Patent
US 9,017,756Continuous Process for Producing Spacer-Modified Nano Graphene Electrodes for Supercapacitors
Aruna Zhamu, Zhenning Yu, Chen-guang Liu, Bor Z. Jang
US
Copyright © 2026 Matter42. All rights reserved.
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG.1 A transmission electron microscopic image of NGPs without surface modification; 25 graphene sheets significantly overlap one another to reduce the …
FIG.2 SEM image of slightly surface-modified NGPs, showing some surface nodules.
FIG.3 An electrode structure comprising multiple surface-modified NGPs overlapped together, but slightly separated due to the presence of spacer nodules, …
FIG.4 (A) and (B) show the specific surface area and specific capacitance of electrodes containing carbon nodule-modified NGPs plotted as a function of the …
FIG.5 Schematic of a continuous process for producing porous solid mat, web, or paper for supercapacitor electrode applications.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
canceled
The process of claim 4- 23, wherein said graphene platelets comprise single-layer graphene.
The process of claim 4- 23, wherein said graphene platelets have an average thickness no greater than 2 nm or no more than 5 graphene layers per platelet. currently amended
canceled
The process of claim 4 23, wherein said precursor material contains a precursor to the group of materials consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof.
The process of claim 4 23, wherein said precursor material contains a precursor to the group of materials consisting of Ru O 2, IrO 2, Ni O, MnO2, VO X, TiO2, Cr₂ O3, Co₂O3, PbO2, Ag₂ O, MoC X, Mo₂N, WC X, WN X, and combinations thereof, and a binder resin. SVG 12655744.02-26-2015.I₆Z₅₅UBFPXXIFW4.CLM11743784.21.296.1876.2578.1936.svg 0.2 7.607 Graph Black and white currently amended
The process of claim 4-23, wherein said nodules have a height no less than 1 nm.
The process of claim 4- 23, wherein said nodules have a height no less than 2 nm. 11-13
The process of claim 4-23, wherein said modified nano graphene platelets exhibit a specific surface area greater than 2,600 m2/g.
canceled
canceled
canceled
canceled
The process of claim-23, further comprising a step of activating said surface-modified nano graphene platelets to form activated platelets. 2
The process of claim -1-23, further comprising a step of chemically functionalizing said spacer-modified nano graphene platelets to form functionalized platelets.
A process for ee ntinu eusly producing a porous solid film of spacer- modified nano graphene platelets or sheets for. use as a supercapacitor electrode, said process comprising: (a) dissolving a spacer precursor material in a solvent to form a precursor solution and dispersing multiple nano graphene platelets or sheets into said solution to form a suspension,- whe r ein-said (b) contimnusly delivering forming said suspension into a layer of solid film composed of precursor material-coated graphene platelets or sheets overlapping one another, and removing said solvent from said solid film; (c) eentinuetusby-c onverting said spacer precursor material into discrete, non-continuous, and nonmetallic nodules that are bonded to surfaces of said graphene platelets or sheets vi a- said bindef-resin to form a por ous so lid film c ompo s ed of s pacer-modified graphene platelets or sheets wherein said nodules serve as a spacer that prevents re-stacking of said graphene platelets or sheets with one another and said nodules are selected from the group consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof; and (d) ee ntinuo usly collecting said porous solid film on a collector.
(Previously Amended) The process of claim 18 wherein said step (b) comprises a paper-making procedure, a mat-making procedure, or a web-making procedure.
(Previously Amended) The process of claim 18 wherein said step (b) comprises delivering said suspension onto a moving substrate and forming said solid film thereon and said step (d) comprises collecting said porous solid film on a winding roller.
(Previously Amended) The process of claim 18 wherein said step (c) comprises heating said solid film.
(Previously Amended) The process of claim 18 wherein said step (a) further comprises adding a property-modifier material into said suspension wherein said property modifier is selected from the group consisting of carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nanofibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, nano particles of metal oxides excluding zinc oxide, particles of metal carbides, metal nitrides, metal sulfides, metal-halogen compounds, metal chalcogenides, and combinations thereof.
canceled
(Previously Amended) A process for continuously producing a solid film of spacer-modified 3 nano graphene platelets or sheets for supercapacitor applications, said process comprising: (a) dissolving a spacer precursor material in a solvent to form a precursor solution and dispersing multiple nano graphene platelets or sheets into said solution to form a suspension; (b) continuously delivering and forming said suspension into a layer of solid film composed of spacer precursor material-coated graphene platelets or sheets overlapping one another, and removing said solvent from said solid film; (c) continuously collecting said solid film on a collector; and (d) heating said solid film to convert said spacer precursor material into discrete, non-continuous, and nonmetallic nodules that are bonded to surfaces of sai d- graphene platelets or sheets to form a porous solid film composed of spacer-modified graphene platelets or sheets wherein said nodules serve as a spacer that prevents re-stacking of said graphene platelets or sheets with one another and said nodules are selected from the group consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof.
(Previously Amended) The process of claim 23 wherein said step (b) comprises a paper-making procedure, a mat-making procedure, or a web-making procedure.
(Previously Amended) The process of claim 23 wherein said step (b) comprises delivering said suspension onto a moving substrate and forming said solid film thereon and said step (c) comprises collecting said porous solid film on a winding roller.
(Previously Amended) The process of claim 23 wherein said step (a) further comprises adding a property-modifier material into said suspension wherein said property modifier is 4 selected from the group consisting of carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nano-fibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, nano particles of metal oxides excluding zinc oxide, particles of metal carbides, metal nitrides, metal sulfides, metal-halogen compounds, metal chalcogenides, and combinations thereof.
canceled
canceled
The process of claim 123, wherein said modified nano graphene platelets exhibit a specific surface area greater than 500 m2/g.
The process of claim 423, wherein said modified nano graphene platelets exhibit a specific surface area greater than 900 m2/g.
The process of claim 423, wherein said modified nano graphene platelets exhibit a specific surface area greater than 1,384 m2/g.
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor electrode (porous solid film of spacer-modified nano graphene platelets)
Materials described outside the worked examples.
nano graphene platelets
spacer nodules (metal oxide, metal carbide, metal nitride, metal sulfide, metal halide)
RuO₂
IrO₂
NiO
MnO₂
VOx
TiO₂
Cr₂O₃
Co₂O₃
PbO₂
Ag₂O
MoCx
Mo₂N
WCx
WNx
property-modifier materials (carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nanofibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, metal oxide nano particles, metal carbide particles, metal nitride particles, metal sulfide particles, metal-halogen compounds, metal chalcogenides)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG.1 A transmission electron microscopic image of NGPs without surface modification; 25 graphene sheets significantly overlap one another to reduce the …
FIG.2 SEM image of slightly surface-modified NGPs, showing some surface nodules.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
specific surface area of single graphene sheet (theoretical) | 2675 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 500 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 900 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 1384 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 2600 m2/g | nano graphene platelets |
Thickness | 2–200 nm | — |
Duration | 15–60 seconds | — |
Duration | 0.5–5 hours | — |
Temperature | 400–1200 °C | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 0.4 nm | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 10 nm | — |
Thickness | ≥ 2 nm | — |
Thickness | ≥ 0.4 nm | — |
Thickness | ≤ 2 nm | — |
Related documents with shared materials, methods, properties, or citations.
Spacer-modified graphene electrode for supercapacitor
Lithium super-battery with a functionalized nano graphene cathode
Aluminum Secondary Battery Cathode Having Oriented Graphene
MOLYBDENUM DISULFIDE/GRAPHENE/CARBON COMPOSITE MATERIAL AND USE THEREOF
POROUS PARTICLES OF INTERCONNECTED 3D GRAPHENE AS A SUPERCAPACITOR ELECTRODE ACTIVE MATERIAL AND PRODUCTION PROCESS
SPACER-MODIFIED NANO GRAPHENE ELECTRODES FOR SUPERCAPACITORS
METHOD FOR MANUFACTURING GRAPHENE-COATED OBJECT, NEGATIVE ELECTRODE OF SECONDARY BATTERY INCLUDING GRAPHENE-COATED OBJECT, AND SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE
Multi-Level Graphene-Protected Anode Active Material Particles for Battery Applications
Electrochemical production of graphene sheets directly from graphite mineral
GRAPHENE-COATED METAL OXIDE SPINEL CATHODES
SILICON-GRAPHENE NANOCOMPOSITES FOR ELECTROCHEMICAL APPLICATIONS
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG.1 A transmission electron microscopic image of NGPs without surface modification; 25 graphene sheets significantly overlap one another to reduce the …
FIG.2 SEM image of slightly surface-modified NGPs, showing some surface nodules.
FIG.3 An electrode structure comprising multiple surface-modified NGPs overlapped together, but slightly separated due to the presence of spacer nodules, …
FIG.4 (A) and (B) show the specific surface area and specific capacitance of electrodes containing carbon nodule-modified NGPs plotted as a function of the …
FIG.5 Schematic of a continuous process for producing porous solid mat, web, or paper for supercapacitor electrode applications.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
canceled
The process of claim 4- 23, wherein said graphene platelets comprise single-layer graphene.
The process of claim 4- 23, wherein said graphene platelets have an average thickness no greater than 2 nm or no more than 5 graphene layers per platelet. currently amended
canceled
The process of claim 4 23, wherein said precursor material contains a precursor to the group of materials consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof.
The process of claim 4 23, wherein said precursor material contains a precursor to the group of materials consisting of Ru O 2, IrO 2, Ni O, MnO2, VO X, TiO2, Cr₂ O3, Co₂O3, PbO2, Ag₂ O, MoC X, Mo₂N, WC X, WN X, and combinations thereof, and a binder resin. SVG 12655744.02-26-2015.I₆Z₅₅UBFPXXIFW4.CLM11743784.21.296.1876.2578.1936.svg 0.2 7.607 Graph Black and white currently amended
The process of claim 4-23, wherein said nodules have a height no less than 1 nm.
The process of claim 4- 23, wherein said nodules have a height no less than 2 nm. 11-13
The process of claim 4-23, wherein said modified nano graphene platelets exhibit a specific surface area greater than 2,600 m2/g.
canceled
canceled
canceled
canceled
The process of claim-23, further comprising a step of activating said surface-modified nano graphene platelets to form activated platelets. 2
The process of claim -1-23, further comprising a step of chemically functionalizing said spacer-modified nano graphene platelets to form functionalized platelets.
A process for ee ntinu eusly producing a porous solid film of spacer- modified nano graphene platelets or sheets for. use as a supercapacitor electrode, said process comprising: (a) dissolving a spacer precursor material in a solvent to form a precursor solution and dispersing multiple nano graphene platelets or sheets into said solution to form a suspension,- whe r ein-said (b) contimnusly delivering forming said suspension into a layer of solid film composed of precursor material-coated graphene platelets or sheets overlapping one another, and removing said solvent from said solid film; (c) eentinuetusby-c onverting said spacer precursor material into discrete, non-continuous, and nonmetallic nodules that are bonded to surfaces of said graphene platelets or sheets vi a- said bindef-resin to form a por ous so lid film c ompo s ed of s pacer-modified graphene platelets or sheets wherein said nodules serve as a spacer that prevents re-stacking of said graphene platelets or sheets with one another and said nodules are selected from the group consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof; and (d) ee ntinuo usly collecting said porous solid film on a collector.
(Previously Amended) The process of claim 18 wherein said step (b) comprises a paper-making procedure, a mat-making procedure, or a web-making procedure.
(Previously Amended) The process of claim 18 wherein said step (b) comprises delivering said suspension onto a moving substrate and forming said solid film thereon and said step (d) comprises collecting said porous solid film on a winding roller.
(Previously Amended) The process of claim 18 wherein said step (c) comprises heating said solid film.
(Previously Amended) The process of claim 18 wherein said step (a) further comprises adding a property-modifier material into said suspension wherein said property modifier is selected from the group consisting of carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nanofibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, nano particles of metal oxides excluding zinc oxide, particles of metal carbides, metal nitrides, metal sulfides, metal-halogen compounds, metal chalcogenides, and combinations thereof.
canceled
(Previously Amended) A process for continuously producing a solid film of spacer-modified 3 nano graphene platelets or sheets for supercapacitor applications, said process comprising: (a) dissolving a spacer precursor material in a solvent to form a precursor solution and dispersing multiple nano graphene platelets or sheets into said solution to form a suspension; (b) continuously delivering and forming said suspension into a layer of solid film composed of spacer precursor material-coated graphene platelets or sheets overlapping one another, and removing said solvent from said solid film; (c) continuously collecting said solid film on a collector; and (d) heating said solid film to convert said spacer precursor material into discrete, non-continuous, and nonmetallic nodules that are bonded to surfaces of sai d- graphene platelets or sheets to form a porous solid film composed of spacer-modified graphene platelets or sheets wherein said nodules serve as a spacer that prevents re-stacking of said graphene platelets or sheets with one another and said nodules are selected from the group consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof.
(Previously Amended) The process of claim 23 wherein said step (b) comprises a paper-making procedure, a mat-making procedure, or a web-making procedure.
(Previously Amended) The process of claim 23 wherein said step (b) comprises delivering said suspension onto a moving substrate and forming said solid film thereon and said step (c) comprises collecting said porous solid film on a winding roller.
(Previously Amended) The process of claim 23 wherein said step (a) further comprises adding a property-modifier material into said suspension wherein said property modifier is 4 selected from the group consisting of carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nano-fibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, nano particles of metal oxides excluding zinc oxide, particles of metal carbides, metal nitrides, metal sulfides, metal-halogen compounds, metal chalcogenides, and combinations thereof.
canceled
canceled
The process of claim 123, wherein said modified nano graphene platelets exhibit a specific surface area greater than 500 m2/g.
The process of claim 423, wherein said modified nano graphene platelets exhibit a specific surface area greater than 900 m2/g.
The process of claim 423, wherein said modified nano graphene platelets exhibit a specific surface area greater than 1,384 m2/g.
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor electrode (porous solid film of spacer-modified nano graphene platelets)
Materials described outside the worked examples.
nano graphene platelets
spacer nodules (metal oxide, metal carbide, metal nitride, metal sulfide, metal halide)
RuO₂
IrO₂
NiO
MnO₂
VOx
TiO₂
Cr₂O₃
Co₂O₃
PbO₂
Ag₂O
MoCx
Mo₂N
WCx
WNx
property-modifier materials (carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nanofibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, metal oxide nano particles, metal carbide particles, metal nitride particles, metal sulfide particles, metal-halogen compounds, metal chalcogenides)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG.1 A transmission electron microscopic image of NGPs without surface modification; 25 graphene sheets significantly overlap one another to reduce the …
FIG.2 SEM image of slightly surface-modified NGPs, showing some surface nodules.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
specific surface area of single graphene sheet (theoretical) | 2675 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 500 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 900 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 1384 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 2600 m2/g | nano graphene platelets |
Thickness | 2–200 nm | — |
Duration | 15–60 seconds | — |
Duration | 0.5–5 hours | — |
Temperature | 400–1200 °C | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 0.4 nm | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 10 nm | — |
Thickness | ≥ 2 nm | — |
Thickness | ≥ 0.4 nm | — |
Thickness | ≤ 2 nm | — |
Related documents with shared materials, methods, properties, or citations.
Spacer-modified graphene electrode for supercapacitor
Lithium super-battery with a functionalized nano graphene cathode
Aluminum Secondary Battery Cathode Having Oriented Graphene
MOLYBDENUM DISULFIDE/GRAPHENE/CARBON COMPOSITE MATERIAL AND USE THEREOF
POROUS PARTICLES OF INTERCONNECTED 3D GRAPHENE AS A SUPERCAPACITOR ELECTRODE ACTIVE MATERIAL AND PRODUCTION PROCESS
SPACER-MODIFIED NANO GRAPHENE ELECTRODES FOR SUPERCAPACITORS
METHOD FOR MANUFACTURING GRAPHENE-COATED OBJECT, NEGATIVE ELECTRODE OF SECONDARY BATTERY INCLUDING GRAPHENE-COATED OBJECT, AND SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE
Multi-Level Graphene-Protected Anode Active Material Particles for Battery Applications
Electrochemical production of graphene sheets directly from graphite mineral
GRAPHENE-COATED METAL OXIDE SPINEL CATHODES
SILICON-GRAPHENE NANOCOMPOSITES FOR ELECTROCHEMICAL APPLICATIONS
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG.1 A transmission electron microscopic image of NGPs without surface modification; 25 graphene sheets significantly overlap one another to reduce the …
FIG.2 SEM image of slightly surface-modified NGPs, showing some surface nodules.
FIG.3 An electrode structure comprising multiple surface-modified NGPs overlapped together, but slightly separated due to the presence of spacer nodules, …
FIG.4 (A) and (B) show the specific surface area and specific capacitance of electrodes containing carbon nodule-modified NGPs plotted as a function of the …
FIG.5 Schematic of a continuous process for producing porous solid mat, web, or paper for supercapacitor electrode applications.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
canceled
The process of claim 4- 23, wherein said graphene platelets comprise single-layer graphene.
The process of claim 4- 23, wherein said graphene platelets have an average thickness no greater than 2 nm or no more than 5 graphene layers per platelet. currently amended
canceled
The process of claim 4 23, wherein said precursor material contains a precursor to the group of materials consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof.
The process of claim 4 23, wherein said precursor material contains a precursor to the group of materials consisting of Ru O 2, IrO 2, Ni O, MnO2, VO X, TiO2, Cr₂ O3, Co₂O3, PbO2, Ag₂ O, MoC X, Mo₂N, WC X, WN X, and combinations thereof, and a binder resin. SVG 12655744.02-26-2015.I₆Z₅₅UBFPXXIFW4.CLM11743784.21.296.1876.2578.1936.svg 0.2 7.607 Graph Black and white currently amended
The process of claim 4-23, wherein said nodules have a height no less than 1 nm.
The process of claim 4- 23, wherein said nodules have a height no less than 2 nm. 11-13
The process of claim 4-23, wherein said modified nano graphene platelets exhibit a specific surface area greater than 2,600 m2/g.
canceled
canceled
canceled
canceled
The process of claim-23, further comprising a step of activating said surface-modified nano graphene platelets to form activated platelets. 2
The process of claim -1-23, further comprising a step of chemically functionalizing said spacer-modified nano graphene platelets to form functionalized platelets.
A process for ee ntinu eusly producing a porous solid film of spacer- modified nano graphene platelets or sheets for. use as a supercapacitor electrode, said process comprising: (a) dissolving a spacer precursor material in a solvent to form a precursor solution and dispersing multiple nano graphene platelets or sheets into said solution to form a suspension,- whe r ein-said (b) contimnusly delivering forming said suspension into a layer of solid film composed of precursor material-coated graphene platelets or sheets overlapping one another, and removing said solvent from said solid film; (c) eentinuetusby-c onverting said spacer precursor material into discrete, non-continuous, and nonmetallic nodules that are bonded to surfaces of said graphene platelets or sheets vi a- said bindef-resin to form a por ous so lid film c ompo s ed of s pacer-modified graphene platelets or sheets wherein said nodules serve as a spacer that prevents re-stacking of said graphene platelets or sheets with one another and said nodules are selected from the group consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof; and (d) ee ntinuo usly collecting said porous solid film on a collector.
(Previously Amended) The process of claim 18 wherein said step (b) comprises a paper-making procedure, a mat-making procedure, or a web-making procedure.
(Previously Amended) The process of claim 18 wherein said step (b) comprises delivering said suspension onto a moving substrate and forming said solid film thereon and said step (d) comprises collecting said porous solid film on a winding roller.
(Previously Amended) The process of claim 18 wherein said step (c) comprises heating said solid film.
(Previously Amended) The process of claim 18 wherein said step (a) further comprises adding a property-modifier material into said suspension wherein said property modifier is selected from the group consisting of carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nanofibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, nano particles of metal oxides excluding zinc oxide, particles of metal carbides, metal nitrides, metal sulfides, metal-halogen compounds, metal chalcogenides, and combinations thereof.
canceled
(Previously Amended) A process for continuously producing a solid film of spacer-modified 3 nano graphene platelets or sheets for supercapacitor applications, said process comprising: (a) dissolving a spacer precursor material in a solvent to form a precursor solution and dispersing multiple nano graphene platelets or sheets into said solution to form a suspension; (b) continuously delivering and forming said suspension into a layer of solid film composed of spacer precursor material-coated graphene platelets or sheets overlapping one another, and removing said solvent from said solid film; (c) continuously collecting said solid film on a collector; and (d) heating said solid film to convert said spacer precursor material into discrete, non-continuous, and nonmetallic nodules that are bonded to surfaces of sai d- graphene platelets or sheets to form a porous solid film composed of spacer-modified graphene platelets or sheets wherein said nodules serve as a spacer that prevents re-stacking of said graphene platelets or sheets with one another and said nodules are selected from the group consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof.
(Previously Amended) The process of claim 23 wherein said step (b) comprises a paper-making procedure, a mat-making procedure, or a web-making procedure.
(Previously Amended) The process of claim 23 wherein said step (b) comprises delivering said suspension onto a moving substrate and forming said solid film thereon and said step (c) comprises collecting said porous solid film on a winding roller.
(Previously Amended) The process of claim 23 wherein said step (a) further comprises adding a property-modifier material into said suspension wherein said property modifier is 4 selected from the group consisting of carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nano-fibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, nano particles of metal oxides excluding zinc oxide, particles of metal carbides, metal nitrides, metal sulfides, metal-halogen compounds, metal chalcogenides, and combinations thereof.
canceled
canceled
The process of claim 123, wherein said modified nano graphene platelets exhibit a specific surface area greater than 500 m2/g.
The process of claim 423, wherein said modified nano graphene platelets exhibit a specific surface area greater than 900 m2/g.
The process of claim 423, wherein said modified nano graphene platelets exhibit a specific surface area greater than 1,384 m2/g.
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor electrode (porous solid film of spacer-modified nano graphene platelets)
Materials described outside the worked examples.
nano graphene platelets
spacer nodules (metal oxide, metal carbide, metal nitride, metal sulfide, metal halide)
RuO₂
IrO₂
NiO
MnO₂
VOx
TiO₂
Cr₂O₃
Co₂O₃
PbO₂
Ag₂O
MoCx
Mo₂N
WCx
WNx
property-modifier materials (carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nanofibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, metal oxide nano particles, metal carbide particles, metal nitride particles, metal sulfide particles, metal-halogen compounds, metal chalcogenides)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG.1 A transmission electron microscopic image of NGPs without surface modification; 25 graphene sheets significantly overlap one another to reduce the …
FIG.2 SEM image of slightly surface-modified NGPs, showing some surface nodules.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
specific surface area of single graphene sheet (theoretical) | 2675 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 500 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 900 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 1384 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 2600 m2/g | nano graphene platelets |
Thickness | 2–200 nm | — |
Duration | 15–60 seconds | — |
Duration | 0.5–5 hours | — |
Temperature | 400–1200 °C | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 0.4 nm | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 10 nm | — |
Thickness | ≥ 2 nm | — |
Thickness | ≥ 0.4 nm | — |
Thickness | ≤ 2 nm | — |
Related documents with shared materials, methods, properties, or citations.
Spacer-modified graphene electrode for supercapacitor
Lithium super-battery with a functionalized nano graphene cathode
Aluminum Secondary Battery Cathode Having Oriented Graphene
MOLYBDENUM DISULFIDE/GRAPHENE/CARBON COMPOSITE MATERIAL AND USE THEREOF
POROUS PARTICLES OF INTERCONNECTED 3D GRAPHENE AS A SUPERCAPACITOR ELECTRODE ACTIVE MATERIAL AND PRODUCTION PROCESS
SPACER-MODIFIED NANO GRAPHENE ELECTRODES FOR SUPERCAPACITORS
METHOD FOR MANUFACTURING GRAPHENE-COATED OBJECT, NEGATIVE ELECTRODE OF SECONDARY BATTERY INCLUDING GRAPHENE-COATED OBJECT, AND SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE
Multi-Level Graphene-Protected Anode Active Material Particles for Battery Applications
Electrochemical production of graphene sheets directly from graphite mineral
GRAPHENE-COATED METAL OXIDE SPINEL CATHODES
SILICON-GRAPHENE NANOCOMPOSITES FOR ELECTROCHEMICAL APPLICATIONS
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG.1 A transmission electron microscopic image of NGPs without surface modification; 25 graphene sheets significantly overlap one another to reduce the …
FIG.2 SEM image of slightly surface-modified NGPs, showing some surface nodules.
FIG.3 An electrode structure comprising multiple surface-modified NGPs overlapped together, but slightly separated due to the presence of spacer nodules, …
FIG.4 (A) and (B) show the specific surface area and specific capacitance of electrodes containing carbon nodule-modified NGPs plotted as a function of the …
FIG.5 Schematic of a continuous process for producing porous solid mat, web, or paper for supercapacitor electrode applications.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
canceled
The process of claim 4- 23, wherein said graphene platelets comprise single-layer graphene.
The process of claim 4- 23, wherein said graphene platelets have an average thickness no greater than 2 nm or no more than 5 graphene layers per platelet. currently amended
canceled
The process of claim 4 23, wherein said precursor material contains a precursor to the group of materials consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof.
The process of claim 4 23, wherein said precursor material contains a precursor to the group of materials consisting of Ru O 2, IrO 2, Ni O, MnO2, VO X, TiO2, Cr₂ O3, Co₂O3, PbO2, Ag₂ O, MoC X, Mo₂N, WC X, WN X, and combinations thereof, and a binder resin. SVG 12655744.02-26-2015.I₆Z₅₅UBFPXXIFW4.CLM11743784.21.296.1876.2578.1936.svg 0.2 7.607 Graph Black and white currently amended
The process of claim 4-23, wherein said nodules have a height no less than 1 nm.
The process of claim 4- 23, wherein said nodules have a height no less than 2 nm. 11-13
The process of claim 4-23, wherein said modified nano graphene platelets exhibit a specific surface area greater than 2,600 m2/g.
canceled
canceled
canceled
canceled
The process of claim-23, further comprising a step of activating said surface-modified nano graphene platelets to form activated platelets. 2
The process of claim -1-23, further comprising a step of chemically functionalizing said spacer-modified nano graphene platelets to form functionalized platelets.
A process for ee ntinu eusly producing a porous solid film of spacer- modified nano graphene platelets or sheets for. use as a supercapacitor electrode, said process comprising: (a) dissolving a spacer precursor material in a solvent to form a precursor solution and dispersing multiple nano graphene platelets or sheets into said solution to form a suspension,- whe r ein-said (b) contimnusly delivering forming said suspension into a layer of solid film composed of precursor material-coated graphene platelets or sheets overlapping one another, and removing said solvent from said solid film; (c) eentinuetusby-c onverting said spacer precursor material into discrete, non-continuous, and nonmetallic nodules that are bonded to surfaces of said graphene platelets or sheets vi a- said bindef-resin to form a por ous so lid film c ompo s ed of s pacer-modified graphene platelets or sheets wherein said nodules serve as a spacer that prevents re-stacking of said graphene platelets or sheets with one another and said nodules are selected from the group consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof; and (d) ee ntinuo usly collecting said porous solid film on a collector.
(Previously Amended) The process of claim 18 wherein said step (b) comprises a paper-making procedure, a mat-making procedure, or a web-making procedure.
(Previously Amended) The process of claim 18 wherein said step (b) comprises delivering said suspension onto a moving substrate and forming said solid film thereon and said step (d) comprises collecting said porous solid film on a winding roller.
(Previously Amended) The process of claim 18 wherein said step (c) comprises heating said solid film.
(Previously Amended) The process of claim 18 wherein said step (a) further comprises adding a property-modifier material into said suspension wherein said property modifier is selected from the group consisting of carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nanofibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, nano particles of metal oxides excluding zinc oxide, particles of metal carbides, metal nitrides, metal sulfides, metal-halogen compounds, metal chalcogenides, and combinations thereof.
canceled
(Previously Amended) A process for continuously producing a solid film of spacer-modified 3 nano graphene platelets or sheets for supercapacitor applications, said process comprising: (a) dissolving a spacer precursor material in a solvent to form a precursor solution and dispersing multiple nano graphene platelets or sheets into said solution to form a suspension; (b) continuously delivering and forming said suspension into a layer of solid film composed of spacer precursor material-coated graphene platelets or sheets overlapping one another, and removing said solvent from said solid film; (c) continuously collecting said solid film on a collector; and (d) heating said solid film to convert said spacer precursor material into discrete, non-continuous, and nonmetallic nodules that are bonded to surfaces of sai d- graphene platelets or sheets to form a porous solid film composed of spacer-modified graphene platelets or sheets wherein said nodules serve as a spacer that prevents re-stacking of said graphene platelets or sheets with one another and said nodules are selected from the group consisting of metal oxide, metal carbide, metal nitride, metal sulfide, metal halide, and combinations thereof.
(Previously Amended) The process of claim 23 wherein said step (b) comprises a paper-making procedure, a mat-making procedure, or a web-making procedure.
(Previously Amended) The process of claim 23 wherein said step (b) comprises delivering said suspension onto a moving substrate and forming said solid film thereon and said step (c) comprises collecting said porous solid film on a winding roller.
(Previously Amended) The process of claim 23 wherein said step (a) further comprises adding a property-modifier material into said suspension wherein said property modifier is 4 selected from the group consisting of carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nano-fibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, nano particles of metal oxides excluding zinc oxide, particles of metal carbides, metal nitrides, metal sulfides, metal-halogen compounds, metal chalcogenides, and combinations thereof.
canceled
canceled
The process of claim 123, wherein said modified nano graphene platelets exhibit a specific surface area greater than 500 m2/g.
The process of claim 423, wherein said modified nano graphene platelets exhibit a specific surface area greater than 900 m2/g.
The process of claim 423, wherein said modified nano graphene platelets exhibit a specific surface area greater than 1,384 m2/g.
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor electrode (porous solid film of spacer-modified nano graphene platelets)
Materials described outside the worked examples.
nano graphene platelets
spacer nodules (metal oxide, metal carbide, metal nitride, metal sulfide, metal halide)
RuO₂
IrO₂
NiO
MnO₂
VOx
TiO₂
Cr₂O₃
Co₂O₃
PbO₂
Ag₂O
MoCx
Mo₂N
WCx
WNx
property-modifier materials (carbon nanotubes, carbon nano-wires, carbon nano-fibers, graphitic nanofibers, carbon black, activated carbon, nano-wires, ceramic nano particles, polymer nano particles, metal oxide nano particles, metal carbide particles, metal nitride particles, metal sulfide particles, metal-halogen compounds, metal chalcogenides)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG.1 A transmission electron microscopic image of NGPs without surface modification; 25 graphene sheets significantly overlap one another to reduce the …
FIG.2 SEM image of slightly surface-modified NGPs, showing some surface nodules.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
specific surface area of single graphene sheet (theoretical) | 2675 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 500 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 900 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 1384 m2/g | nano graphene platelets |
specific surface area of modified nano graphene platelets (claim range) | ≥ 2600 m2/g | nano graphene platelets |
Thickness | 2–200 nm | — |
Duration | 15–60 seconds | — |
Duration | 0.5–5 hours | — |
Temperature | 400–1200 °C | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 0.4 nm | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 10 nm | — |
Thickness | ≥ 2 nm | — |
Thickness | ≥ 0.4 nm | — |
Thickness | ≤ 2 nm | — |
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