Patent
US 8,349,142Method for Producing Graphene
Masaru Hori
US
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Patent
Atlas literature
Patent
US 8,349,142Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1, a graphene production apparatus 100 is configured by a tightly closable vessel 10, and in the vessel 10, an immersion electrode 20 which is immersed in …
FIG. 2: A photograph of the graphene production apparatus 100 in operation.
FIG. 3 shows a Raman spectrum of the graphene produced from ethanol as the carbon source, and that of the graphene produced from 2-propanol. In each spectrum, …
FIG. 4: A transmission electron microscopic photograph of the graphene powder produced in the Example. Best Modes for Carrying Out the Invention [0010] The …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for producing graphene from a liquid material containing at least an organic compound, characterized-inthat wherein the process comprises: disposing a pair of electrodes such that a first electrode is immersed in the liquid material, t h at a second electrode is placed above the liquid material, and t h at the two electrodes oppose each other with the gas-liquid interface; applying AC voltage between said pair of electrodes, to thereby generate a plasma across the gas-liquid interface; and decomposing the organic compound by the plasma, wherein a graphene dispersion in which graphene is dispersed in the liquid material is produced.
A process for producing graphene according to claim 1, wherein the liquid material produced through the invention of claim 1 is dried to thereby form graphene powder.
A process for producing graphene according between the electric discharge surface of the first F₁ 0 -630-US 4 FUJIT.163 material and the gas-liquid electric discharge surface of the second electrode liquid interface is 1:2 to 1:3. claim 1 era-, wherein the organic compound has claim [[3,]] 2 wherein the organic compound claim [[4,]] 3 wherein the organic compound is for producing graphene according to claim 4 compound is a C < 5 alcohol, diol, or triol. claim 5. any-ene-ef eais--te-k wherein the 2-propanol. claim 6, wherein the organic compound is claim 1, wherein the two electrodes are the liquid material has an electric discharge by a distance of 5 mm or less, and the second electric discharge surface which is apart from less. to claim 1, wherein the ratio of the distance electrode immersed in the liquid-Docket No.: interface to the distance between the placed above the liquid material and the gas-
A process for producing graphene according to an alcoholic hydroxyl group.
A process for producing graphene according to has an alcoholic h y drox y l group.
A process for producing graphene according to a C 5 5 alcohol, diol, or triol.
Docket No.: F₁₀-630-US 3 FUJIT.163 6. A process, an y-e neef eaim-t-5'^ wherein the or g anic
A process for producing graphene according to organic compound is methanol, ethanol, or 1- or
A process for producing graphene according to methanol, ethanol, or 1- or 2-propanol.
A process for producing graphene according to disposed such that the first electrode immersed in surface which is apart from the gas-liquid interface electrode placed above the liquid material has an the gas-liquid interface by a distance of 20 mm or
Materials described outside the worked examples.
graphene
organic compound in liquid material
organic compound with alcoholic hydroxyl group
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1, a graphene production apparatus 100 is configured by a tightly closable vessel 10, and in the vessel 10, an immersion electrode 20 which is immersed in …
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,349,142Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1, a graphene production apparatus 100 is configured by a tightly closable vessel 10, and in the vessel 10, an immersion electrode 20 which is immersed in …
FIG. 2: A photograph of the graphene production apparatus 100 in operation.
FIG. 3 shows a Raman spectrum of the graphene produced from ethanol as the carbon source, and that of the graphene produced from 2-propanol. In each spectrum, …
FIG. 4: A transmission electron microscopic photograph of the graphene powder produced in the Example. Best Modes for Carrying Out the Invention [0010] The …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for producing graphene from a liquid material containing at least an organic compound, characterized-inthat wherein the process comprises: disposing a pair of electrodes such that a first electrode is immersed in the liquid material, t h at a second electrode is placed above the liquid material, and t h at the two electrodes oppose each other with the gas-liquid interface; applying AC voltage between said pair of electrodes, to thereby generate a plasma across the gas-liquid interface; and decomposing the organic compound by the plasma, wherein a graphene dispersion in which graphene is dispersed in the liquid material is produced.
A process for producing graphene according to claim 1, wherein the liquid material produced through the invention of claim 1 is dried to thereby form graphene powder.
A process for producing graphene according between the electric discharge surface of the first F₁ 0 -630-US 4 FUJIT.163 material and the gas-liquid electric discharge surface of the second electrode liquid interface is 1:2 to 1:3. claim 1 era-, wherein the organic compound has claim [[3,]] 2 wherein the organic compound claim [[4,]] 3 wherein the organic compound is for producing graphene according to claim 4 compound is a C < 5 alcohol, diol, or triol. claim 5. any-ene-ef eais--te-k wherein the 2-propanol. claim 6, wherein the organic compound is claim 1, wherein the two electrodes are the liquid material has an electric discharge by a distance of 5 mm or less, and the second electric discharge surface which is apart from less. to claim 1, wherein the ratio of the distance electrode immersed in the liquid-Docket No.: interface to the distance between the placed above the liquid material and the gas-
A process for producing graphene according to an alcoholic hydroxyl group.
A process for producing graphene according to has an alcoholic h y drox y l group.
A process for producing graphene according to a C 5 5 alcohol, diol, or triol.
Docket No.: F₁₀-630-US 3 FUJIT.163 6. A process, an y-e neef eaim-t-5'^ wherein the or g anic
A process for producing graphene according to organic compound is methanol, ethanol, or 1- or
A process for producing graphene according to methanol, ethanol, or 1- or 2-propanol.
A process for producing graphene according to disposed such that the first electrode immersed in surface which is apart from the gas-liquid interface electrode placed above the liquid material has an the gas-liquid interface by a distance of 20 mm or
Materials described outside the worked examples.
graphene
organic compound in liquid material
organic compound with alcoholic hydroxyl group
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1, a graphene production apparatus 100 is configured by a tightly closable vessel 10, and in the vessel 10, an immersion electrode 20 which is immersed in …
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,349,142Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1, a graphene production apparatus 100 is configured by a tightly closable vessel 10, and in the vessel 10, an immersion electrode 20 which is immersed in …
FIG. 2: A photograph of the graphene production apparatus 100 in operation.
FIG. 3 shows a Raman spectrum of the graphene produced from ethanol as the carbon source, and that of the graphene produced from 2-propanol. In each spectrum, …
FIG. 4: A transmission electron microscopic photograph of the graphene powder produced in the Example. Best Modes for Carrying Out the Invention [0010] The …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for producing graphene from a liquid material containing at least an organic compound, characterized-inthat wherein the process comprises: disposing a pair of electrodes such that a first electrode is immersed in the liquid material, t h at a second electrode is placed above the liquid material, and t h at the two electrodes oppose each other with the gas-liquid interface; applying AC voltage between said pair of electrodes, to thereby generate a plasma across the gas-liquid interface; and decomposing the organic compound by the plasma, wherein a graphene dispersion in which graphene is dispersed in the liquid material is produced.
A process for producing graphene according to claim 1, wherein the liquid material produced through the invention of claim 1 is dried to thereby form graphene powder.
A process for producing graphene according between the electric discharge surface of the first F₁ 0 -630-US 4 FUJIT.163 material and the gas-liquid electric discharge surface of the second electrode liquid interface is 1:2 to 1:3. claim 1 era-, wherein the organic compound has claim [[3,]] 2 wherein the organic compound claim [[4,]] 3 wherein the organic compound is for producing graphene according to claim 4 compound is a C < 5 alcohol, diol, or triol. claim 5. any-ene-ef eais--te-k wherein the 2-propanol. claim 6, wherein the organic compound is claim 1, wherein the two electrodes are the liquid material has an electric discharge by a distance of 5 mm or less, and the second electric discharge surface which is apart from less. to claim 1, wherein the ratio of the distance electrode immersed in the liquid-Docket No.: interface to the distance between the placed above the liquid material and the gas-
A process for producing graphene according to an alcoholic hydroxyl group.
A process for producing graphene according to has an alcoholic h y drox y l group.
A process for producing graphene according to a C 5 5 alcohol, diol, or triol.
Docket No.: F₁₀-630-US 3 FUJIT.163 6. A process, an y-e neef eaim-t-5'^ wherein the or g anic
A process for producing graphene according to organic compound is methanol, ethanol, or 1- or
A process for producing graphene according to methanol, ethanol, or 1- or 2-propanol.
A process for producing graphene according to disposed such that the first electrode immersed in surface which is apart from the gas-liquid interface electrode placed above the liquid material has an the gas-liquid interface by a distance of 20 mm or
Materials described outside the worked examples.
graphene
organic compound in liquid material
organic compound with alcoholic hydroxyl group
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1, a graphene production apparatus 100 is configured by a tightly closable vessel 10, and in the vessel 10, an immersion electrode 20 which is immersed in …
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,349,142Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1, a graphene production apparatus 100 is configured by a tightly closable vessel 10, and in the vessel 10, an immersion electrode 20 which is immersed in …
FIG. 2: A photograph of the graphene production apparatus 100 in operation.
FIG. 3 shows a Raman spectrum of the graphene produced from ethanol as the carbon source, and that of the graphene produced from 2-propanol. In each spectrum, …
FIG. 4: A transmission electron microscopic photograph of the graphene powder produced in the Example. Best Modes for Carrying Out the Invention [0010] The …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for producing graphene from a liquid material containing at least an organic compound, characterized-inthat wherein the process comprises: disposing a pair of electrodes such that a first electrode is immersed in the liquid material, t h at a second electrode is placed above the liquid material, and t h at the two electrodes oppose each other with the gas-liquid interface; applying AC voltage between said pair of electrodes, to thereby generate a plasma across the gas-liquid interface; and decomposing the organic compound by the plasma, wherein a graphene dispersion in which graphene is dispersed in the liquid material is produced.
A process for producing graphene according to claim 1, wherein the liquid material produced through the invention of claim 1 is dried to thereby form graphene powder.
A process for producing graphene according between the electric discharge surface of the first F₁ 0 -630-US 4 FUJIT.163 material and the gas-liquid electric discharge surface of the second electrode liquid interface is 1:2 to 1:3. claim 1 era-, wherein the organic compound has claim [[3,]] 2 wherein the organic compound claim [[4,]] 3 wherein the organic compound is for producing graphene according to claim 4 compound is a C < 5 alcohol, diol, or triol. claim 5. any-ene-ef eais--te-k wherein the 2-propanol. claim 6, wherein the organic compound is claim 1, wherein the two electrodes are the liquid material has an electric discharge by a distance of 5 mm or less, and the second electric discharge surface which is apart from less. to claim 1, wherein the ratio of the distance electrode immersed in the liquid-Docket No.: interface to the distance between the placed above the liquid material and the gas-
A process for producing graphene according to an alcoholic hydroxyl group.
A process for producing graphene according to has an alcoholic h y drox y l group.
A process for producing graphene according to a C 5 5 alcohol, diol, or triol.
Docket No.: F₁₀-630-US 3 FUJIT.163 6. A process, an y-e neef eaim-t-5'^ wherein the or g anic
A process for producing graphene according to organic compound is methanol, ethanol, or 1- or
A process for producing graphene according to methanol, ethanol, or 1- or 2-propanol.
A process for producing graphene according to disposed such that the first electrode immersed in surface which is apart from the gas-liquid interface electrode placed above the liquid material has an the gas-liquid interface by a distance of 20 mm or
Materials described outside the worked examples.
graphene
organic compound in liquid material
organic compound with alcoholic hydroxyl group
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1, a graphene production apparatus 100 is configured by a tightly closable vessel 10, and in the vessel 10, an immersion electrode 20 which is immersed in …
Related documents with shared materials, methods, properties, or citations.
C₅ or lower alcohol, diol, or triol
methanol
CH₃OH
ethanol
C₂H₅OH
propanol (1- or 2-propanol)
argon
Ar
graphene dispersion in ethanol
FIG. 3 shows a Raman spectrum of the graphene produced from ethanol as the carbon source, and that of the graphene produced from 2-propanol. In each spectrum, …
FIG. 4: A transmission electron microscopic photograph of the graphene powder produced in the Example. Best Modes for Carrying Out the Invention [0010] The …
C₅ or lower alcohol, diol, or triol
methanol
CH₃OH
ethanol
C₂H₅OH
propanol (1- or 2-propanol)
argon
Ar
graphene dispersion in ethanol
FIG. 3 shows a Raman spectrum of the graphene produced from ethanol as the carbon source, and that of the graphene produced from 2-propanol. In each spectrum, …
FIG. 4: A transmission electron microscopic photograph of the graphene powder produced in the Example. Best Modes for Carrying Out the Invention [0010] The …
C₅ or lower alcohol, diol, or triol
methanol
CH₃OH
ethanol
C₂H₅OH
propanol (1- or 2-propanol)
argon
Ar
graphene dispersion in ethanol
FIG. 3 shows a Raman spectrum of the graphene produced from ethanol as the carbon source, and that of the graphene produced from 2-propanol. In each spectrum, …
FIG. 4: A transmission electron microscopic photograph of the graphene powder produced in the Example. Best Modes for Carrying Out the Invention [0010] The …
C₅ or lower alcohol, diol, or triol
methanol
CH₃OH
ethanol
C₂H₅OH
propanol (1- or 2-propanol)
argon
Ar
graphene dispersion in ethanol
FIG. 3 shows a Raman spectrum of the graphene produced from ethanol as the carbon source, and that of the graphene produced from 2-propanol. In each spectrum, …
FIG. 4: A transmission electron microscopic photograph of the graphene powder produced in the Example. Best Modes for Carrying Out the Invention [0010] The …