Patent
US 9,284,194Graphene Oxide Reducing Agent and Method for Preparing Reduced Graphene Oxide Using Same
Hyoyoung LEE
US
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US 9,284,194Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Please CANCEL claims 1-3 without prejudice to underlying subject matter in accordance canceled
A method of preparing reduced graphene oxide, comprising: reacting graphene oxide with an agent for reducing graphene oxide, wherein the agent for reducing graphene oxide includes a mixture of a reducing agent containing a halogen element with trifluoroacetic acid (CF 3 C OOH).
The method of preparing reduced graphene oxide of claim 4, wherein the reacting is performed at a temperature of SVG 13963572.11-12-2015.IGWO₆XU₇PXXIFW3.CLM.1.18.1130.2029.1247.2064.svg 0.117 0.39 Chemistry Black and white or higher.
The method of preparing reduced graphene oxide of claim 4, wherein the reducing agent containing a halogen element comprises one selected from the group consisting of HI, HCl and HBr. 2 Serial No.: 13/963,572 042088.0026
The method of preparing reduced graphene oxide of claim 4, wherein the graphene oxide is in a form of powder, paper or film.
The method of preparing reduced graphene oxide of claim 4, wherein the graphene oxide is added to a solvent comprising the trifluoroacetic acid, and then the reducing agent containing a halogen element is added to the solvent to react the graphene oxide.
A method of producing graphene, the method comprising: reducing graphene oxide in a presence of a reducing agent including a halogen element and a solvent, the solvent including an acidic compound that is a weaker acid than the reducing agent. 3 Serial No.: 13/963,572 042088.0026
The method of claim 16, wherein the acidic compound is trifluoroacetic acid (CF 3 C OOH).
The method of claim 16, further comprising: dispersing the graphene oxide in the solvent before reducing the graphene oxide in the presence
The method of claim 16, wherein the reducing of HI, HCl and HBr. 4 of the reducing agent. agent is one selected from the group consisting
Materials described outside the worked examples.
graphene oxide
reduced graphene oxide
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
C/O atomic percent ratio of reduced graphene oxide | — | reduced graphene oxide |
C/O element ratio of RGO from hydrazine hydrate (prior art) | — |
Table 1
SVG
According to the elemental analysis result shown in Table 1, an atomic percent ratio of carbon/oxygen in the gra phene oxide was 1.
p. 9
Table 2
SVG
he reduced graphene oxide prepared in Comparative Example 3 -1 was about 7,500 s/m, which can be seen from Table 2.
p. 10
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,284,194Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Please CANCEL claims 1-3 without prejudice to underlying subject matter in accordance canceled
A method of preparing reduced graphene oxide, comprising: reacting graphene oxide with an agent for reducing graphene oxide, wherein the agent for reducing graphene oxide includes a mixture of a reducing agent containing a halogen element with trifluoroacetic acid (CF 3 C OOH).
The method of preparing reduced graphene oxide of claim 4, wherein the reacting is performed at a temperature of SVG 13963572.11-12-2015.IGWO₆XU₇PXXIFW3.CLM.1.18.1130.2029.1247.2064.svg 0.117 0.39 Chemistry Black and white or higher.
The method of preparing reduced graphene oxide of claim 4, wherein the reducing agent containing a halogen element comprises one selected from the group consisting of HI, HCl and HBr. 2 Serial No.: 13/963,572 042088.0026
The method of preparing reduced graphene oxide of claim 4, wherein the graphene oxide is in a form of powder, paper or film.
The method of preparing reduced graphene oxide of claim 4, wherein the graphene oxide is added to a solvent comprising the trifluoroacetic acid, and then the reducing agent containing a halogen element is added to the solvent to react the graphene oxide.
A method of producing graphene, the method comprising: reducing graphene oxide in a presence of a reducing agent including a halogen element and a solvent, the solvent including an acidic compound that is a weaker acid than the reducing agent. 3 Serial No.: 13/963,572 042088.0026
The method of claim 16, wherein the acidic compound is trifluoroacetic acid (CF 3 C OOH).
The method of claim 16, further comprising: dispersing the graphene oxide in the solvent before reducing the graphene oxide in the presence
The method of claim 16, wherein the reducing of HI, HCl and HBr. 4 of the reducing agent. agent is one selected from the group consisting
Materials described outside the worked examples.
graphene oxide
reduced graphene oxide
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
C/O atomic percent ratio of reduced graphene oxide | — | reduced graphene oxide |
C/O element ratio of RGO from hydrazine hydrate (prior art) | — |
Table 1
SVG
According to the elemental analysis result shown in Table 1, an atomic percent ratio of carbon/oxygen in the gra phene oxide was 1.
p. 9
Table 2
SVG
he reduced graphene oxide prepared in Comparative Example 3 -1 was about 7,500 s/m, which can be seen from Table 2.
p. 10
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,284,194Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Please CANCEL claims 1-3 without prejudice to underlying subject matter in accordance canceled
A method of preparing reduced graphene oxide, comprising: reacting graphene oxide with an agent for reducing graphene oxide, wherein the agent for reducing graphene oxide includes a mixture of a reducing agent containing a halogen element with trifluoroacetic acid (CF 3 C OOH).
The method of preparing reduced graphene oxide of claim 4, wherein the reacting is performed at a temperature of SVG 13963572.11-12-2015.IGWO₆XU₇PXXIFW3.CLM.1.18.1130.2029.1247.2064.svg 0.117 0.39 Chemistry Black and white or higher.
The method of preparing reduced graphene oxide of claim 4, wherein the reducing agent containing a halogen element comprises one selected from the group consisting of HI, HCl and HBr. 2 Serial No.: 13/963,572 042088.0026
The method of preparing reduced graphene oxide of claim 4, wherein the graphene oxide is in a form of powder, paper or film.
The method of preparing reduced graphene oxide of claim 4, wherein the graphene oxide is added to a solvent comprising the trifluoroacetic acid, and then the reducing agent containing a halogen element is added to the solvent to react the graphene oxide.
A method of producing graphene, the method comprising: reducing graphene oxide in a presence of a reducing agent including a halogen element and a solvent, the solvent including an acidic compound that is a weaker acid than the reducing agent. 3 Serial No.: 13/963,572 042088.0026
The method of claim 16, wherein the acidic compound is trifluoroacetic acid (CF 3 C OOH).
The method of claim 16, further comprising: dispersing the graphene oxide in the solvent before reducing the graphene oxide in the presence
The method of claim 16, wherein the reducing of HI, HCl and HBr. 4 of the reducing agent. agent is one selected from the group consisting
Materials described outside the worked examples.
graphene oxide
reduced graphene oxide
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
C/O atomic percent ratio of reduced graphene oxide | — | reduced graphene oxide |
C/O element ratio of RGO from hydrazine hydrate (prior art) | — |
Table 1
SVG
According to the elemental analysis result shown in Table 1, an atomic percent ratio of carbon/oxygen in the gra phene oxide was 1.
p. 9
Table 2
SVG
he reduced graphene oxide prepared in Comparative Example 3 -1 was about 7,500 s/m, which can be seen from Table 2.
p. 10
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,284,194Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Please CANCEL claims 1-3 without prejudice to underlying subject matter in accordance canceled
A method of preparing reduced graphene oxide, comprising: reacting graphene oxide with an agent for reducing graphene oxide, wherein the agent for reducing graphene oxide includes a mixture of a reducing agent containing a halogen element with trifluoroacetic acid (CF 3 C OOH).
The method of preparing reduced graphene oxide of claim 4, wherein the reacting is performed at a temperature of SVG 13963572.11-12-2015.IGWO₆XU₇PXXIFW3.CLM.1.18.1130.2029.1247.2064.svg 0.117 0.39 Chemistry Black and white or higher.
The method of preparing reduced graphene oxide of claim 4, wherein the reducing agent containing a halogen element comprises one selected from the group consisting of HI, HCl and HBr. 2 Serial No.: 13/963,572 042088.0026
The method of preparing reduced graphene oxide of claim 4, wherein the graphene oxide is in a form of powder, paper or film.
The method of preparing reduced graphene oxide of claim 4, wherein the graphene oxide is added to a solvent comprising the trifluoroacetic acid, and then the reducing agent containing a halogen element is added to the solvent to react the graphene oxide.
A method of producing graphene, the method comprising: reducing graphene oxide in a presence of a reducing agent including a halogen element and a solvent, the solvent including an acidic compound that is a weaker acid than the reducing agent. 3 Serial No.: 13/963,572 042088.0026
The method of claim 16, wherein the acidic compound is trifluoroacetic acid (CF 3 C OOH).
The method of claim 16, further comprising: dispersing the graphene oxide in the solvent before reducing the graphene oxide in the presence
The method of claim 16, wherein the reducing of HI, HCl and HBr. 4 of the reducing agent. agent is one selected from the group consisting
Materials described outside the worked examples.
graphene oxide
reduced graphene oxide
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
C/O atomic percent ratio of reduced graphene oxide | — | reduced graphene oxide |
C/O element ratio of RGO from hydrazine hydrate (prior art) | — |
Table 1
SVG
According to the elemental analysis result shown in Table 1, an atomic percent ratio of carbon/oxygen in the gra phene oxide was 1.
p. 9
Table 2
SVG
he reduced graphene oxide prepared in Comparative Example 3 -1 was about 7,500 s/m, which can be seen from Table 2.
p. 10
Related documents with shared materials, methods, properties, or citations.
trifluoroacetic acid
CF₃COOH
hydroiodic acid
HI
hydrochloric acid
HCl
hydrobromic acid
HBr
graphene
hydrazine hydrate
sodium borohydride
NaBH₄
sulfuric acid
H₂SO₄
Duration | 24–72 hours | — |
Duration | 1–2 hours | — |
Temperature | ≤ 0 °C | — |
METHOD OF MANUFACTURING A GRAPHENE-CONTAINING ELECTROLYTE
trifluoroacetic acid
CF₃COOH
hydroiodic acid
HI
hydrochloric acid
HCl
hydrobromic acid
HBr
graphene
hydrazine hydrate
sodium borohydride
NaBH₄
sulfuric acid
H₂SO₄
Duration | 24–72 hours | — |
Duration | 1–2 hours | — |
Temperature | ≤ 0 °C | — |
METHOD OF MANUFACTURING A GRAPHENE-CONTAINING ELECTROLYTE
trifluoroacetic acid
CF₃COOH
hydroiodic acid
HI
hydrochloric acid
HCl
hydrobromic acid
HBr
graphene
hydrazine hydrate
sodium borohydride
NaBH₄
sulfuric acid
H₂SO₄
Duration | 24–72 hours | — |
Duration | 1–2 hours | — |
Temperature | ≤ 0 °C | — |
METHOD OF MANUFACTURING A GRAPHENE-CONTAINING ELECTROLYTE
trifluoroacetic acid
CF₃COOH
hydroiodic acid
HI
hydrochloric acid
HCl
hydrobromic acid
HBr
graphene
hydrazine hydrate
sodium borohydride
NaBH₄
sulfuric acid
H₂SO₄
Duration | 24–72 hours | — |
Duration | 1–2 hours | — |
Temperature | ≤ 0 °C | — |
METHOD OF MANUFACTURING A GRAPHENE-CONTAINING ELECTROLYTE