Patent
US 10,544,503METHOD OF PRODUCING GRAPHENE
Gerardine G. Botte
US
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Patent
Atlas literature
Patent
US 10,544,503Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagrammatic depiction of an electrolytic apparatus to form hydrogen from coal slurries; [0009]
FIG. 2 is an exploded diagrammatic view of the electrolytic cell of
FIG. 3 is a diagrammatic depiction of an apparatus used to form graphene.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previously Amended) A method of forming graphene comprising heating electrolyzed coal to a temperature effective to form graphite in the presence of a flowing stream of reductant gas, said temperature being greater than 400 0 centigrade and less than 1100 0 centigrade, wherein the stream of reductant gas deposits graphene onto a surface forming a graphene sheet.
The method claimed in claim 1 wherein said electrolyzed coal is deposited as a thin layer onto a substrate and said reductant gas is passed at elevated temperatures over said thin layer. Original
The method claimed in claim 1 wherein said temperature is greater than 490 0 centigrade. Previously presented
The method claimed in claim 1 further comprising fl owing a stream of an inert gas prior to the flowing of the stream of re d uctant gas. Original
The method claimed in claim 1 further comprising rapidly cooling the surface subsequent to the heating step. Original
The method claimed in claim 1 wherein the surface comprises copper foil. Original
The method claimed in claim 1 wherein the electrolyzed coal has been electrolyzed at a current density greater than 30 mA/cm2 and less than 200 mA/cm2. Original
The method claimed in claim 1 wherein the electrolyzed coal has been electrolyzed at a temperature equal to or greater than 80 0 centigrade. Original
Canceled
Materials described outside the worked examples.
electrolyzed coal
hydrogen
H₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 700–1000 °C | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,544,503Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagrammatic depiction of an electrolytic apparatus to form hydrogen from coal slurries; [0009]
FIG. 2 is an exploded diagrammatic view of the electrolytic cell of
FIG. 3 is a diagrammatic depiction of an apparatus used to form graphene.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previously Amended) A method of forming graphene comprising heating electrolyzed coal to a temperature effective to form graphite in the presence of a flowing stream of reductant gas, said temperature being greater than 400 0 centigrade and less than 1100 0 centigrade, wherein the stream of reductant gas deposits graphene onto a surface forming a graphene sheet.
The method claimed in claim 1 wherein said electrolyzed coal is deposited as a thin layer onto a substrate and said reductant gas is passed at elevated temperatures over said thin layer. Original
The method claimed in claim 1 wherein said temperature is greater than 490 0 centigrade. Previously presented
The method claimed in claim 1 further comprising fl owing a stream of an inert gas prior to the flowing of the stream of re d uctant gas. Original
The method claimed in claim 1 further comprising rapidly cooling the surface subsequent to the heating step. Original
The method claimed in claim 1 wherein the surface comprises copper foil. Original
The method claimed in claim 1 wherein the electrolyzed coal has been electrolyzed at a current density greater than 30 mA/cm2 and less than 200 mA/cm2. Original
The method claimed in claim 1 wherein the electrolyzed coal has been electrolyzed at a temperature equal to or greater than 80 0 centigrade. Original
Canceled
Materials described outside the worked examples.
electrolyzed coal
hydrogen
H₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 700–1000 °C | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,544,503Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagrammatic depiction of an electrolytic apparatus to form hydrogen from coal slurries; [0009]
FIG. 2 is an exploded diagrammatic view of the electrolytic cell of
FIG. 3 is a diagrammatic depiction of an apparatus used to form graphene.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previously Amended) A method of forming graphene comprising heating electrolyzed coal to a temperature effective to form graphite in the presence of a flowing stream of reductant gas, said temperature being greater than 400 0 centigrade and less than 1100 0 centigrade, wherein the stream of reductant gas deposits graphene onto a surface forming a graphene sheet.
The method claimed in claim 1 wherein said electrolyzed coal is deposited as a thin layer onto a substrate and said reductant gas is passed at elevated temperatures over said thin layer. Original
The method claimed in claim 1 wherein said temperature is greater than 490 0 centigrade. Previously presented
The method claimed in claim 1 further comprising fl owing a stream of an inert gas prior to the flowing of the stream of re d uctant gas. Original
The method claimed in claim 1 further comprising rapidly cooling the surface subsequent to the heating step. Original
The method claimed in claim 1 wherein the surface comprises copper foil. Original
The method claimed in claim 1 wherein the electrolyzed coal has been electrolyzed at a current density greater than 30 mA/cm2 and less than 200 mA/cm2. Original
The method claimed in claim 1 wherein the electrolyzed coal has been electrolyzed at a temperature equal to or greater than 80 0 centigrade. Original
Canceled
Materials described outside the worked examples.
electrolyzed coal
hydrogen
H₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 700–1000 °C | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,544,503Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagrammatic depiction of an electrolytic apparatus to form hydrogen from coal slurries; [0009]
FIG. 2 is an exploded diagrammatic view of the electrolytic cell of
FIG. 3 is a diagrammatic depiction of an apparatus used to form graphene.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previously Amended) A method of forming graphene comprising heating electrolyzed coal to a temperature effective to form graphite in the presence of a flowing stream of reductant gas, said temperature being greater than 400 0 centigrade and less than 1100 0 centigrade, wherein the stream of reductant gas deposits graphene onto a surface forming a graphene sheet.
The method claimed in claim 1 wherein said electrolyzed coal is deposited as a thin layer onto a substrate and said reductant gas is passed at elevated temperatures over said thin layer. Original
The method claimed in claim 1 wherein said temperature is greater than 490 0 centigrade. Previously presented
The method claimed in claim 1 further comprising fl owing a stream of an inert gas prior to the flowing of the stream of re d uctant gas. Original
The method claimed in claim 1 further comprising rapidly cooling the surface subsequent to the heating step. Original
The method claimed in claim 1 wherein the surface comprises copper foil. Original
The method claimed in claim 1 wherein the electrolyzed coal has been electrolyzed at a current density greater than 30 mA/cm2 and less than 200 mA/cm2. Original
The method claimed in claim 1 wherein the electrolyzed coal has been electrolyzed at a temperature equal to or greater than 80 0 centigrade. Original
Canceled
Materials described outside the worked examples.
electrolyzed coal
hydrogen
H₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 700–1000 °C | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
graphene
gelatinous material/gelatinous film on electrolyzed coal particles
electrolyzed coal particles
inert carrier gas
nitrogen
N₂
argon
Ar
copper foil
Cu
coal
graphite
| — |
Temperature | ≥ 700 °c | — |
METHOD FOR CONTINUOUS PRODUCTION OF HIGH QUALITY GRAPHENE
graphene
gelatinous material/gelatinous film on electrolyzed coal particles
electrolyzed coal particles
inert carrier gas
nitrogen
N₂
argon
Ar
copper foil
Cu
coal
graphite
| — |
Temperature | ≥ 700 °c | — |
METHOD FOR CONTINUOUS PRODUCTION OF HIGH QUALITY GRAPHENE
graphene
gelatinous material/gelatinous film on electrolyzed coal particles
electrolyzed coal particles
inert carrier gas
nitrogen
N₂
argon
Ar
copper foil
Cu
coal
graphite
| — |
Temperature | ≥ 700 °c | — |
METHOD FOR CONTINUOUS PRODUCTION OF HIGH QUALITY GRAPHENE
graphene
gelatinous material/gelatinous film on electrolyzed coal particles
electrolyzed coal particles
inert carrier gas
nitrogen
N₂
argon
Ar
copper foil
Cu
coal
graphite
| — |
Temperature | ≥ 700 °c | — |
METHOD FOR CONTINUOUS PRODUCTION OF HIGH QUALITY GRAPHENE