Patent
US 9,520,241GRAPHENE SUPPORTED VANADIUM OXIDE MONOLAYER CAPACITOR MATERIAL AND METHOD OF MAKING THE SAME
Jian Xie
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,520,241Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. FI G. 6 graphically illustrates a capacitor according to a third embodiment 15 of the present novel technology.
FIG. 2.
FIG. 3 is a photomicrograph of graphene as synthesized through thermal 10 expansion according to the embodiment of
FIG. 4 schematically illustrates the functionalization of a carbon atom according to the embodiment of F I G. 2. FI G. 5 chemically illustrates the process of
FIG. 7 is a partial perspective view of a plurality of composite sheets on a metallic substrate defining a thin layer.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A capacitor, comprising: a plurality of hydroxyl functionali z ed graphene sheets defining a stack; 5 a plurality of V₂₀ S molecules individually bonded a each respective hydroxyl functionalized graphene sheet and defining a V 2 0 5 monol ayer, each respective V 20sm onolayer bonded to a respective hydroxyl functiona liz ed graphene sheet; at least one metallic electrode connected in electric 10 communication to the stack; wherein each respective V₂₀ 5 m onolayer is disposed between two respective graphene sheets; wherein each respective graphene sheet is an atomic monolayer; wherein the mass ratio of graphene to V 2 0 5 in the stack is greater 15 than 3.
The capacitor of claim 1 and further comprising a plurality of carbon spacers disposed on each respective graphene sheet.
5. The capacitor of claim 1 wherein the mass ratio of graphene to 2Os in the stack is about 3.8.
15. The method of claim 1. 2 wherein the vanadium oxide molecules define a monolayer on the capacitor.
A method of producing an electronic device, comprising: a) identifying a graphene sheet; b) functionalizing the graphene sheet to yield a functionalized sheet; c) attaching respective vanadium oxide molecules to respective 10 functional groups to define an impregnated graphene sheet; d) removing organic solvents from the impregnated graphene sheet to define a composite sheet; and e) positioning the composite sheet onto a metallic substrate to yield a capacitor.
7. The method of claim 6 wherein during step a), a plurality of graphene sheets are identified; wherein during s tep b) a plurality of functionalized sheets are yielded; wherein during step c), a plurality of impregnated graphene sheets are defined; wherein during step d), a plurality of composite sheets are defined; and wherein during step e), a plurality of composite sheets are positioned onto the metallic substrate to yield a capacitor.
A method for manufacturing a supercapacito i; comprising: a) identifing a plurality of graphene sheets; b) functio n alizi n g the respective graphe n e sheets with a diazonium reaction to yield a plurality of hydroxyl-functionalized sheets; c) attaching respective vanadium oxide molecules to respective 10 hydroxyl functional groups to yield a plurality of impregnated graphe n e sheets; d) calcining the plurality of impregnated graphe n e sheets to remove organic solvents therefrom; e) b onding the vanadium oxide molecules heets to yield a plurality of composite sheets; and electric communication with each other and/or a
17. The method of claim 16 and further plurality of composite sheets in an organic so l dispersion onto a metallic 5 substrate to form a directly to the respective 15 graphe ne s f) positioning the respective composite sheets in metallic su b strate to y ield a capacitor 20 comprising: before performing f), g) dispersing the vent; wherein step f) incl ud es coating the thin layer 16
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor/capacitor
Materials described outside the worked examples.
hydroxyl-functionalized graphene
vanadium pentoxide
V₂O₅
carbonaceous spacers
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Theoretical Capacitance | 4577 F/g | V₂O₅/graphene composite |
Mass Ratio Active To Support | 3.83 dimensionless (V₂O5:graphene) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,520,241Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. FI G. 6 graphically illustrates a capacitor according to a third embodiment 15 of the present novel technology.
FIG. 2.
FIG. 3 is a photomicrograph of graphene as synthesized through thermal 10 expansion according to the embodiment of
FIG. 4 schematically illustrates the functionalization of a carbon atom according to the embodiment of F I G. 2. FI G. 5 chemically illustrates the process of
FIG. 7 is a partial perspective view of a plurality of composite sheets on a metallic substrate defining a thin layer.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A capacitor, comprising: a plurality of hydroxyl functionali z ed graphene sheets defining a stack; 5 a plurality of V₂₀ S molecules individually bonded a each respective hydroxyl functionalized graphene sheet and defining a V 2 0 5 monol ayer, each respective V 20sm onolayer bonded to a respective hydroxyl functiona liz ed graphene sheet; at least one metallic electrode connected in electric 10 communication to the stack; wherein each respective V₂₀ 5 m onolayer is disposed between two respective graphene sheets; wherein each respective graphene sheet is an atomic monolayer; wherein the mass ratio of graphene to V 2 0 5 in the stack is greater 15 than 3.
The capacitor of claim 1 and further comprising a plurality of carbon spacers disposed on each respective graphene sheet.
5. The capacitor of claim 1 wherein the mass ratio of graphene to 2Os in the stack is about 3.8.
15. The method of claim 1. 2 wherein the vanadium oxide molecules define a monolayer on the capacitor.
A method of producing an electronic device, comprising: a) identifying a graphene sheet; b) functionalizing the graphene sheet to yield a functionalized sheet; c) attaching respective vanadium oxide molecules to respective 10 functional groups to define an impregnated graphene sheet; d) removing organic solvents from the impregnated graphene sheet to define a composite sheet; and e) positioning the composite sheet onto a metallic substrate to yield a capacitor.
7. The method of claim 6 wherein during step a), a plurality of graphene sheets are identified; wherein during s tep b) a plurality of functionalized sheets are yielded; wherein during step c), a plurality of impregnated graphene sheets are defined; wherein during step d), a plurality of composite sheets are defined; and wherein during step e), a plurality of composite sheets are positioned onto the metallic substrate to yield a capacitor.
A method for manufacturing a supercapacito i; comprising: a) identifing a plurality of graphene sheets; b) functio n alizi n g the respective graphe n e sheets with a diazonium reaction to yield a plurality of hydroxyl-functionalized sheets; c) attaching respective vanadium oxide molecules to respective 10 hydroxyl functional groups to yield a plurality of impregnated graphe n e sheets; d) calcining the plurality of impregnated graphe n e sheets to remove organic solvents therefrom; e) b onding the vanadium oxide molecules heets to yield a plurality of composite sheets; and electric communication with each other and/or a
17. The method of claim 16 and further plurality of composite sheets in an organic so l dispersion onto a metallic 5 substrate to form a directly to the respective 15 graphe ne s f) positioning the respective composite sheets in metallic su b strate to y ield a capacitor 20 comprising: before performing f), g) dispersing the vent; wherein step f) incl ud es coating the thin layer 16
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor/capacitor
Materials described outside the worked examples.
hydroxyl-functionalized graphene
vanadium pentoxide
V₂O₅
carbonaceous spacers
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Theoretical Capacitance | 4577 F/g | V₂O₅/graphene composite |
Mass Ratio Active To Support | 3.83 dimensionless (V₂O5:graphene) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,520,241Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. FI G. 6 graphically illustrates a capacitor according to a third embodiment 15 of the present novel technology.
FIG. 2.
FIG. 3 is a photomicrograph of graphene as synthesized through thermal 10 expansion according to the embodiment of
FIG. 4 schematically illustrates the functionalization of a carbon atom according to the embodiment of F I G. 2. FI G. 5 chemically illustrates the process of
FIG. 7 is a partial perspective view of a plurality of composite sheets on a metallic substrate defining a thin layer.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A capacitor, comprising: a plurality of hydroxyl functionali z ed graphene sheets defining a stack; 5 a plurality of V₂₀ S molecules individually bonded a each respective hydroxyl functionalized graphene sheet and defining a V 2 0 5 monol ayer, each respective V 20sm onolayer bonded to a respective hydroxyl functiona liz ed graphene sheet; at least one metallic electrode connected in electric 10 communication to the stack; wherein each respective V₂₀ 5 m onolayer is disposed between two respective graphene sheets; wherein each respective graphene sheet is an atomic monolayer; wherein the mass ratio of graphene to V 2 0 5 in the stack is greater 15 than 3.
The capacitor of claim 1 and further comprising a plurality of carbon spacers disposed on each respective graphene sheet.
5. The capacitor of claim 1 wherein the mass ratio of graphene to 2Os in the stack is about 3.8.
15. The method of claim 1. 2 wherein the vanadium oxide molecules define a monolayer on the capacitor.
A method of producing an electronic device, comprising: a) identifying a graphene sheet; b) functionalizing the graphene sheet to yield a functionalized sheet; c) attaching respective vanadium oxide molecules to respective 10 functional groups to define an impregnated graphene sheet; d) removing organic solvents from the impregnated graphene sheet to define a composite sheet; and e) positioning the composite sheet onto a metallic substrate to yield a capacitor.
7. The method of claim 6 wherein during step a), a plurality of graphene sheets are identified; wherein during s tep b) a plurality of functionalized sheets are yielded; wherein during step c), a plurality of impregnated graphene sheets are defined; wherein during step d), a plurality of composite sheets are defined; and wherein during step e), a plurality of composite sheets are positioned onto the metallic substrate to yield a capacitor.
A method for manufacturing a supercapacito i; comprising: a) identifing a plurality of graphene sheets; b) functio n alizi n g the respective graphe n e sheets with a diazonium reaction to yield a plurality of hydroxyl-functionalized sheets; c) attaching respective vanadium oxide molecules to respective 10 hydroxyl functional groups to yield a plurality of impregnated graphe n e sheets; d) calcining the plurality of impregnated graphe n e sheets to remove organic solvents therefrom; e) b onding the vanadium oxide molecules heets to yield a plurality of composite sheets; and electric communication with each other and/or a
17. The method of claim 16 and further plurality of composite sheets in an organic so l dispersion onto a metallic 5 substrate to form a directly to the respective 15 graphe ne s f) positioning the respective composite sheets in metallic su b strate to y ield a capacitor 20 comprising: before performing f), g) dispersing the vent; wherein step f) incl ud es coating the thin layer 16
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor/capacitor
Materials described outside the worked examples.
hydroxyl-functionalized graphene
vanadium pentoxide
V₂O₅
carbonaceous spacers
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Theoretical Capacitance | 4577 F/g | V₂O₅/graphene composite |
Mass Ratio Active To Support | 3.83 dimensionless (V₂O5:graphene) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,520,241Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. FI G. 6 graphically illustrates a capacitor according to a third embodiment 15 of the present novel technology.
FIG. 2.
FIG. 3 is a photomicrograph of graphene as synthesized through thermal 10 expansion according to the embodiment of
FIG. 4 schematically illustrates the functionalization of a carbon atom according to the embodiment of F I G. 2. FI G. 5 chemically illustrates the process of
FIG. 7 is a partial perspective view of a plurality of composite sheets on a metallic substrate defining a thin layer.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A capacitor, comprising: a plurality of hydroxyl functionali z ed graphene sheets defining a stack; 5 a plurality of V₂₀ S molecules individually bonded a each respective hydroxyl functionalized graphene sheet and defining a V 2 0 5 monol ayer, each respective V 20sm onolayer bonded to a respective hydroxyl functiona liz ed graphene sheet; at least one metallic electrode connected in electric 10 communication to the stack; wherein each respective V₂₀ 5 m onolayer is disposed between two respective graphene sheets; wherein each respective graphene sheet is an atomic monolayer; wherein the mass ratio of graphene to V 2 0 5 in the stack is greater 15 than 3.
The capacitor of claim 1 and further comprising a plurality of carbon spacers disposed on each respective graphene sheet.
5. The capacitor of claim 1 wherein the mass ratio of graphene to 2Os in the stack is about 3.8.
15. The method of claim 1. 2 wherein the vanadium oxide molecules define a monolayer on the capacitor.
A method of producing an electronic device, comprising: a) identifying a graphene sheet; b) functionalizing the graphene sheet to yield a functionalized sheet; c) attaching respective vanadium oxide molecules to respective 10 functional groups to define an impregnated graphene sheet; d) removing organic solvents from the impregnated graphene sheet to define a composite sheet; and e) positioning the composite sheet onto a metallic substrate to yield a capacitor.
7. The method of claim 6 wherein during step a), a plurality of graphene sheets are identified; wherein during s tep b) a plurality of functionalized sheets are yielded; wherein during step c), a plurality of impregnated graphene sheets are defined; wherein during step d), a plurality of composite sheets are defined; and wherein during step e), a plurality of composite sheets are positioned onto the metallic substrate to yield a capacitor.
A method for manufacturing a supercapacito i; comprising: a) identifing a plurality of graphene sheets; b) functio n alizi n g the respective graphe n e sheets with a diazonium reaction to yield a plurality of hydroxyl-functionalized sheets; c) attaching respective vanadium oxide molecules to respective 10 hydroxyl functional groups to yield a plurality of impregnated graphe n e sheets; d) calcining the plurality of impregnated graphe n e sheets to remove organic solvents therefrom; e) b onding the vanadium oxide molecules heets to yield a plurality of composite sheets; and electric communication with each other and/or a
17. The method of claim 16 and further plurality of composite sheets in an organic so l dispersion onto a metallic 5 substrate to form a directly to the respective 15 graphe ne s f) positioning the respective composite sheets in metallic su b strate to y ield a capacitor 20 comprising: before performing f), g) dispersing the vent; wherein step f) incl ud es coating the thin layer 16
Layer stacks claimed or described, ordered top of device to substrate.
supercapacitor/capacitor
Materials described outside the worked examples.
hydroxyl-functionalized graphene
vanadium pentoxide
V₂O₅
carbonaceous spacers
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Theoretical Capacitance | 4577 F/g | V₂O₅/graphene composite |
Mass Ratio Active To Support | 3.83 dimensionless (V₂O5:graphene) |
Related documents with shared materials, methods, properties, or citations.
amorphous carbon
diamond
hydroxyl-functionalized graphene sheet
vanadyl triisobutoxide
anhydrous n-hexane
nickel substrate
V₂O₅/graphene composite
V₂O₅hydroxyl-functionalized graphene |
Electronic Conductivity | 8.7e-7 S/cm | V₂O₅ |
Specific Surface Area | 2600 m2/g | hydroxyl-functionalized graphene |
amorphous carbon
diamond
hydroxyl-functionalized graphene sheet
vanadyl triisobutoxide
anhydrous n-hexane
nickel substrate
V₂O₅/graphene composite
V₂O₅hydroxyl-functionalized graphene |
Electronic Conductivity | 8.7e-7 S/cm | V₂O₅ |
Specific Surface Area | 2600 m2/g | hydroxyl-functionalized graphene |
amorphous carbon
diamond
hydroxyl-functionalized graphene sheet
vanadyl triisobutoxide
anhydrous n-hexane
nickel substrate
V₂O₅/graphene composite
V₂O₅hydroxyl-functionalized graphene |
Electronic Conductivity | 8.7e-7 S/cm | V₂O₅ |
Specific Surface Area | 2600 m2/g | hydroxyl-functionalized graphene |
amorphous carbon
diamond
hydroxyl-functionalized graphene sheet
vanadyl triisobutoxide
anhydrous n-hexane
nickel substrate
V₂O₅/graphene composite
V₂O₅hydroxyl-functionalized graphene |
Electronic Conductivity | 8.7e-7 S/cm | V₂O₅ |
Specific Surface Area | 2600 m2/g | hydroxyl-functionalized graphene |