Patent
US 10,199,642ELECTRODE MATERIAL COMPRISING GRAPHENE-COMPOSITE MATERIALS IN A GRAPHITE NETWORK
Harold H. KUNG
US
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Patent
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Patent
US 10,199,642Patent 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.
A method of preparing a silicon graphene material, the method comprising: combining graphite oxide and oxidized silicon to form a mixture; and reducing the mixture in an atmosphere of hydrogen and argon, thereby forming a silicon graphene material having a network structure, the network structure comprising: regions of ordered graphite; and composite regions comprising disordered graphene and electrically active particles dispersed in the disordered graphene, wherein the composite regions are integrated with the regions of ordered graphite to form the network structure.
The method of claim 1, wherein the atmosphere of hydrogen and argon comprises about 10% hydrogen at an argon flow of about 100 ml/min total rate.
The method of claim 1, wherein the silicon graphene material exhibits an x-ray diffraction peak at about 26.4 * 20.
The method of claim 1, further comprising: forming an electrode comprising the silicon graphene material; and forming in an electrochemical cell comprising the electrode. 16
Layer stacks claimed or described, ordered top of device to substrate.
lithium ion battery anode
Materials described outside the worked examples.
graphite oxide
oxidized silicon
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Electrical Conductivity | 13–33 | silicon graphene material |
Xrd Peak Two Theta | 26.4 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,199,642Patent 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.
A method of preparing a silicon graphene material, the method comprising: combining graphite oxide and oxidized silicon to form a mixture; and reducing the mixture in an atmosphere of hydrogen and argon, thereby forming a silicon graphene material having a network structure, the network structure comprising: regions of ordered graphite; and composite regions comprising disordered graphene and electrically active particles dispersed in the disordered graphene, wherein the composite regions are integrated with the regions of ordered graphite to form the network structure.
The method of claim 1, wherein the atmosphere of hydrogen and argon comprises about 10% hydrogen at an argon flow of about 100 ml/min total rate.
The method of claim 1, wherein the silicon graphene material exhibits an x-ray diffraction peak at about 26.4 * 20.
The method of claim 1, further comprising: forming an electrode comprising the silicon graphene material; and forming in an electrochemical cell comprising the electrode. 16
Layer stacks claimed or described, ordered top of device to substrate.
lithium ion battery anode
Materials described outside the worked examples.
graphite oxide
oxidized silicon
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Electrical Conductivity | 13–33 | silicon graphene material |
Xrd Peak Two Theta | 26.4 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,199,642Patent 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.
A method of preparing a silicon graphene material, the method comprising: combining graphite oxide and oxidized silicon to form a mixture; and reducing the mixture in an atmosphere of hydrogen and argon, thereby forming a silicon graphene material having a network structure, the network structure comprising: regions of ordered graphite; and composite regions comprising disordered graphene and electrically active particles dispersed in the disordered graphene, wherein the composite regions are integrated with the regions of ordered graphite to form the network structure.
The method of claim 1, wherein the atmosphere of hydrogen and argon comprises about 10% hydrogen at an argon flow of about 100 ml/min total rate.
The method of claim 1, wherein the silicon graphene material exhibits an x-ray diffraction peak at about 26.4 * 20.
The method of claim 1, further comprising: forming an electrode comprising the silicon graphene material; and forming in an electrochemical cell comprising the electrode. 16
Layer stacks claimed or described, ordered top of device to substrate.
lithium ion battery anode
Materials described outside the worked examples.
graphite oxide
oxidized silicon
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Electrical Conductivity | 13–33 | silicon graphene material |
Xrd Peak Two Theta | 26.4 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,199,642Patent 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.
A method of preparing a silicon graphene material, the method comprising: combining graphite oxide and oxidized silicon to form a mixture; and reducing the mixture in an atmosphere of hydrogen and argon, thereby forming a silicon graphene material having a network structure, the network structure comprising: regions of ordered graphite; and composite regions comprising disordered graphene and electrically active particles dispersed in the disordered graphene, wherein the composite regions are integrated with the regions of ordered graphite to form the network structure.
The method of claim 1, wherein the atmosphere of hydrogen and argon comprises about 10% hydrogen at an argon flow of about 100 ml/min total rate.
The method of claim 1, wherein the silicon graphene material exhibits an x-ray diffraction peak at about 26.4 * 20.
The method of claim 1, further comprising: forming an electrode comprising the silicon graphene material; and forming in an electrochemical cell comprising the electrode. 16
Layer stacks claimed or described, ordered top of device to substrate.
lithium ion battery anode
Materials described outside the worked examples.
graphite oxide
oxidized silicon
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Electrical Conductivity | 13–33 | silicon graphene material |
Xrd Peak Two Theta | 26.4 |
Related documents with shared materials, methods, properties, or citations.
disordered graphene
ordered graphite
silicon graphene material
silicon nanoparticles
Si
tin nanoparticles
Sn
germanium nanoparticles
Ge
gallium nanoparticles
Ga
lithium titanium oxide
silicon graphene material |
Lithium Ion Storage Capacity | ≥ 1000 | silicon graphene material |
Thickness | 21–22 nm | — |
Thickness | 20–25 nm | — |
Thickness | ≤ 30 nm | — |
disordered graphene
ordered graphite
silicon graphene material
silicon nanoparticles
Si
tin nanoparticles
Sn
germanium nanoparticles
Ge
gallium nanoparticles
Ga
lithium titanium oxide
silicon graphene material |
Lithium Ion Storage Capacity | ≥ 1000 | silicon graphene material |
Thickness | 21–22 nm | — |
Thickness | 20–25 nm | — |
Thickness | ≤ 30 nm | — |
disordered graphene
ordered graphite
silicon graphene material
silicon nanoparticles
Si
tin nanoparticles
Sn
germanium nanoparticles
Ge
gallium nanoparticles
Ga
lithium titanium oxide
silicon graphene material |
Lithium Ion Storage Capacity | ≥ 1000 | silicon graphene material |
Thickness | 21–22 nm | — |
Thickness | 20–25 nm | — |
Thickness | ≤ 30 nm | — |
disordered graphene
ordered graphite
silicon graphene material
silicon nanoparticles
Si
tin nanoparticles
Sn
germanium nanoparticles
Ge
gallium nanoparticles
Ga
lithium titanium oxide
silicon graphene material |
Lithium Ion Storage Capacity | ≥ 1000 | silicon graphene material |
Thickness | 21–22 nm | — |
Thickness | 20–25 nm | — |
Thickness | ≤ 30 nm | — |