Patent
US 11,492,720High-Performance Solid-State Supercapacitors and Microsupercapacitors Derived from Printable Graphene Inks
Mark C. Hersam
US
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Patent
Atlas literature
Patent
US 11,492,720Patent 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.
,,,,-s,,,,,,,,,. Canceled
The method of claim [[1]] 27 wherein said deposition comprises inkjet printing said graphene ink composition on said substrate, to provide a mi crosupercapacitor. Currently amended
The method of claim [[1]] 27 wherein said deposition is selected from blade coating and spin coating said graphene ink composition on said substrate. Currently amended
The method of claim [[1]] 27 wherein two said capacitors are in a sandwich configuration to provide a supercapacitor such that two said electrode components, two said electrolytes and two said metallic lead components are positioned between two said substrates. Currently amended
The method of claim [[1]] 27 wherein said electrolyte is dried to provide an all solid-state capacitor. Currently amended
The method of claim [[1]] 27 wherein said deposition is on a flexible polymeric substrate. Currently amended
. Canceled
The method of claim [[1]] 27 wherein said provision of said ink composition comprises: exfoliating a graphene source material with a medium comprising an organic solvent at least partially miscible with water, and an ethyl cellulose dispersing agent at least partially soluble in said organic solvent; contacting at least a portion of said exfoliated graphene medium with an aqueous medium to concentrate exfoliated graphene in a solid composition comprising graphene and said ethyl cellulose; isolating said solid composition from said media; and contacting said solid composition with said ink solvent. Currently amended
The method of claim [[1]] 27 wherein a plurality of said capacitors are arranged in a configuration selected from series and parallel configurations. Currently amended
10-25.. Canceled
Canceled
,,,. Canceled
A method of fabricating a graphene capacitor, said method comprising: providing a graphene ink composition comprising graphene, an ethyl cellulose and an ink solvent, said graphene ink composition not prepared from graphene oxide, wherein said ink solvent comprises 80:15:5 v/v cyclohexanone, terpineol and di(ethylene glycol) methyl ether; depositing said graphene ink composition on a substrate; annealing said graphene ink composition to decompose said ethyl cellulose and provide an electrode component comprising graphene; and coupling an electrolyte and a metallic lead component to said electrode component, to provide said graphene capacitor, wherein said capacitor is absent a separate current collector component. Previously presented
28-31. Canceled
Canceled
The method of claim [[1]] 27 wherein said annealing said graphene ink composition is performed at 350 ° C for 4 hours. Currently amended
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
microsupercapacitor
all-solid-state supercapacitor
Materials described outside the worked examples.
graphene
ethyl cellulose
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
durability. These results provide a compelling platform to simplify energy storage device fabrication processes, with promise for scalable manufacturing, digital device design, and direct integration with printed electronic systems. Overall, the design strateg
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
printed graphene film conductivity | ~1e4 S/m | graphene |
Thickness | 30–2000 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,492,720Patent 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.
,,,,-s,,,,,,,,,. Canceled
The method of claim [[1]] 27 wherein said deposition comprises inkjet printing said graphene ink composition on said substrate, to provide a mi crosupercapacitor. Currently amended
The method of claim [[1]] 27 wherein said deposition is selected from blade coating and spin coating said graphene ink composition on said substrate. Currently amended
The method of claim [[1]] 27 wherein two said capacitors are in a sandwich configuration to provide a supercapacitor such that two said electrode components, two said electrolytes and two said metallic lead components are positioned between two said substrates. Currently amended
The method of claim [[1]] 27 wherein said electrolyte is dried to provide an all solid-state capacitor. Currently amended
The method of claim [[1]] 27 wherein said deposition is on a flexible polymeric substrate. Currently amended
. Canceled
The method of claim [[1]] 27 wherein said provision of said ink composition comprises: exfoliating a graphene source material with a medium comprising an organic solvent at least partially miscible with water, and an ethyl cellulose dispersing agent at least partially soluble in said organic solvent; contacting at least a portion of said exfoliated graphene medium with an aqueous medium to concentrate exfoliated graphene in a solid composition comprising graphene and said ethyl cellulose; isolating said solid composition from said media; and contacting said solid composition with said ink solvent. Currently amended
The method of claim [[1]] 27 wherein a plurality of said capacitors are arranged in a configuration selected from series and parallel configurations. Currently amended
10-25.. Canceled
Canceled
,,,. Canceled
A method of fabricating a graphene capacitor, said method comprising: providing a graphene ink composition comprising graphene, an ethyl cellulose and an ink solvent, said graphene ink composition not prepared from graphene oxide, wherein said ink solvent comprises 80:15:5 v/v cyclohexanone, terpineol and di(ethylene glycol) methyl ether; depositing said graphene ink composition on a substrate; annealing said graphene ink composition to decompose said ethyl cellulose and provide an electrode component comprising graphene; and coupling an electrolyte and a metallic lead component to said electrode component, to provide said graphene capacitor, wherein said capacitor is absent a separate current collector component. Previously presented
28-31. Canceled
Canceled
The method of claim [[1]] 27 wherein said annealing said graphene ink composition is performed at 350 ° C for 4 hours. Currently amended
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
microsupercapacitor
all-solid-state supercapacitor
Materials described outside the worked examples.
graphene
ethyl cellulose
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
durability. These results provide a compelling platform to simplify energy storage device fabrication processes, with promise for scalable manufacturing, digital device design, and direct integration with printed electronic systems. Overall, the design strateg
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
printed graphene film conductivity | ~1e4 S/m | graphene |
Thickness | 30–2000 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,492,720Patent 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.
,,,,-s,,,,,,,,,. Canceled
The method of claim [[1]] 27 wherein said deposition comprises inkjet printing said graphene ink composition on said substrate, to provide a mi crosupercapacitor. Currently amended
The method of claim [[1]] 27 wherein said deposition is selected from blade coating and spin coating said graphene ink composition on said substrate. Currently amended
The method of claim [[1]] 27 wherein two said capacitors are in a sandwich configuration to provide a supercapacitor such that two said electrode components, two said electrolytes and two said metallic lead components are positioned between two said substrates. Currently amended
The method of claim [[1]] 27 wherein said electrolyte is dried to provide an all solid-state capacitor. Currently amended
The method of claim [[1]] 27 wherein said deposition is on a flexible polymeric substrate. Currently amended
. Canceled
The method of claim [[1]] 27 wherein said provision of said ink composition comprises: exfoliating a graphene source material with a medium comprising an organic solvent at least partially miscible with water, and an ethyl cellulose dispersing agent at least partially soluble in said organic solvent; contacting at least a portion of said exfoliated graphene medium with an aqueous medium to concentrate exfoliated graphene in a solid composition comprising graphene and said ethyl cellulose; isolating said solid composition from said media; and contacting said solid composition with said ink solvent. Currently amended
The method of claim [[1]] 27 wherein a plurality of said capacitors are arranged in a configuration selected from series and parallel configurations. Currently amended
10-25.. Canceled
Canceled
,,,. Canceled
A method of fabricating a graphene capacitor, said method comprising: providing a graphene ink composition comprising graphene, an ethyl cellulose and an ink solvent, said graphene ink composition not prepared from graphene oxide, wherein said ink solvent comprises 80:15:5 v/v cyclohexanone, terpineol and di(ethylene glycol) methyl ether; depositing said graphene ink composition on a substrate; annealing said graphene ink composition to decompose said ethyl cellulose and provide an electrode component comprising graphene; and coupling an electrolyte and a metallic lead component to said electrode component, to provide said graphene capacitor, wherein said capacitor is absent a separate current collector component. Previously presented
28-31. Canceled
Canceled
The method of claim [[1]] 27 wherein said annealing said graphene ink composition is performed at 350 ° C for 4 hours. Currently amended
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
microsupercapacitor
all-solid-state supercapacitor
Materials described outside the worked examples.
graphene
ethyl cellulose
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
durability. These results provide a compelling platform to simplify energy storage device fabrication processes, with promise for scalable manufacturing, digital device design, and direct integration with printed electronic systems. Overall, the design strateg
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
printed graphene film conductivity | ~1e4 S/m | graphene |
Thickness | 30–2000 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,492,720Patent 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.
,,,,-s,,,,,,,,,. Canceled
The method of claim [[1]] 27 wherein said deposition comprises inkjet printing said graphene ink composition on said substrate, to provide a mi crosupercapacitor. Currently amended
The method of claim [[1]] 27 wherein said deposition is selected from blade coating and spin coating said graphene ink composition on said substrate. Currently amended
The method of claim [[1]] 27 wherein two said capacitors are in a sandwich configuration to provide a supercapacitor such that two said electrode components, two said electrolytes and two said metallic lead components are positioned between two said substrates. Currently amended
The method of claim [[1]] 27 wherein said electrolyte is dried to provide an all solid-state capacitor. Currently amended
The method of claim [[1]] 27 wherein said deposition is on a flexible polymeric substrate. Currently amended
. Canceled
The method of claim [[1]] 27 wherein said provision of said ink composition comprises: exfoliating a graphene source material with a medium comprising an organic solvent at least partially miscible with water, and an ethyl cellulose dispersing agent at least partially soluble in said organic solvent; contacting at least a portion of said exfoliated graphene medium with an aqueous medium to concentrate exfoliated graphene in a solid composition comprising graphene and said ethyl cellulose; isolating said solid composition from said media; and contacting said solid composition with said ink solvent. Currently amended
The method of claim [[1]] 27 wherein a plurality of said capacitors are arranged in a configuration selected from series and parallel configurations. Currently amended
10-25.. Canceled
Canceled
,,,. Canceled
A method of fabricating a graphene capacitor, said method comprising: providing a graphene ink composition comprising graphene, an ethyl cellulose and an ink solvent, said graphene ink composition not prepared from graphene oxide, wherein said ink solvent comprises 80:15:5 v/v cyclohexanone, terpineol and di(ethylene glycol) methyl ether; depositing said graphene ink composition on a substrate; annealing said graphene ink composition to decompose said ethyl cellulose and provide an electrode component comprising graphene; and coupling an electrolyte and a metallic lead component to said electrode component, to provide said graphene capacitor, wherein said capacitor is absent a separate current collector component. Previously presented
28-31. Canceled
Canceled
The method of claim [[1]] 27 wherein said annealing said graphene ink composition is performed at 350 ° C for 4 hours. Currently amended
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
microsupercapacitor
all-solid-state supercapacitor
Materials described outside the worked examples.
graphene
ethyl cellulose
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
durability. These results provide a compelling platform to simplify energy storage device fabrication processes, with promise for scalable manufacturing, digital device design, and direct integration with printed electronic systems. Overall, the design strateg
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
printed graphene film conductivity | ~1e4 S/m | graphene |
Thickness | 30–2000 nm |
Related documents with shared materials, methods, properties, or citations.
organic solvent
ink solvent (80:15:5 v/v cyclohexanone, terpineol and di(ethylene glycol) methyl ether)
graphene ink composition
flexible polymeric substrate
cyclohexanone
terpineol
di(ethylene glycol) methyl ether
| — |
Voltage | 0–1 V | — |
organic solvent
ink solvent (80:15:5 v/v cyclohexanone, terpineol and di(ethylene glycol) methyl ether)
graphene ink composition
flexible polymeric substrate
cyclohexanone
terpineol
di(ethylene glycol) methyl ether
| — |
Voltage | 0–1 V | — |
organic solvent
ink solvent (80:15:5 v/v cyclohexanone, terpineol and di(ethylene glycol) methyl ether)
graphene ink composition
flexible polymeric substrate
cyclohexanone
terpineol
di(ethylene glycol) methyl ether
| — |
Voltage | 0–1 V | — |
organic solvent
ink solvent (80:15:5 v/v cyclohexanone, terpineol and di(ethylene glycol) methyl ether)
graphene ink composition
flexible polymeric substrate
cyclohexanone
terpineol
di(ethylene glycol) methyl ether
| — |
Voltage | 0–1 V | — |