Patent
US 9,486,773HIERARCHICAL STRUCTURE OF GRAPHENE-CARBON NANOTUBES AND METHOD FOR PREPARING SAME
Il-Kwon Oh
US
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Patent
Atlas literature
Patent
US 9,486,773Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flowchart sequentially showing a hierarchical structure manufacturing method of graphene-carbon nanotubes according to an 20 exemplary embodiment of …
FIG. 2 shows the structure of the carbon nanotubes that are grown by mixing the graphene oxide, the first catalyst metal, and the first ion solvent at a ratio of …
FIG. 3 is a view showing the structure of
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 manufacturing a hierarchical structure of a graphene-carbon nanotube, comprising: adding a first catalyst metal and a first ion solvent to a graphite or a graphene oxide to provide a first mix material; irradiating first microwaves to the first mix material to provide a graphene-carbon nanotube conjugate; adding a second catalyst metal and a second ion solvent to the graphene- carbon nanotube conjugate to provide a second mix material; and irradiating second microwaves to the second mix material to convert the carbon nanotube into a hierarchical structure.
The method of claim 1, wherein the first catalyst metal is ground and added in the step of providing the first mix material.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide, the first catalyst metal, and the first ion solvent are mixed by ultrasonic wave processing. Page 2 of 7 Application Number 14/361,067 Attorney Docket LPP₂ 0141 073US Amendment Filed Reply to Office Action of 1 February 2016
The method of claim 1, wherein in the step of providing the second mix material, the second catalyst metal and the second ion solvent are mixed with the graphene-carbon nanotube of by ultrasonic wave processing.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide and the first catalyst metal are mixed in a ratio of 1:0.05 to 1:20.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide and the first ion solvent are mixed in a ratio of 1:0.1 to 1:20.
The method of claim 1, wherein in the step of converting the carbon nanotube into the hierarchical structure, the second microwaves are irradiated with an intensity of 100 W to 2000 W during 1 second to 1000 seconds.
The method of any one of claim 1, wherein the first catalyst metal or the second catalyst metal is at least one metal selected from a group including palladium (Pd), nickel (Ni), cobalt (C o), and iron (Fe).
The method of any one of claim 1, wherein Page 3 of 7 Application Number 14/361,067 Attorney Docket LPP₂ 0141 073US Amendment Filed Reply to Office Action of 1 February 2016 the first ion solvent or the second ion solvent is at least one ion solvent selected from a group including a 1-ethyl-3-methylimidazolium (EMIM)-based ion solvent and a 1 -butyl-3-methylimidazolium (BMIM)-based ion solvent. Page 4 of 7
Layer stacks claimed or described, ordered top of device to substrate.
hierarchical structure of graphene-carbon nanotube
Materials described outside the worked examples.
graphite
graphene oxide
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
carbon nanotube width | 10–100 nm | graphene-carbon nanotube hierarchical structure |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,486,773Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flowchart sequentially showing a hierarchical structure manufacturing method of graphene-carbon nanotubes according to an 20 exemplary embodiment of …
FIG. 2 shows the structure of the carbon nanotubes that are grown by mixing the graphene oxide, the first catalyst metal, and the first ion solvent at a ratio of …
FIG. 3 is a view showing the structure of
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 manufacturing a hierarchical structure of a graphene-carbon nanotube, comprising: adding a first catalyst metal and a first ion solvent to a graphite or a graphene oxide to provide a first mix material; irradiating first microwaves to the first mix material to provide a graphene-carbon nanotube conjugate; adding a second catalyst metal and a second ion solvent to the graphene- carbon nanotube conjugate to provide a second mix material; and irradiating second microwaves to the second mix material to convert the carbon nanotube into a hierarchical structure.
The method of claim 1, wherein the first catalyst metal is ground and added in the step of providing the first mix material.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide, the first catalyst metal, and the first ion solvent are mixed by ultrasonic wave processing. Page 2 of 7 Application Number 14/361,067 Attorney Docket LPP₂ 0141 073US Amendment Filed Reply to Office Action of 1 February 2016
The method of claim 1, wherein in the step of providing the second mix material, the second catalyst metal and the second ion solvent are mixed with the graphene-carbon nanotube of by ultrasonic wave processing.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide and the first catalyst metal are mixed in a ratio of 1:0.05 to 1:20.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide and the first ion solvent are mixed in a ratio of 1:0.1 to 1:20.
The method of claim 1, wherein in the step of converting the carbon nanotube into the hierarchical structure, the second microwaves are irradiated with an intensity of 100 W to 2000 W during 1 second to 1000 seconds.
The method of any one of claim 1, wherein the first catalyst metal or the second catalyst metal is at least one metal selected from a group including palladium (Pd), nickel (Ni), cobalt (C o), and iron (Fe).
The method of any one of claim 1, wherein Page 3 of 7 Application Number 14/361,067 Attorney Docket LPP₂ 0141 073US Amendment Filed Reply to Office Action of 1 February 2016 the first ion solvent or the second ion solvent is at least one ion solvent selected from a group including a 1-ethyl-3-methylimidazolium (EMIM)-based ion solvent and a 1 -butyl-3-methylimidazolium (BMIM)-based ion solvent. Page 4 of 7
Layer stacks claimed or described, ordered top of device to substrate.
hierarchical structure of graphene-carbon nanotube
Materials described outside the worked examples.
graphite
graphene oxide
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
carbon nanotube width | 10–100 nm | graphene-carbon nanotube hierarchical structure |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,486,773Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flowchart sequentially showing a hierarchical structure manufacturing method of graphene-carbon nanotubes according to an 20 exemplary embodiment of …
FIG. 2 shows the structure of the carbon nanotubes that are grown by mixing the graphene oxide, the first catalyst metal, and the first ion solvent at a ratio of …
FIG. 3 is a view showing the structure of
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 manufacturing a hierarchical structure of a graphene-carbon nanotube, comprising: adding a first catalyst metal and a first ion solvent to a graphite or a graphene oxide to provide a first mix material; irradiating first microwaves to the first mix material to provide a graphene-carbon nanotube conjugate; adding a second catalyst metal and a second ion solvent to the graphene- carbon nanotube conjugate to provide a second mix material; and irradiating second microwaves to the second mix material to convert the carbon nanotube into a hierarchical structure.
The method of claim 1, wherein the first catalyst metal is ground and added in the step of providing the first mix material.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide, the first catalyst metal, and the first ion solvent are mixed by ultrasonic wave processing. Page 2 of 7 Application Number 14/361,067 Attorney Docket LPP₂ 0141 073US Amendment Filed Reply to Office Action of 1 February 2016
The method of claim 1, wherein in the step of providing the second mix material, the second catalyst metal and the second ion solvent are mixed with the graphene-carbon nanotube of by ultrasonic wave processing.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide and the first catalyst metal are mixed in a ratio of 1:0.05 to 1:20.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide and the first ion solvent are mixed in a ratio of 1:0.1 to 1:20.
The method of claim 1, wherein in the step of converting the carbon nanotube into the hierarchical structure, the second microwaves are irradiated with an intensity of 100 W to 2000 W during 1 second to 1000 seconds.
The method of any one of claim 1, wherein the first catalyst metal or the second catalyst metal is at least one metal selected from a group including palladium (Pd), nickel (Ni), cobalt (C o), and iron (Fe).
The method of any one of claim 1, wherein Page 3 of 7 Application Number 14/361,067 Attorney Docket LPP₂ 0141 073US Amendment Filed Reply to Office Action of 1 February 2016 the first ion solvent or the second ion solvent is at least one ion solvent selected from a group including a 1-ethyl-3-methylimidazolium (EMIM)-based ion solvent and a 1 -butyl-3-methylimidazolium (BMIM)-based ion solvent. Page 4 of 7
Layer stacks claimed or described, ordered top of device to substrate.
hierarchical structure of graphene-carbon nanotube
Materials described outside the worked examples.
graphite
graphene oxide
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
carbon nanotube width | 10–100 nm | graphene-carbon nanotube hierarchical structure |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,486,773Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flowchart sequentially showing a hierarchical structure manufacturing method of graphene-carbon nanotubes according to an 20 exemplary embodiment of …
FIG. 2 shows the structure of the carbon nanotubes that are grown by mixing the graphene oxide, the first catalyst metal, and the first ion solvent at a ratio of …
FIG. 3 is a view showing the structure of
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 manufacturing a hierarchical structure of a graphene-carbon nanotube, comprising: adding a first catalyst metal and a first ion solvent to a graphite or a graphene oxide to provide a first mix material; irradiating first microwaves to the first mix material to provide a graphene-carbon nanotube conjugate; adding a second catalyst metal and a second ion solvent to the graphene- carbon nanotube conjugate to provide a second mix material; and irradiating second microwaves to the second mix material to convert the carbon nanotube into a hierarchical structure.
The method of claim 1, wherein the first catalyst metal is ground and added in the step of providing the first mix material.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide, the first catalyst metal, and the first ion solvent are mixed by ultrasonic wave processing. Page 2 of 7 Application Number 14/361,067 Attorney Docket LPP₂ 0141 073US Amendment Filed Reply to Office Action of 1 February 2016
The method of claim 1, wherein in the step of providing the second mix material, the second catalyst metal and the second ion solvent are mixed with the graphene-carbon nanotube of by ultrasonic wave processing.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide and the first catalyst metal are mixed in a ratio of 1:0.05 to 1:20.
The method of claim 1, wherein in the step of providing the first mix material, the graphite or the graphene oxide and the first ion solvent are mixed in a ratio of 1:0.1 to 1:20.
The method of claim 1, wherein in the step of converting the carbon nanotube into the hierarchical structure, the second microwaves are irradiated with an intensity of 100 W to 2000 W during 1 second to 1000 seconds.
The method of any one of claim 1, wherein the first catalyst metal or the second catalyst metal is at least one metal selected from a group including palladium (Pd), nickel (Ni), cobalt (C o), and iron (Fe).
The method of any one of claim 1, wherein Page 3 of 7 Application Number 14/361,067 Attorney Docket LPP₂ 0141 073US Amendment Filed Reply to Office Action of 1 February 2016 the first ion solvent or the second ion solvent is at least one ion solvent selected from a group including a 1-ethyl-3-methylimidazolium (EMIM)-based ion solvent and a 1 -butyl-3-methylimidazolium (BMIM)-based ion solvent. Page 4 of 7
Layer stacks claimed or described, ordered top of device to substrate.
hierarchical structure of graphene-carbon nanotube
Materials described outside the worked examples.
graphite
graphene oxide
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
carbon nanotube width | 10–100 nm | graphene-carbon nanotube hierarchical structure |
Related documents with shared materials, methods, properties, or citations.
graphene-carbon nanotube conjugate
first catalyst metal
second catalyst metal
first ion solvent
second ion solvent
palladium
Pd
nickel
Ni
cobalt
Co
iron
Fe
1-ethyl-3-methylimidazolium (EMIM)-based ion solvent
1-butyl-3-methylimidazolium (BMIM)-based ion solvent
graphene-carbon nanotube hierarchical structure
| 10–10000 nm–µm |
graphene-carbon nanotube hierarchical structure |
first catalyst metal particle size after grinding | 10–100 nm | first catalyst metal |
— | 100–2000 W | — |
Duration | 1–1000 seconds | — |
graphene-carbon nanotube conjugate
first catalyst metal
second catalyst metal
first ion solvent
second ion solvent
palladium
Pd
nickel
Ni
cobalt
Co
iron
Fe
1-ethyl-3-methylimidazolium (EMIM)-based ion solvent
1-butyl-3-methylimidazolium (BMIM)-based ion solvent
graphene-carbon nanotube hierarchical structure
| 10–10000 nm–µm |
graphene-carbon nanotube hierarchical structure |
first catalyst metal particle size after grinding | 10–100 nm | first catalyst metal |
— | 100–2000 W | — |
Duration | 1–1000 seconds | — |
graphene-carbon nanotube conjugate
first catalyst metal
second catalyst metal
first ion solvent
second ion solvent
palladium
Pd
nickel
Ni
cobalt
Co
iron
Fe
1-ethyl-3-methylimidazolium (EMIM)-based ion solvent
1-butyl-3-methylimidazolium (BMIM)-based ion solvent
graphene-carbon nanotube hierarchical structure
| 10–10000 nm–µm |
graphene-carbon nanotube hierarchical structure |
first catalyst metal particle size after grinding | 10–100 nm | first catalyst metal |
— | 100–2000 W | — |
Duration | 1–1000 seconds | — |
graphene-carbon nanotube conjugate
first catalyst metal
second catalyst metal
first ion solvent
second ion solvent
palladium
Pd
nickel
Ni
cobalt
Co
iron
Fe
1-ethyl-3-methylimidazolium (EMIM)-based ion solvent
1-butyl-3-methylimidazolium (BMIM)-based ion solvent
graphene-carbon nanotube hierarchical structure
| 10–10000 nm–µm |
graphene-carbon nanotube hierarchical structure |
first catalyst metal particle size after grinding | 10–100 nm | first catalyst metal |
— | 100–2000 W | — |
Duration | 1–1000 seconds | — |