 9 is a graph showing XRD measurement results.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for manufacturing a graphene compound, comprising the steps of: inserting sulfuric acid between la y ers of graphite; washing the graphite with an aqueous solution containing sulfate or an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; performing ultrasonic treatment on the expanded graphite to form a peeled graphite layer; and oxidizing the graphite layer to form the graphene compound. Currently amended
The method for manufacturing a graphene compound according to claim 1, wherein the sulfate is magnesium sulfate, potassium sulfate, or titanium sulfate. Original
The method for manufacturing a graphene compound according to claim 1, wherein the graphite is flake graphite. Original
The method for manufacturing a graphene compound according to claim 1, wherein the ultrasonic treatment is performed while the expanded graphite is in a dispersion medium. Original
The method for manufacturing a graphene compound according to claim 1, wherein the aqueous solution containing sulfate is a saturated aqueous solution of magnesium sulfate, a saturated aqueous solution of potassium sulfate, or a saturated aqueous solution of titanium sulfate. Original
The method for manufacturing a graphene compound according to claim 1, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
A method for manufacturing a graphene compound, comprising the steps of: inserting sulfuric acid between layers of graphite; washing the graphite with an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; oxidizing the expanded graphite; and performing ultrasonic treatment on the expanded graphite after the step of oxidizing to form a peeled graphene compound. Currently amended
The method for manufacturing a graphene compound according to claim 6, wherein the organic solvent is y-butyrolactone. Original
The method for manufacturing a graphene compound according to claim 6, wherein the graphite is flake graphite. Original
The method for manufacturing a graphene compound according to claim 6, wherein the ultrasonic treatment is performed while the expanded graphite is in a dispersion medium. Original
The method for manufacturing a graphene compound according to claim 6, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
A method for manufacturing a secondary battery, comprising the steps of: inserting sulfuric acid between layers of graphite; washing the graphite with an aqueous solution containing sulfate or an organic solvent after the step of inserting; heating the graphite after the step of washing to form expanded graphite; performing ultrasonic treatment to form a peeled graphite layer; performing oxidation before or after the ultrasonic treatment to form a graphene compound; mixing the oxidized graphene compound with an active material to form a paste; applying the paste on a current collector to form a first electrode; and overlapping the first electrode and a second electrode with a separator positioned therebetween. Currently amended
The method for manufacturing a secondary battery according to claim 10, wherein the aqueous solution containing sulfate is a saturated aqueous solution of magnesium sulfate, a saturated aqueous solution of potassium sulfate, or a saturated aqueous solution of titanium sulfate. Original
The method for manufacturing a secondary battery according to claim 10, wherein the organic solvent is y-butyrolactone. Original
The method for manufacturing a graphene compound according to claim 10, wherein the step of heating is performed at a temperature of 120 0 C or higher. New
Layer stacks claimed or described, ordered top of device to substrate.
secondary battery
Materials described outside the worked examples.
sulfuric acid
H₂SO₄
graphite
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 5 A and 5 B illustrate application modes of a power storage device; F IG. 6 is a graph showing XR D measurement results;
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Voltage | 0.3–1 V | — |
Duration | 5–48 hours |
Related documents with shared materials, methods, properties, or citations.
METHOD FOR PREPARING METAL OXIDE NANOPARTICLE/GRAPHENE COMPOSITE USING SUPERCRITICAL FLUID AND METAL OXIDE NANOPARTICLE/GRAPHENE COMPOSITE PREPARED BY THE SAME
METHOD FOR PRODUCING GALLIUM NITRIDE CRYSTAL BY REACTING METAL GALLIUM AND IRON NITRIDE
expanded graphite
graphene compound
magnesium sulfate
MgSO₄
potassium sulfate
K₂SO₄
titanium sulfate
Ti(SO₄)2
flake graphite
saturated aqueous solution of magnesium sulfate
saturated aqueous solution of potassium sulfate
saturated aqueous solution of titanium sulfate
organic solvent
γ-butyrolactone
hydrogen peroxide solution
H₂O₂
graphene oxide
FIG. 6, first-stage expansion graphite is obtained and the XRD spectr um suggests that the interlayer distance is approximately 8.02 angstroms.
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 8 is a cross-sectional SEM photograph of expansion graphite; and
FIG. 9 is a graph showing XRD measurement results.
FIG. 9 is a graph showing XRD measurement results.
| — |
expanded graphite
graphene compound
magnesium sulfate
MgSO₄
potassium sulfate
K₂SO₄
titanium sulfate
Ti(SO₄)2
flake graphite
saturated aqueous solution of magnesium sulfate
saturated aqueous solution of potassium sulfate
saturated aqueous solution of titanium sulfate
organic solvent
γ-butyrolactone
hydrogen peroxide solution
H₂O₂
graphene oxide
FIG. 6, first-stage expansion graphite is obtained and the XRD spectr um suggests that the interlayer distance is approximately 8.02 angstroms.
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 8 is a cross-sectional SEM photograph of expansion graphite; and
FIG. 9 is a graph showing XRD measurement results.
FIG. 9 is a graph showing XRD measurement results.
| — |
expanded graphite
graphene compound
magnesium sulfate
MgSO₄
potassium sulfate
K₂SO₄
titanium sulfate
Ti(SO₄)2
flake graphite
saturated aqueous solution of magnesium sulfate
saturated aqueous solution of potassium sulfate
saturated aqueous solution of titanium sulfate
organic solvent
γ-butyrolactone
hydrogen peroxide solution
H₂O₂
graphene oxide
FIG. 6, first-stage expansion graphite is obtained and the XRD spectr um suggests that the interlayer distance is approximately 8.02 angstroms.
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 8 is a cross-sectional SEM photograph of expansion graphite; and
FIG. 9 is a graph showing XRD measurement results.
FIG. 9 is a graph showing XRD measurement results.
| — |
expanded graphite
graphene compound
magnesium sulfate
MgSO₄
potassium sulfate
K₂SO₄
titanium sulfate
Ti(SO₄)2
flake graphite
saturated aqueous solution of magnesium sulfate
saturated aqueous solution of potassium sulfate
saturated aqueous solution of titanium sulfate
organic solvent
γ-butyrolactone
hydrogen peroxide solution
H₂O₂
graphene oxide
FIG. 6, first-stage expansion graphite is obtained and the XRD spectr um suggests that the interlayer distance is approximately 8.02 angstroms.
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 7 is a graph showing XRD measurement results; 10
FIG. 8 is a cross-sectional SEM photograph of expansion graphite; and
FIG. 9 is a graph showing XRD measurement results.
FIG. 9 is a graph showing XRD measurement results.
| — |