Patent
US 9,859,030METHOD OF MANUFACTURING GRAPHENE-COATED COMPOSITE POWDER
Sujeong SUH
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,859,030Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flowchart for describing an example of a method of manufacturing a composite powder according to the present disclosure. [0026]
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
FIG. 3 shows TEM images of composite powder particles prepared 10 according to a comparative example. [0029]
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
FIGS. 5A and 5B are images for describing dispersion stability of composite 15 powder particles prepared according to the example described with reference to …
FIG. 6 is a schematic diagram illustrating an example of a nano-particle in a powder manufactured by the method described with reference to FIG 1. [0032] …
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 manufacturing composite powder, the method comprising: coating a metal wire with a carbon-based material; and performing a wire explosion on the metal wire coated with the carbon-based material in a solution. Original
The method according to claim 1, wherein the metal wire is composed of copper, nickel, aluminum, iron, gold, silver, stainless steel, tin, zin c, titanium, tantalum, an alloy thereof, or a mixture thereof. Original
The method according to claim 1, wherein the carbon-based material comprises graphene or graphite. Original
The method according to claim 1, wherein the solution is an organic solution, an inorganic solution, or an organic and inorganic solution mixture. Original
The method according to claim 1, wherein the metal powder obtained by the wire explosion comprises composite nanoparticles each comprising a metal core coated with a multilayer graphene sheet having a thickness of approximately 1 to 20 carbon atom layers. Original
A composite powder, comprising: a metal particle coated with a carbon-coated layer, the carbon-coated layer comprising a multilayer graphene film coating a surface of the metal particle and having electric conductivity, wherein the multilayer graphene film having a thickness of 1 to 20 carbon atom layers. Currently amended
The composite powder according to claim 10, wherein the metal particle is composed of copper, nickel, aluminum, iron, gold, silver, stainless steel, tin, zinc, titanium, tantalum, or an alloy or mixture thereof. Original
The composite powder according to claim 10, wherein the carbon-coated layer comprises wt% or less of an amorphous carbon film based on a total weight of the carbon- coated layer. Original
A method of preparing a composition of composite powder, comprising: obtaining a metal wire coated with a carbon-based material; and performing a wire explosion on the metal wire coated with the carbon-based material in a solution. Original
The method according to claim 13, the solution comprises at least one selected from the group consisting of isopropyl alcohol, acetone, ethanol, methanol, a carbon compound solvent, a carbon-containing glycol, glycerine, triethanolamine or methylene chloride, deionized water, distilled water, hydrogen peroxide, a metal compound solvent, and a combination thereof. Original
The method according to claim 13, wherein the performing of the wire explosion comprises forming a plasma in the solution, and causing a condensation of nanoparticles comprising a metal core covered with a carbon-coated layer. Original
The method according to claim 13, wherein the metal wire coated with the carbon-based material is obtained by forming a film comprising 2 to 5 layers of graphene sheets over the metal wire. Original
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
A copper wire coated with graphene is subjected to wire explosion in a solution to prepare graphene-coated copper composite nanoparticles. The wire explosion is performed by discharging high voltage to the metal wire, causing the metal wire to enter a plasma state, rapidly cool, and condense into spherical metal powder particles with multilayer graphene film coating.
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated metal composite nanoparticle
Materials described outside the worked examples.
metal wire
metal wire (Cu, Ni, Al, Fe, Au, Ag, stainless steel, Sn, Zn, Ti, Ta, alloy, or mixture)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 10–20 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,859,030Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flowchart for describing an example of a method of manufacturing a composite powder according to the present disclosure. [0026]
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
FIG. 3 shows TEM images of composite powder particles prepared 10 according to a comparative example. [0029]
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
FIGS. 5A and 5B are images for describing dispersion stability of composite 15 powder particles prepared according to the example described with reference to …
FIG. 6 is a schematic diagram illustrating an example of a nano-particle in a powder manufactured by the method described with reference to FIG 1. [0032] …
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 manufacturing composite powder, the method comprising: coating a metal wire with a carbon-based material; and performing a wire explosion on the metal wire coated with the carbon-based material in a solution. Original
The method according to claim 1, wherein the metal wire is composed of copper, nickel, aluminum, iron, gold, silver, stainless steel, tin, zin c, titanium, tantalum, an alloy thereof, or a mixture thereof. Original
The method according to claim 1, wherein the carbon-based material comprises graphene or graphite. Original
The method according to claim 1, wherein the solution is an organic solution, an inorganic solution, or an organic and inorganic solution mixture. Original
The method according to claim 1, wherein the metal powder obtained by the wire explosion comprises composite nanoparticles each comprising a metal core coated with a multilayer graphene sheet having a thickness of approximately 1 to 20 carbon atom layers. Original
A composite powder, comprising: a metal particle coated with a carbon-coated layer, the carbon-coated layer comprising a multilayer graphene film coating a surface of the metal particle and having electric conductivity, wherein the multilayer graphene film having a thickness of 1 to 20 carbon atom layers. Currently amended
The composite powder according to claim 10, wherein the metal particle is composed of copper, nickel, aluminum, iron, gold, silver, stainless steel, tin, zinc, titanium, tantalum, or an alloy or mixture thereof. Original
The composite powder according to claim 10, wherein the carbon-coated layer comprises wt% or less of an amorphous carbon film based on a total weight of the carbon- coated layer. Original
A method of preparing a composition of composite powder, comprising: obtaining a metal wire coated with a carbon-based material; and performing a wire explosion on the metal wire coated with the carbon-based material in a solution. Original
The method according to claim 13, the solution comprises at least one selected from the group consisting of isopropyl alcohol, acetone, ethanol, methanol, a carbon compound solvent, a carbon-containing glycol, glycerine, triethanolamine or methylene chloride, deionized water, distilled water, hydrogen peroxide, a metal compound solvent, and a combination thereof. Original
The method according to claim 13, wherein the performing of the wire explosion comprises forming a plasma in the solution, and causing a condensation of nanoparticles comprising a metal core covered with a carbon-coated layer. Original
The method according to claim 13, wherein the metal wire coated with the carbon-based material is obtained by forming a film comprising 2 to 5 layers of graphene sheets over the metal wire. Original
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
A copper wire coated with graphene is subjected to wire explosion in a solution to prepare graphene-coated copper composite nanoparticles. The wire explosion is performed by discharging high voltage to the metal wire, causing the metal wire to enter a plasma state, rapidly cool, and condense into spherical metal powder particles with multilayer graphene film coating.
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated metal composite nanoparticle
Materials described outside the worked examples.
metal wire
metal wire (Cu, Ni, Al, Fe, Au, Ag, stainless steel, Sn, Zn, Ti, Ta, alloy, or mixture)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 10–20 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,859,030Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flowchart for describing an example of a method of manufacturing a composite powder according to the present disclosure. [0026]
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
FIG. 3 shows TEM images of composite powder particles prepared 10 according to a comparative example. [0029]
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
FIGS. 5A and 5B are images for describing dispersion stability of composite 15 powder particles prepared according to the example described with reference to …
FIG. 6 is a schematic diagram illustrating an example of a nano-particle in a powder manufactured by the method described with reference to FIG 1. [0032] …
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 manufacturing composite powder, the method comprising: coating a metal wire with a carbon-based material; and performing a wire explosion on the metal wire coated with the carbon-based material in a solution. Original
The method according to claim 1, wherein the metal wire is composed of copper, nickel, aluminum, iron, gold, silver, stainless steel, tin, zin c, titanium, tantalum, an alloy thereof, or a mixture thereof. Original
The method according to claim 1, wherein the carbon-based material comprises graphene or graphite. Original
The method according to claim 1, wherein the solution is an organic solution, an inorganic solution, or an organic and inorganic solution mixture. Original
The method according to claim 1, wherein the metal powder obtained by the wire explosion comprises composite nanoparticles each comprising a metal core coated with a multilayer graphene sheet having a thickness of approximately 1 to 20 carbon atom layers. Original
A composite powder, comprising: a metal particle coated with a carbon-coated layer, the carbon-coated layer comprising a multilayer graphene film coating a surface of the metal particle and having electric conductivity, wherein the multilayer graphene film having a thickness of 1 to 20 carbon atom layers. Currently amended
The composite powder according to claim 10, wherein the metal particle is composed of copper, nickel, aluminum, iron, gold, silver, stainless steel, tin, zinc, titanium, tantalum, or an alloy or mixture thereof. Original
The composite powder according to claim 10, wherein the carbon-coated layer comprises wt% or less of an amorphous carbon film based on a total weight of the carbon- coated layer. Original
A method of preparing a composition of composite powder, comprising: obtaining a metal wire coated with a carbon-based material; and performing a wire explosion on the metal wire coated with the carbon-based material in a solution. Original
The method according to claim 13, the solution comprises at least one selected from the group consisting of isopropyl alcohol, acetone, ethanol, methanol, a carbon compound solvent, a carbon-containing glycol, glycerine, triethanolamine or methylene chloride, deionized water, distilled water, hydrogen peroxide, a metal compound solvent, and a combination thereof. Original
The method according to claim 13, wherein the performing of the wire explosion comprises forming a plasma in the solution, and causing a condensation of nanoparticles comprising a metal core covered with a carbon-coated layer. Original
The method according to claim 13, wherein the metal wire coated with the carbon-based material is obtained by forming a film comprising 2 to 5 layers of graphene sheets over the metal wire. Original
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
A copper wire coated with graphene is subjected to wire explosion in a solution to prepare graphene-coated copper composite nanoparticles. The wire explosion is performed by discharging high voltage to the metal wire, causing the metal wire to enter a plasma state, rapidly cool, and condense into spherical metal powder particles with multilayer graphene film coating.
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated metal composite nanoparticle
Materials described outside the worked examples.
metal wire
metal wire (Cu, Ni, Al, Fe, Au, Ag, stainless steel, Sn, Zn, Ti, Ta, alloy, or mixture)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 10–20 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,859,030Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a flowchart for describing an example of a method of manufacturing a composite powder according to the present disclosure. [0026]
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
FIG. 3 shows TEM images of composite powder particles prepared 10 according to a comparative example. [0029]
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
FIGS. 5A and 5B are images for describing dispersion stability of composite 15 powder particles prepared according to the example described with reference to …
FIG. 6 is a schematic diagram illustrating an example of a nano-particle in a powder manufactured by the method described with reference to FIG 1. [0032] …
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 manufacturing composite powder, the method comprising: coating a metal wire with a carbon-based material; and performing a wire explosion on the metal wire coated with the carbon-based material in a solution. Original
The method according to claim 1, wherein the metal wire is composed of copper, nickel, aluminum, iron, gold, silver, stainless steel, tin, zin c, titanium, tantalum, an alloy thereof, or a mixture thereof. Original
The method according to claim 1, wherein the carbon-based material comprises graphene or graphite. Original
The method according to claim 1, wherein the solution is an organic solution, an inorganic solution, or an organic and inorganic solution mixture. Original
The method according to claim 1, wherein the metal powder obtained by the wire explosion comprises composite nanoparticles each comprising a metal core coated with a multilayer graphene sheet having a thickness of approximately 1 to 20 carbon atom layers. Original
A composite powder, comprising: a metal particle coated with a carbon-coated layer, the carbon-coated layer comprising a multilayer graphene film coating a surface of the metal particle and having electric conductivity, wherein the multilayer graphene film having a thickness of 1 to 20 carbon atom layers. Currently amended
The composite powder according to claim 10, wherein the metal particle is composed of copper, nickel, aluminum, iron, gold, silver, stainless steel, tin, zinc, titanium, tantalum, or an alloy or mixture thereof. Original
The composite powder according to claim 10, wherein the carbon-coated layer comprises wt% or less of an amorphous carbon film based on a total weight of the carbon- coated layer. Original
A method of preparing a composition of composite powder, comprising: obtaining a metal wire coated with a carbon-based material; and performing a wire explosion on the metal wire coated with the carbon-based material in a solution. Original
The method according to claim 13, the solution comprises at least one selected from the group consisting of isopropyl alcohol, acetone, ethanol, methanol, a carbon compound solvent, a carbon-containing glycol, glycerine, triethanolamine or methylene chloride, deionized water, distilled water, hydrogen peroxide, a metal compound solvent, and a combination thereof. Original
The method according to claim 13, wherein the performing of the wire explosion comprises forming a plasma in the solution, and causing a condensation of nanoparticles comprising a metal core covered with a carbon-coated layer. Original
The method according to claim 13, wherein the metal wire coated with the carbon-based material is obtained by forming a film comprising 2 to 5 layers of graphene sheets over the metal wire. Original
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials1 process step
A copper wire coated with graphene is subjected to wire explosion in a solution to prepare graphene-coated copper composite nanoparticles. The wire explosion is performed by discharging high voltage to the metal wire, causing the metal wire to enter a plasma state, rapidly cool, and condense into spherical metal powder particles with multilayer graphene film coating.
Layer stacks claimed or described, ordered top of device to substrate.
graphene-coated metal composite nanoparticle
Materials described outside the worked examples.
metal wire
metal wire (Cu, Ni, Al, Fe, Au, Ag, stainless steel, Sn, Zn, Ti, Ta, alloy, or mixture)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 10–20 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
graphite
solution (organic, inorganic, or mixture; e.g. isopropyl alcohol, acetone, ethanol, methanol, carbon compound solvent, carbon-containing glycol, glycerine, triethanolamine, methylene chloride, deionized water, distilled water, hydrogen peroxide, metal compound solvent)
amorphous carbon film
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
FIG. 3 shows TEM images of composite powder particles prepared 10 according to a comparative example. [0029]
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
| — |
Thickness | 2–4 nm | — |
Thickness | 5–40 nm | — |
Thickness | 6–30 nm | — |
Thickness | 0.1–0.5 mm | — |
Thickness | 0.01–1 mm | — |
Thickness | 1–150 mm | — |
Thickness | 0.02–0.8 mm | — |
Thickness | 2–100 mm | — |
Thickness | 3–50 mm | — |
graphite
solution (organic, inorganic, or mixture; e.g. isopropyl alcohol, acetone, ethanol, methanol, carbon compound solvent, carbon-containing glycol, glycerine, triethanolamine, methylene chloride, deionized water, distilled water, hydrogen peroxide, metal compound solvent)
amorphous carbon film
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
FIG. 3 shows TEM images of composite powder particles prepared 10 according to a comparative example. [0029]
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
| — |
Thickness | 2–4 nm | — |
Thickness | 5–40 nm | — |
Thickness | 6–30 nm | — |
Thickness | 0.1–0.5 mm | — |
Thickness | 0.01–1 mm | — |
Thickness | 1–150 mm | — |
Thickness | 0.02–0.8 mm | — |
Thickness | 2–100 mm | — |
Thickness | 3–50 mm | — |
graphite
solution (organic, inorganic, or mixture; e.g. isopropyl alcohol, acetone, ethanol, methanol, carbon compound solvent, carbon-containing glycol, glycerine, triethanolamine, methylene chloride, deionized water, distilled water, hydrogen peroxide, metal compound solvent)
amorphous carbon film
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
FIG. 3 shows TEM images of composite powder particles prepared 10 according to a comparative example. [0029]
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
| — |
Thickness | 2–4 nm | — |
Thickness | 5–40 nm | — |
Thickness | 6–30 nm | — |
Thickness | 0.1–0.5 mm | — |
Thickness | 0.01–1 mm | — |
Thickness | 1–150 mm | — |
Thickness | 0.02–0.8 mm | — |
Thickness | 2–100 mm | — |
Thickness | 3–50 mm | — |
graphite
solution (organic, inorganic, or mixture; e.g. isopropyl alcohol, acetone, ethanol, methanol, carbon compound solvent, carbon-containing glycol, glycerine, triethanolamine, methylene chloride, deionized water, distilled water, hydrogen peroxide, metal compound solvent)
amorphous carbon film
FIG. 2B shows transmission electron microscope (TEM) images of composite powder particles prepared according to the example described with reference to FIG 1. …
FIG. 3 shows TEM images of composite powder particles prepared 10 according to a comparative example. [0029]
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
FIG. 4 is a graph showing analyzing results obtained using Raman spectroscopy for composite powder particles prepared according to the example described with …
| — |
Thickness | 2–4 nm | — |
Thickness | 5–40 nm | — |
Thickness | 6–30 nm | — |
Thickness | 0.1–0.5 mm | — |
Thickness | 0.01–1 mm | — |
Thickness | 1–150 mm | — |
Thickness | 0.02–0.8 mm | — |
Thickness | 2–100 mm | — |
Thickness | 3–50 mm | — |