Patent
US 10,193,146METHODS FOR MANUFACTURING GRAPHENE BASED MATERIAL
QUAN-HONG YANG
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,193,146Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1, one exemplary embodiment of a method for manufacturing graphene composite material includes the following steps: SI, providing a graphene oxide …
FIG. 2, in another exemplary embodiment, step S₃ includes substeps S₃₁ of filtering the graphene dispersion to achieve a graphene composite film; and substep S₃₂ …
FIG. 3, another exemplary embodiment of the method for manufacturing graphene composite material includes the following steps: S 101, providing a graphene …
FIG. 4, the graphene composite material includes a three-dimensional porous graphene macrostructure, and elemental sulfur deposited on surfaces of the three- …
FIG. 5, one exemplary embodiment of a lithium sulfur ba tt ery 10 using the above-described graphene composite material includes a cathode electrode plate 12, …
FIG. 6, an initial discharge capacity of the lithium sulfur battery is about 1300 milliampere-hours per gram (mA h/g). [0038] Referring to
FIG. 7, one embodiment of a method for manufacturing graphene includes the following steps: S₂₀ 1, providing a graphene oxide dispersion comprising graphene …
FIG. 8, another exemplary embodiment of a method for manufacturing graphene includes the following steps: S 301, providing a graphene oxide dispersion …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for manufacturing graphene based material comprising: providing a graphene oxide dispersion comprising graphene oxide dispersed in solvent; directly introducing a hydrogen sulfide gas to the graphene oxide dispersion at a redox reacting temperature t create a graphene dispersion, the graphene dispersion created by a redox reaction between the graphene oxide and the hydrogen sulfide gas, wherein the hydrogen sulfide reduces the graphene oxide into graphene, and elemental sulfur produced from the hydrogen sulfide is deposited on surfaces of the graphene; solvothermal reacting the graphene dispersion to achieve a graphene-based gel comprising a three dimensional porous graphene macrostructure and elemental sulfur deposited on surfaces and pores of the three dimensional porous graphene macrostructure, with the three dimensional porous graphene macrostructure being a free-standing structure; and removing the solvent to achieve the graphene based material.. Currently amended
The method of claim 1, wherein the redox reacting temperature [[range]] ranges from about 0 C to about 260 0 C. Currently amended
The method of claim 1, wherein [[the]] removing the solvent comprises freeze-drying the graphene dispersion. Currently amended
The method of claim 1, wherein before the solvothermal reacting, sulfur dioxide gas introduced into the graphene dispersion, forms elemental sulfur on the surfaces of the graphene. Currently amended
The method of claim 1, wherein the solven is removed b y at least one of: evaporating [[the]] solvent from the graphene dispersion at room temperature[[,]]; vacuum heating the solvent [[,]], heating the solvent a atmospheric conditions, being in a protective gas, and supercritical drying. Currently amended
The method of claim 1, wherein selecting the solvent comprises selecting a solvent from a group consisting of water, ethanol, isopropanol, ethylene glycol, N,N-dimethylformamide, N-methylpyrrolidone, tetrahydrofuran, and combinations thereof. Currently amended
The method of claim 1, wherein a graphene oxide concentration in the graphene oxide dispersion ranges from about 0.05 mg/mL to about 30 mg/mL. Currently amended
The method of claim 1, further comprising the solvothermal reacting [[is]]bein g processed at a temperature ran ging from about 50 ° C to about 360 ° C for about 0.1 hours to about 120 hours. Currently amended
The method of claim 1, wherein a mass percentage of the elemental sulfur on the surface of the grapheme is maintained between 5 % to 95 % by controlling the introduction of hydrogen sulfide gas. Currently amended
The method of claim 1, wherein a pore volume of the three dimensional porous graphene macrostructure is in a range of 0.05 cm3/g to 5.2 cm3/g. Currently amended
. Canceled
The method of claim [[9]] 1, further comprising removing the elemental sulfur from the graphene surface, b removing the elemental sulfu using a thermal treatment at a temperature from about 150 ° C to about 1000 ° C [[to]] that [[evaporate]] evaporates the elemental sulfur from the surface of the graphene. Currently amended
The method of claim [[9]] 1, further comprising: using an organic liquid for removing the elemental sulfur from the surface of the grapheme-Page 3 of 6 by dissolving the elemental sulfur on the surface of the grapheme. Currently amended
The method of claim 11, wherein the organic liquid used to remove the elemental sulfur from the surface of the grapheme is selected from a group consisting of carbon disulfide, carbon tetrachloride, benzene, toluene, and combinations thereof. Currently amended
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
300 mg of graphite oxide added to 100 mL of deionized water, ultrasonically treated at ~200 W for ~2.5 hours to achieve graphene oxide dispersion at 3 mg/mL concentration.
4 materials1 process step
Hydrogen sulfide gas introduced to graphene oxide dispersion at ~75°C reacting temperature; H₂S reduces graphene oxide to graphene sheets and elemental sulfur deposits on graphene surfaces.
1 material1 process step
Graphene dispersion freeze-dried at about -56°C to remove solvent, yielding graphene composite powder.
1 material1 process step
Graphene dispersion filtered to form graphene composite film; film freeze-dried at about -57°C to remove residual solvent.
1 material1 process step
Graphene dispersion solvothermally reacted at 70–200°C for 2–48 hours in a sealed autoclave to form a graphene-based gel with three-dimensional porous macrostructure and elemental sulfur in pores and on surfaces.
Layer stacks claimed or described, ordered top of device to substrate.
three-dimensional porous graphene macrostructure
Materials described outside the worked examples.
sulfur dioxide gas
SO₂
solvent
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene oxide concentration in dispersion (claimed range) | 0.05–30 | graphene oxide |
pore volume of 3D porous graphene macrostructure (claimed range) | 0.05–5.2 |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
HIGHLY OXIDIZED GRAPHENE OXIDE AND METHODS FOR PRODUCTION THEREOF
Patent
Atlas literature
Patent
US 10,193,146Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1, one exemplary embodiment of a method for manufacturing graphene composite material includes the following steps: SI, providing a graphene oxide …
FIG. 2, in another exemplary embodiment, step S₃ includes substeps S₃₁ of filtering the graphene dispersion to achieve a graphene composite film; and substep S₃₂ …
FIG. 3, another exemplary embodiment of the method for manufacturing graphene composite material includes the following steps: S 101, providing a graphene …
FIG. 4, the graphene composite material includes a three-dimensional porous graphene macrostructure, and elemental sulfur deposited on surfaces of the three- …
FIG. 5, one exemplary embodiment of a lithium sulfur ba tt ery 10 using the above-described graphene composite material includes a cathode electrode plate 12, …
FIG. 6, an initial discharge capacity of the lithium sulfur battery is about 1300 milliampere-hours per gram (mA h/g). [0038] Referring to
FIG. 7, one embodiment of a method for manufacturing graphene includes the following steps: S₂₀ 1, providing a graphene oxide dispersion comprising graphene …
FIG. 8, another exemplary embodiment of a method for manufacturing graphene includes the following steps: S 301, providing a graphene oxide dispersion …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for manufacturing graphene based material comprising: providing a graphene oxide dispersion comprising graphene oxide dispersed in solvent; directly introducing a hydrogen sulfide gas to the graphene oxide dispersion at a redox reacting temperature t create a graphene dispersion, the graphene dispersion created by a redox reaction between the graphene oxide and the hydrogen sulfide gas, wherein the hydrogen sulfide reduces the graphene oxide into graphene, and elemental sulfur produced from the hydrogen sulfide is deposited on surfaces of the graphene; solvothermal reacting the graphene dispersion to achieve a graphene-based gel comprising a three dimensional porous graphene macrostructure and elemental sulfur deposited on surfaces and pores of the three dimensional porous graphene macrostructure, with the three dimensional porous graphene macrostructure being a free-standing structure; and removing the solvent to achieve the graphene based material.. Currently amended
The method of claim 1, wherein the redox reacting temperature [[range]] ranges from about 0 C to about 260 0 C. Currently amended
The method of claim 1, wherein [[the]] removing the solvent comprises freeze-drying the graphene dispersion. Currently amended
The method of claim 1, wherein before the solvothermal reacting, sulfur dioxide gas introduced into the graphene dispersion, forms elemental sulfur on the surfaces of the graphene. Currently amended
The method of claim 1, wherein the solven is removed b y at least one of: evaporating [[the]] solvent from the graphene dispersion at room temperature[[,]]; vacuum heating the solvent [[,]], heating the solvent a atmospheric conditions, being in a protective gas, and supercritical drying. Currently amended
The method of claim 1, wherein selecting the solvent comprises selecting a solvent from a group consisting of water, ethanol, isopropanol, ethylene glycol, N,N-dimethylformamide, N-methylpyrrolidone, tetrahydrofuran, and combinations thereof. Currently amended
The method of claim 1, wherein a graphene oxide concentration in the graphene oxide dispersion ranges from about 0.05 mg/mL to about 30 mg/mL. Currently amended
The method of claim 1, further comprising the solvothermal reacting [[is]]bein g processed at a temperature ran ging from about 50 ° C to about 360 ° C for about 0.1 hours to about 120 hours. Currently amended
The method of claim 1, wherein a mass percentage of the elemental sulfur on the surface of the grapheme is maintained between 5 % to 95 % by controlling the introduction of hydrogen sulfide gas. Currently amended
The method of claim 1, wherein a pore volume of the three dimensional porous graphene macrostructure is in a range of 0.05 cm3/g to 5.2 cm3/g. Currently amended
. Canceled
The method of claim [[9]] 1, further comprising removing the elemental sulfur from the graphene surface, b removing the elemental sulfu using a thermal treatment at a temperature from about 150 ° C to about 1000 ° C [[to]] that [[evaporate]] evaporates the elemental sulfur from the surface of the graphene. Currently amended
The method of claim [[9]] 1, further comprising: using an organic liquid for removing the elemental sulfur from the surface of the grapheme-Page 3 of 6 by dissolving the elemental sulfur on the surface of the grapheme. Currently amended
The method of claim 11, wherein the organic liquid used to remove the elemental sulfur from the surface of the grapheme is selected from a group consisting of carbon disulfide, carbon tetrachloride, benzene, toluene, and combinations thereof. Currently amended
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
300 mg of graphite oxide added to 100 mL of deionized water, ultrasonically treated at ~200 W for ~2.5 hours to achieve graphene oxide dispersion at 3 mg/mL concentration.
4 materials1 process step
Hydrogen sulfide gas introduced to graphene oxide dispersion at ~75°C reacting temperature; H₂S reduces graphene oxide to graphene sheets and elemental sulfur deposits on graphene surfaces.
1 material1 process step
Graphene dispersion freeze-dried at about -56°C to remove solvent, yielding graphene composite powder.
1 material1 process step
Graphene dispersion filtered to form graphene composite film; film freeze-dried at about -57°C to remove residual solvent.
1 material1 process step
Graphene dispersion solvothermally reacted at 70–200°C for 2–48 hours in a sealed autoclave to form a graphene-based gel with three-dimensional porous macrostructure and elemental sulfur in pores and on surfaces.
Layer stacks claimed or described, ordered top of device to substrate.
three-dimensional porous graphene macrostructure
Materials described outside the worked examples.
sulfur dioxide gas
SO₂
solvent
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene oxide concentration in dispersion (claimed range) | 0.05–30 | graphene oxide |
pore volume of 3D porous graphene macrostructure (claimed range) | 0.05–5.2 |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
HIGHLY OXIDIZED GRAPHENE OXIDE AND METHODS FOR PRODUCTION THEREOF
Patent
Atlas literature
Patent
US 10,193,146Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1, one exemplary embodiment of a method for manufacturing graphene composite material includes the following steps: SI, providing a graphene oxide …
FIG. 2, in another exemplary embodiment, step S₃ includes substeps S₃₁ of filtering the graphene dispersion to achieve a graphene composite film; and substep S₃₂ …
FIG. 3, another exemplary embodiment of the method for manufacturing graphene composite material includes the following steps: S 101, providing a graphene …
FIG. 4, the graphene composite material includes a three-dimensional porous graphene macrostructure, and elemental sulfur deposited on surfaces of the three- …
FIG. 5, one exemplary embodiment of a lithium sulfur ba tt ery 10 using the above-described graphene composite material includes a cathode electrode plate 12, …
FIG. 6, an initial discharge capacity of the lithium sulfur battery is about 1300 milliampere-hours per gram (mA h/g). [0038] Referring to
FIG. 7, one embodiment of a method for manufacturing graphene includes the following steps: S₂₀ 1, providing a graphene oxide dispersion comprising graphene …
FIG. 8, another exemplary embodiment of a method for manufacturing graphene includes the following steps: S 301, providing a graphene oxide dispersion …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for manufacturing graphene based material comprising: providing a graphene oxide dispersion comprising graphene oxide dispersed in solvent; directly introducing a hydrogen sulfide gas to the graphene oxide dispersion at a redox reacting temperature t create a graphene dispersion, the graphene dispersion created by a redox reaction between the graphene oxide and the hydrogen sulfide gas, wherein the hydrogen sulfide reduces the graphene oxide into graphene, and elemental sulfur produced from the hydrogen sulfide is deposited on surfaces of the graphene; solvothermal reacting the graphene dispersion to achieve a graphene-based gel comprising a three dimensional porous graphene macrostructure and elemental sulfur deposited on surfaces and pores of the three dimensional porous graphene macrostructure, with the three dimensional porous graphene macrostructure being a free-standing structure; and removing the solvent to achieve the graphene based material.. Currently amended
The method of claim 1, wherein the redox reacting temperature [[range]] ranges from about 0 C to about 260 0 C. Currently amended
The method of claim 1, wherein [[the]] removing the solvent comprises freeze-drying the graphene dispersion. Currently amended
The method of claim 1, wherein before the solvothermal reacting, sulfur dioxide gas introduced into the graphene dispersion, forms elemental sulfur on the surfaces of the graphene. Currently amended
The method of claim 1, wherein the solven is removed b y at least one of: evaporating [[the]] solvent from the graphene dispersion at room temperature[[,]]; vacuum heating the solvent [[,]], heating the solvent a atmospheric conditions, being in a protective gas, and supercritical drying. Currently amended
The method of claim 1, wherein selecting the solvent comprises selecting a solvent from a group consisting of water, ethanol, isopropanol, ethylene glycol, N,N-dimethylformamide, N-methylpyrrolidone, tetrahydrofuran, and combinations thereof. Currently amended
The method of claim 1, wherein a graphene oxide concentration in the graphene oxide dispersion ranges from about 0.05 mg/mL to about 30 mg/mL. Currently amended
The method of claim 1, further comprising the solvothermal reacting [[is]]bein g processed at a temperature ran ging from about 50 ° C to about 360 ° C for about 0.1 hours to about 120 hours. Currently amended
The method of claim 1, wherein a mass percentage of the elemental sulfur on the surface of the grapheme is maintained between 5 % to 95 % by controlling the introduction of hydrogen sulfide gas. Currently amended
The method of claim 1, wherein a pore volume of the three dimensional porous graphene macrostructure is in a range of 0.05 cm3/g to 5.2 cm3/g. Currently amended
. Canceled
The method of claim [[9]] 1, further comprising removing the elemental sulfur from the graphene surface, b removing the elemental sulfu using a thermal treatment at a temperature from about 150 ° C to about 1000 ° C [[to]] that [[evaporate]] evaporates the elemental sulfur from the surface of the graphene. Currently amended
The method of claim [[9]] 1, further comprising: using an organic liquid for removing the elemental sulfur from the surface of the grapheme-Page 3 of 6 by dissolving the elemental sulfur on the surface of the grapheme. Currently amended
The method of claim 11, wherein the organic liquid used to remove the elemental sulfur from the surface of the grapheme is selected from a group consisting of carbon disulfide, carbon tetrachloride, benzene, toluene, and combinations thereof. Currently amended
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
300 mg of graphite oxide added to 100 mL of deionized water, ultrasonically treated at ~200 W for ~2.5 hours to achieve graphene oxide dispersion at 3 mg/mL concentration.
4 materials1 process step
Hydrogen sulfide gas introduced to graphene oxide dispersion at ~75°C reacting temperature; H₂S reduces graphene oxide to graphene sheets and elemental sulfur deposits on graphene surfaces.
1 material1 process step
Graphene dispersion freeze-dried at about -56°C to remove solvent, yielding graphene composite powder.
1 material1 process step
Graphene dispersion filtered to form graphene composite film; film freeze-dried at about -57°C to remove residual solvent.
1 material1 process step
Graphene dispersion solvothermally reacted at 70–200°C for 2–48 hours in a sealed autoclave to form a graphene-based gel with three-dimensional porous macrostructure and elemental sulfur in pores and on surfaces.
Layer stacks claimed or described, ordered top of device to substrate.
three-dimensional porous graphene macrostructure
Materials described outside the worked examples.
sulfur dioxide gas
SO₂
solvent
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene oxide concentration in dispersion (claimed range) | 0.05–30 | graphene oxide |
pore volume of 3D porous graphene macrostructure (claimed range) | 0.05–5.2 |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
HIGHLY OXIDIZED GRAPHENE OXIDE AND METHODS FOR PRODUCTION THEREOF
Patent
Atlas literature
Patent
US 10,193,146Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1, one exemplary embodiment of a method for manufacturing graphene composite material includes the following steps: SI, providing a graphene oxide …
FIG. 2, in another exemplary embodiment, step S₃ includes substeps S₃₁ of filtering the graphene dispersion to achieve a graphene composite film; and substep S₃₂ …
FIG. 3, another exemplary embodiment of the method for manufacturing graphene composite material includes the following steps: S 101, providing a graphene …
FIG. 4, the graphene composite material includes a three-dimensional porous graphene macrostructure, and elemental sulfur deposited on surfaces of the three- …
FIG. 5, one exemplary embodiment of a lithium sulfur ba tt ery 10 using the above-described graphene composite material includes a cathode electrode plate 12, …
FIG. 6, an initial discharge capacity of the lithium sulfur battery is about 1300 milliampere-hours per gram (mA h/g). [0038] Referring to
FIG. 7, one embodiment of a method for manufacturing graphene includes the following steps: S₂₀ 1, providing a graphene oxide dispersion comprising graphene …
FIG. 8, another exemplary embodiment of a method for manufacturing graphene includes the following steps: S 301, providing a graphene oxide dispersion …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for manufacturing graphene based material comprising: providing a graphene oxide dispersion comprising graphene oxide dispersed in solvent; directly introducing a hydrogen sulfide gas to the graphene oxide dispersion at a redox reacting temperature t create a graphene dispersion, the graphene dispersion created by a redox reaction between the graphene oxide and the hydrogen sulfide gas, wherein the hydrogen sulfide reduces the graphene oxide into graphene, and elemental sulfur produced from the hydrogen sulfide is deposited on surfaces of the graphene; solvothermal reacting the graphene dispersion to achieve a graphene-based gel comprising a three dimensional porous graphene macrostructure and elemental sulfur deposited on surfaces and pores of the three dimensional porous graphene macrostructure, with the three dimensional porous graphene macrostructure being a free-standing structure; and removing the solvent to achieve the graphene based material.. Currently amended
The method of claim 1, wherein the redox reacting temperature [[range]] ranges from about 0 C to about 260 0 C. Currently amended
The method of claim 1, wherein [[the]] removing the solvent comprises freeze-drying the graphene dispersion. Currently amended
The method of claim 1, wherein before the solvothermal reacting, sulfur dioxide gas introduced into the graphene dispersion, forms elemental sulfur on the surfaces of the graphene. Currently amended
The method of claim 1, wherein the solven is removed b y at least one of: evaporating [[the]] solvent from the graphene dispersion at room temperature[[,]]; vacuum heating the solvent [[,]], heating the solvent a atmospheric conditions, being in a protective gas, and supercritical drying. Currently amended
The method of claim 1, wherein selecting the solvent comprises selecting a solvent from a group consisting of water, ethanol, isopropanol, ethylene glycol, N,N-dimethylformamide, N-methylpyrrolidone, tetrahydrofuran, and combinations thereof. Currently amended
The method of claim 1, wherein a graphene oxide concentration in the graphene oxide dispersion ranges from about 0.05 mg/mL to about 30 mg/mL. Currently amended
The method of claim 1, further comprising the solvothermal reacting [[is]]bein g processed at a temperature ran ging from about 50 ° C to about 360 ° C for about 0.1 hours to about 120 hours. Currently amended
The method of claim 1, wherein a mass percentage of the elemental sulfur on the surface of the grapheme is maintained between 5 % to 95 % by controlling the introduction of hydrogen sulfide gas. Currently amended
The method of claim 1, wherein a pore volume of the three dimensional porous graphene macrostructure is in a range of 0.05 cm3/g to 5.2 cm3/g. Currently amended
. Canceled
The method of claim [[9]] 1, further comprising removing the elemental sulfur from the graphene surface, b removing the elemental sulfu using a thermal treatment at a temperature from about 150 ° C to about 1000 ° C [[to]] that [[evaporate]] evaporates the elemental sulfur from the surface of the graphene. Currently amended
The method of claim [[9]] 1, further comprising: using an organic liquid for removing the elemental sulfur from the surface of the grapheme-Page 3 of 6 by dissolving the elemental sulfur on the surface of the grapheme. Currently amended
The method of claim 11, wherein the organic liquid used to remove the elemental sulfur from the surface of the grapheme is selected from a group consisting of carbon disulfide, carbon tetrachloride, benzene, toluene, and combinations thereof. Currently amended
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
300 mg of graphite oxide added to 100 mL of deionized water, ultrasonically treated at ~200 W for ~2.5 hours to achieve graphene oxide dispersion at 3 mg/mL concentration.
4 materials1 process step
Hydrogen sulfide gas introduced to graphene oxide dispersion at ~75°C reacting temperature; H₂S reduces graphene oxide to graphene sheets and elemental sulfur deposits on graphene surfaces.
1 material1 process step
Graphene dispersion freeze-dried at about -56°C to remove solvent, yielding graphene composite powder.
1 material1 process step
Graphene dispersion filtered to form graphene composite film; film freeze-dried at about -57°C to remove residual solvent.
1 material1 process step
Graphene dispersion solvothermally reacted at 70–200°C for 2–48 hours in a sealed autoclave to form a graphene-based gel with three-dimensional porous macrostructure and elemental sulfur in pores and on surfaces.
Layer stacks claimed or described, ordered top of device to substrate.
three-dimensional porous graphene macrostructure
Materials described outside the worked examples.
sulfur dioxide gas
SO₂
solvent
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene oxide concentration in dispersion (claimed range) | 0.05–30 | graphene oxide |
pore volume of 3D porous graphene macrostructure (claimed range) | 0.05–5.2 |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
HIGHLY OXIDIZED GRAPHENE OXIDE AND METHODS FOR PRODUCTION THEREOF
organic liquid
organic liquid for sulfur removal (carbon disulfide, carbon tetrachloride, benzene, toluene)
pore size distribution of 3D porous graphene macrostructure (claimed range) | 0.4–10000 | three-dimensional porous graphene macrostructure |
elemental sulfur mass percentage on graphene surface (claimed range) | 5–95 | S |
Temperature | 5–100 °C | — |
Temperature | 0–196 °C | — |
Duration | 2–96 hours | — |
Temperature | 0–60 °C | — |
Duration | 4–12 hours | — |
Temperature | 50–360 °C | — |
Duration | 0.1–120 hours | — |
Temperature | 70–200 °C | — |
Duration | 2–48 hours | — |
Temperature | 0–96 °C | — |
Temperature | 150–1000 °C | — |
Duration | 0.5–72 hours | — |
Temperature | 200–600 °C | — |
Duration | 2–12 hours | — |
organic liquid
organic liquid for sulfur removal (carbon disulfide, carbon tetrachloride, benzene, toluene)
pore size distribution of 3D porous graphene macrostructure (claimed range) | 0.4–10000 | three-dimensional porous graphene macrostructure |
elemental sulfur mass percentage on graphene surface (claimed range) | 5–95 | S |
Temperature | 5–100 °C | — |
Temperature | 0–196 °C | — |
Duration | 2–96 hours | — |
Temperature | 0–60 °C | — |
Duration | 4–12 hours | — |
Temperature | 50–360 °C | — |
Duration | 0.1–120 hours | — |
Temperature | 70–200 °C | — |
Duration | 2–48 hours | — |
Temperature | 0–96 °C | — |
Temperature | 150–1000 °C | — |
Duration | 0.5–72 hours | — |
Temperature | 200–600 °C | — |
Duration | 2–12 hours | — |
organic liquid
organic liquid for sulfur removal (carbon disulfide, carbon tetrachloride, benzene, toluene)
pore size distribution of 3D porous graphene macrostructure (claimed range) | 0.4–10000 | three-dimensional porous graphene macrostructure |
elemental sulfur mass percentage on graphene surface (claimed range) | 5–95 | S |
Temperature | 5–100 °C | — |
Temperature | 0–196 °C | — |
Duration | 2–96 hours | — |
Temperature | 0–60 °C | — |
Duration | 4–12 hours | — |
Temperature | 50–360 °C | — |
Duration | 0.1–120 hours | — |
Temperature | 70–200 °C | — |
Duration | 2–48 hours | — |
Temperature | 0–96 °C | — |
Temperature | 150–1000 °C | — |
Duration | 0.5–72 hours | — |
Temperature | 200–600 °C | — |
Duration | 2–12 hours | — |
organic liquid
organic liquid for sulfur removal (carbon disulfide, carbon tetrachloride, benzene, toluene)
pore size distribution of 3D porous graphene macrostructure (claimed range) | 0.4–10000 | three-dimensional porous graphene macrostructure |
elemental sulfur mass percentage on graphene surface (claimed range) | 5–95 | S |
Temperature | 5–100 °C | — |
Temperature | 0–196 °C | — |
Duration | 2–96 hours | — |
Temperature | 0–60 °C | — |
Duration | 4–12 hours | — |
Temperature | 50–360 °C | — |
Duration | 0.1–120 hours | — |
Temperature | 70–200 °C | — |
Duration | 2–48 hours | — |
Temperature | 0–96 °C | — |
Temperature | 150–1000 °C | — |
Duration | 0.5–72 hours | — |
Temperature | 200–600 °C | — |
Duration | 2–12 hours | — |