Patent
US 9,702,050APPARATUS AND METHOD FOR PRODUCING A GRAPHENE MATERIAL
Chii-Rong YANG
US
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Patent
Atlas literature
Patent
US 9,702,050Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a cross-sectional view illustrating an embodiment of an apparatus for producing a graphene material according to the disclosure; and
FIG. 2 is a flow chart illustrating a method using the embodiment to produce the graphene material 25 according to the disclosure.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An apparatus for producing a graphene material, comprising: a tank that is adapted for receiving an electrolyte solution; a container that is placed in said tank, that is adapted for receiving a graphite material, and that is formed with a plurality of through holes for the electrolyte solution to pass therethrough; an agitating module that includes a control unit and an agitating unit controlled by said control unit, said agitating unit being electrically conductive to be used as a first electrode, and being inserted into said container for agitating the electrolyte solution and the graphite material; a second electrode that is disposed in said tank and that is spaced apart from said agitating unit of said agitating module; and a power supply module electrically connected to said agitating unit and said second electrode for supplying electric power to said agitating unit and said second electrode to generate an electrical potential difference between said agitating unit and said second electrode.
The apparatus as claimed in Claim 1, wherein each of said through holes of said container has a maximum diameter not greater than 5pm.
The apparatus as claimed in Claim 1, wherein said agitating unit includes a shank that is connected to said control unit, and a plurality of blades mounted to said shank opposite to said control unit.
The apparatus as claimed in Claim 1, wherein said agitating module is a homogenizer.
A method for producing a graphene material, comprising the steps of: providing an apparatus of claim 1; disposing an electrolyte solution in the tank and the container; disposing a graphite material into the container; BIRCH, STEWART, KOLASCH & BIRCH, LLP PCL/QL Application No.: 14/976,267 Docket No.: 0373-0364PUS₁ Reply to Office Action of Page 3 of 9 electrolyzing the electrolyte solution to form ions by generating a first electrical potential difference between the agitating unit and the second electrode; intercalating the ions into the graphite material; and agitating the electrolyte solution and the graphite material with the agitating module to exfoliate the graphite material.
Layer stacks claimed or described, ordered top of device to substrate.
electrochemical exfoliation apparatus for graphene production
No layer stack recorded.
Materials described outside the worked examples.
graphite material
graphene material
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene material reaction yield | >20 % | graphene material |
graphene material average thickness | 2.2 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,702,050Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a cross-sectional view illustrating an embodiment of an apparatus for producing a graphene material according to the disclosure; and
FIG. 2 is a flow chart illustrating a method using the embodiment to produce the graphene material 25 according to the disclosure.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An apparatus for producing a graphene material, comprising: a tank that is adapted for receiving an electrolyte solution; a container that is placed in said tank, that is adapted for receiving a graphite material, and that is formed with a plurality of through holes for the electrolyte solution to pass therethrough; an agitating module that includes a control unit and an agitating unit controlled by said control unit, said agitating unit being electrically conductive to be used as a first electrode, and being inserted into said container for agitating the electrolyte solution and the graphite material; a second electrode that is disposed in said tank and that is spaced apart from said agitating unit of said agitating module; and a power supply module electrically connected to said agitating unit and said second electrode for supplying electric power to said agitating unit and said second electrode to generate an electrical potential difference between said agitating unit and said second electrode.
The apparatus as claimed in Claim 1, wherein each of said through holes of said container has a maximum diameter not greater than 5pm.
The apparatus as claimed in Claim 1, wherein said agitating unit includes a shank that is connected to said control unit, and a plurality of blades mounted to said shank opposite to said control unit.
The apparatus as claimed in Claim 1, wherein said agitating module is a homogenizer.
A method for producing a graphene material, comprising the steps of: providing an apparatus of claim 1; disposing an electrolyte solution in the tank and the container; disposing a graphite material into the container; BIRCH, STEWART, KOLASCH & BIRCH, LLP PCL/QL Application No.: 14/976,267 Docket No.: 0373-0364PUS₁ Reply to Office Action of Page 3 of 9 electrolyzing the electrolyte solution to form ions by generating a first electrical potential difference between the agitating unit and the second electrode; intercalating the ions into the graphite material; and agitating the electrolyte solution and the graphite material with the agitating module to exfoliate the graphite material.
Layer stacks claimed or described, ordered top of device to substrate.
electrochemical exfoliation apparatus for graphene production
No layer stack recorded.
Materials described outside the worked examples.
graphite material
graphene material
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene material reaction yield | >20 % | graphene material |
graphene material average thickness | 2.2 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,702,050Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a cross-sectional view illustrating an embodiment of an apparatus for producing a graphene material according to the disclosure; and
FIG. 2 is a flow chart illustrating a method using the embodiment to produce the graphene material 25 according to the disclosure.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An apparatus for producing a graphene material, comprising: a tank that is adapted for receiving an electrolyte solution; a container that is placed in said tank, that is adapted for receiving a graphite material, and that is formed with a plurality of through holes for the electrolyte solution to pass therethrough; an agitating module that includes a control unit and an agitating unit controlled by said control unit, said agitating unit being electrically conductive to be used as a first electrode, and being inserted into said container for agitating the electrolyte solution and the graphite material; a second electrode that is disposed in said tank and that is spaced apart from said agitating unit of said agitating module; and a power supply module electrically connected to said agitating unit and said second electrode for supplying electric power to said agitating unit and said second electrode to generate an electrical potential difference between said agitating unit and said second electrode.
The apparatus as claimed in Claim 1, wherein each of said through holes of said container has a maximum diameter not greater than 5pm.
The apparatus as claimed in Claim 1, wherein said agitating unit includes a shank that is connected to said control unit, and a plurality of blades mounted to said shank opposite to said control unit.
The apparatus as claimed in Claim 1, wherein said agitating module is a homogenizer.
A method for producing a graphene material, comprising the steps of: providing an apparatus of claim 1; disposing an electrolyte solution in the tank and the container; disposing a graphite material into the container; BIRCH, STEWART, KOLASCH & BIRCH, LLP PCL/QL Application No.: 14/976,267 Docket No.: 0373-0364PUS₁ Reply to Office Action of Page 3 of 9 electrolyzing the electrolyte solution to form ions by generating a first electrical potential difference between the agitating unit and the second electrode; intercalating the ions into the graphite material; and agitating the electrolyte solution and the graphite material with the agitating module to exfoliate the graphite material.
Layer stacks claimed or described, ordered top of device to substrate.
electrochemical exfoliation apparatus for graphene production
No layer stack recorded.
Materials described outside the worked examples.
graphite material
graphene material
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene material reaction yield | >20 % | graphene material |
graphene material average thickness | 2.2 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,702,050Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a cross-sectional view illustrating an embodiment of an apparatus for producing a graphene material according to the disclosure; and
FIG. 2 is a flow chart illustrating a method using the embodiment to produce the graphene material 25 according to the disclosure.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An apparatus for producing a graphene material, comprising: a tank that is adapted for receiving an electrolyte solution; a container that is placed in said tank, that is adapted for receiving a graphite material, and that is formed with a plurality of through holes for the electrolyte solution to pass therethrough; an agitating module that includes a control unit and an agitating unit controlled by said control unit, said agitating unit being electrically conductive to be used as a first electrode, and being inserted into said container for agitating the electrolyte solution and the graphite material; a second electrode that is disposed in said tank and that is spaced apart from said agitating unit of said agitating module; and a power supply module electrically connected to said agitating unit and said second electrode for supplying electric power to said agitating unit and said second electrode to generate an electrical potential difference between said agitating unit and said second electrode.
The apparatus as claimed in Claim 1, wherein each of said through holes of said container has a maximum diameter not greater than 5pm.
The apparatus as claimed in Claim 1, wherein said agitating unit includes a shank that is connected to said control unit, and a plurality of blades mounted to said shank opposite to said control unit.
The apparatus as claimed in Claim 1, wherein said agitating module is a homogenizer.
A method for producing a graphene material, comprising the steps of: providing an apparatus of claim 1; disposing an electrolyte solution in the tank and the container; disposing a graphite material into the container; BIRCH, STEWART, KOLASCH & BIRCH, LLP PCL/QL Application No.: 14/976,267 Docket No.: 0373-0364PUS₁ Reply to Office Action of Page 3 of 9 electrolyzing the electrolyte solution to form ions by generating a first electrical potential difference between the agitating unit and the second electrode; intercalating the ions into the graphite material; and agitating the electrolyte solution and the graphite material with the agitating module to exfoliate the graphite material.
Layer stacks claimed or described, ordered top of device to substrate.
electrochemical exfoliation apparatus for graphene production
No layer stack recorded.
Materials described outside the worked examples.
graphite material
graphene material
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene material reaction yield | >20 % | graphene material |
graphene material average thickness | 2.2 nm |
Related documents with shared materials, methods, properties, or citations.
surfactant
electrolyte solution
sulfuric acid
H₂SO₄
copper sulfate solution
platinum
Pt
graphene material |
graphene material average area | 1–1.5 µm² | graphene material |
graphene material average resistivity | 1.4 Ω·cm | graphene material |
Voltage | ≥ 10 V | — |
Duration | ≥ 5 hours | — |
surfactant
electrolyte solution
sulfuric acid
H₂SO₄
copper sulfate solution
platinum
Pt
graphene material |
graphene material average area | 1–1.5 µm² | graphene material |
graphene material average resistivity | 1.4 Ω·cm | graphene material |
Voltage | ≥ 10 V | — |
Duration | ≥ 5 hours | — |
surfactant
electrolyte solution
sulfuric acid
H₂SO₄
copper sulfate solution
platinum
Pt
graphene material |
graphene material average area | 1–1.5 µm² | graphene material |
graphene material average resistivity | 1.4 Ω·cm | graphene material |
Voltage | ≥ 10 V | — |
Duration | ≥ 5 hours | — |
surfactant
electrolyte solution
sulfuric acid
H₂SO₄
copper sulfate solution
platinum
Pt
graphene material |
graphene material average area | 1–1.5 µm² | graphene material |
graphene material average resistivity | 1.4 Ω·cm | graphene material |
Voltage | ≥ 10 V | — |
Duration | ≥ 5 hours | — |