Patent
US 10,889,532GRAPHENE/METAL OR METALLOID CORE-SHELL COMPOSITE AND MANUFACTURING METHOD THEREOF
Jian Gu
US
Copyright © 2026 Matter42. All rights reserved.
Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 is the XRD pattern of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 2 is the TEM image of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 3 is the infrared spectrum of the hydroxylamine-modified graphene oxide obtained in Example 1 (Example 9) of the present disclosure;
Figure 4 is the XRD pattern of the graphene-Ni composite material with shell-core structure in Example 2 of the present disclosure;
Figure 5 is the infrared spectrum of the amine-modified graphene oxide obtained in Example 2 (Example 4, Example 6) of the present disclosure;
Figure 6 is the XRD pattern of the graphene-MgH 2 co mposite material with shell-core structure in Example 3 of the present disclosure;
Figure 7 is the infrared spectrum of the epoxy-modified graphene oxide obtained in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1- 5. (Cancelled Canceled
Canceled
A method for preparing a graphene/metal or semi-metal composite material with shell-core structure, comprising following steps: 1) introducing a surface functional group to graphene oxide to obtain a modified graphene oxide; 2) dissolving the modified graphene oxide in an organic solvent to obtain an organic solution of the modified graphene oxide; 3) adding a metal or a semimetal into an organic solvent, stirring homogeneously, then dropping the organic solution of the modified graphene oxide and reacting to obtain a solution of coated graphene/metal or semimetal; and 4) removing solvent from the solution of coated graphene/metal or semi-metal to obtain a graphene/metal or a semi-metal composite material with shell-core structure after drying. Original
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the specific method of introducing surface functional group into graphene oxide to obtain the modified graphene oxide in step 1) comprises following steps: 1.1) subjecting an aqueous solution of graphene oxide to ultrasonic dispersion and even stirring to obtain a clear solution; 1.2) dropping a modifier into the clear solution of graphene oxide, stirring and refluxing; controlling reaction temperature, dropping rate and refluxing time to obtain a modified graphene oxide solution; and 1.3) subjecting the modified graphene oxide solution to high speed centrifugation and filtration to obtain a product of modified graphene oxide. Original
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the surface functional group of step 1) is amine group, hydroxylamine group, acyl group, amide group or epoxy group. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the organic solvent in step 2) is ethanol, acetone, tetrahydrofuran, ethyl acetate, diethyl ether or dimethylformamide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the concentration of the organic solution of modified graphene oxide obtained in step 2) is 0.5 to 10 mg/ml. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the metal in step 3) is Ni, Zn, Al, Mg, Zr, Fe, Ag, Pt or Au. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the semi-metal in step 3) is metal hydride, intermetallic compound or metal oxide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the mass ratio of the metal or the semi-metal to the modified graphene oxide is 2000: 1 to 100:1. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein reaction temperature in step 3) is -10 0 C to +80 °C. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein dropping rate of the organic solution of modified graphene oxide in step 3) is 10 drops/m in to 100 drops/m in. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the time of the reaction in step 3) is 1 to 10h. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the organic solvent added to the metal or the semimetal in step 3) is the same as the organic solvent in the organic solution of modified graphene oxide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein suction filtration is used in step 4) to remove solvent from the solution of coated graphene/metal or semi-metal, and the time of suction filtration is 3 to 15m in. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein after removing solvent from the solution of coated graphene/metal or semi-metal in step 4), the product is placed in a vacuum drying oven for vacuum drying, the temperature of the vacuum drying is 10 to 100 0 C and the time of the vacuum drying is 0.5 to 10h. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
graphene/metal or semi-metal composite material with shell-core structure
Materials described outside the worked examples.
graphene oxide
modified graphene oxide
R-GO
metal (Ni, Zn, Al, Mg, Zr, Fe, Ag, Pt or Au)
modifier
organic solvent (ethanol, acetone, tetrahydrofuran, ethyl acetate, diethyl ether or dimethylformamide)
semi-metal (metal hydride, intermetallic compound or metal oxide)
MgH₂
AlH₃
Mg(BH₄)2
LiH
B-Mg intermetallic compound
B-Al intermetallic compound
Zr-Al intermetallic compound
Al-Mg intermetallic compound
Fe₂O₃
TiO₂
P₂O₃
MgO
CuO
Al₂O₃
graphene/metal or semi-metal composite material with shell-core structure
(R-GO)M
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 1 is the XRD pattern of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 2 is the TEM image of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 3 is the infrared spectrum of the hydroxylamine-modified graphene oxide obtained in Example 1 (Example 9) of the present disclosure;
Figure 4 is the XRD pattern of the graphene-Ni composite material with shell-core structure in Example 2 of the present disclosure;
Figure 5 is the infrared spectrum of the amine-modified graphene oxide obtained in Example 2 (Example 4, Example 6) of the present disclosure;
Figure 6 is the XRD pattern of the graphene-MgH 2 co mposite material with shell-core structure in Example 3 of the present disclosure;
Figure 7 is the infrared spectrum of the epoxy-modified graphene oxide obtained in
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1650-1500cm | — |
Pressure | ≤ 6.86 MPa | — |
Temperature | 20–80 °C | — |
Temperature | 60–120 °C | — |
Temperature | 10–100 °C | — |
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Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 is the XRD pattern of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 2 is the TEM image of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 3 is the infrared spectrum of the hydroxylamine-modified graphene oxide obtained in Example 1 (Example 9) of the present disclosure;
Figure 4 is the XRD pattern of the graphene-Ni composite material with shell-core structure in Example 2 of the present disclosure;
Figure 5 is the infrared spectrum of the amine-modified graphene oxide obtained in Example 2 (Example 4, Example 6) of the present disclosure;
Figure 6 is the XRD pattern of the graphene-MgH 2 co mposite material with shell-core structure in Example 3 of the present disclosure;
Figure 7 is the infrared spectrum of the epoxy-modified graphene oxide obtained in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1- 5. (Cancelled Canceled
Canceled
A method for preparing a graphene/metal or semi-metal composite material with shell-core structure, comprising following steps: 1) introducing a surface functional group to graphene oxide to obtain a modified graphene oxide; 2) dissolving the modified graphene oxide in an organic solvent to obtain an organic solution of the modified graphene oxide; 3) adding a metal or a semimetal into an organic solvent, stirring homogeneously, then dropping the organic solution of the modified graphene oxide and reacting to obtain a solution of coated graphene/metal or semimetal; and 4) removing solvent from the solution of coated graphene/metal or semi-metal to obtain a graphene/metal or a semi-metal composite material with shell-core structure after drying. Original
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the specific method of introducing surface functional group into graphene oxide to obtain the modified graphene oxide in step 1) comprises following steps: 1.1) subjecting an aqueous solution of graphene oxide to ultrasonic dispersion and even stirring to obtain a clear solution; 1.2) dropping a modifier into the clear solution of graphene oxide, stirring and refluxing; controlling reaction temperature, dropping rate and refluxing time to obtain a modified graphene oxide solution; and 1.3) subjecting the modified graphene oxide solution to high speed centrifugation and filtration to obtain a product of modified graphene oxide. Original
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the surface functional group of step 1) is amine group, hydroxylamine group, acyl group, amide group or epoxy group. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the organic solvent in step 2) is ethanol, acetone, tetrahydrofuran, ethyl acetate, diethyl ether or dimethylformamide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the concentration of the organic solution of modified graphene oxide obtained in step 2) is 0.5 to 10 mg/ml. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the metal in step 3) is Ni, Zn, Al, Mg, Zr, Fe, Ag, Pt or Au. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the semi-metal in step 3) is metal hydride, intermetallic compound or metal oxide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the mass ratio of the metal or the semi-metal to the modified graphene oxide is 2000: 1 to 100:1. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein reaction temperature in step 3) is -10 0 C to +80 °C. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein dropping rate of the organic solution of modified graphene oxide in step 3) is 10 drops/m in to 100 drops/m in. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the time of the reaction in step 3) is 1 to 10h. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the organic solvent added to the metal or the semimetal in step 3) is the same as the organic solvent in the organic solution of modified graphene oxide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein suction filtration is used in step 4) to remove solvent from the solution of coated graphene/metal or semi-metal, and the time of suction filtration is 3 to 15m in. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein after removing solvent from the solution of coated graphene/metal or semi-metal in step 4), the product is placed in a vacuum drying oven for vacuum drying, the temperature of the vacuum drying is 10 to 100 0 C and the time of the vacuum drying is 0.5 to 10h. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
graphene/metal or semi-metal composite material with shell-core structure
Materials described outside the worked examples.
graphene oxide
modified graphene oxide
R-GO
metal (Ni, Zn, Al, Mg, Zr, Fe, Ag, Pt or Au)
modifier
organic solvent (ethanol, acetone, tetrahydrofuran, ethyl acetate, diethyl ether or dimethylformamide)
semi-metal (metal hydride, intermetallic compound or metal oxide)
MgH₂
AlH₃
Mg(BH₄)2
LiH
B-Mg intermetallic compound
B-Al intermetallic compound
Zr-Al intermetallic compound
Al-Mg intermetallic compound
Fe₂O₃
TiO₂
P₂O₃
MgO
CuO
Al₂O₃
graphene/metal or semi-metal composite material with shell-core structure
(R-GO)M
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 1 is the XRD pattern of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 2 is the TEM image of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 3 is the infrared spectrum of the hydroxylamine-modified graphene oxide obtained in Example 1 (Example 9) of the present disclosure;
Figure 4 is the XRD pattern of the graphene-Ni composite material with shell-core structure in Example 2 of the present disclosure;
Figure 5 is the infrared spectrum of the amine-modified graphene oxide obtained in Example 2 (Example 4, Example 6) of the present disclosure;
Figure 6 is the XRD pattern of the graphene-MgH 2 co mposite material with shell-core structure in Example 3 of the present disclosure;
Figure 7 is the infrared spectrum of the epoxy-modified graphene oxide obtained in
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1650-1500cm | — |
Pressure | ≤ 6.86 MPa | — |
Temperature | 20–80 °C | — |
Temperature | 60–120 °C | — |
Temperature | 10–100 °C | — |
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Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 is the XRD pattern of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 2 is the TEM image of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 3 is the infrared spectrum of the hydroxylamine-modified graphene oxide obtained in Example 1 (Example 9) of the present disclosure;
Figure 4 is the XRD pattern of the graphene-Ni composite material with shell-core structure in Example 2 of the present disclosure;
Figure 5 is the infrared spectrum of the amine-modified graphene oxide obtained in Example 2 (Example 4, Example 6) of the present disclosure;
Figure 6 is the XRD pattern of the graphene-MgH 2 co mposite material with shell-core structure in Example 3 of the present disclosure;
Figure 7 is the infrared spectrum of the epoxy-modified graphene oxide obtained in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1- 5. (Cancelled Canceled
Canceled
A method for preparing a graphene/metal or semi-metal composite material with shell-core structure, comprising following steps: 1) introducing a surface functional group to graphene oxide to obtain a modified graphene oxide; 2) dissolving the modified graphene oxide in an organic solvent to obtain an organic solution of the modified graphene oxide; 3) adding a metal or a semimetal into an organic solvent, stirring homogeneously, then dropping the organic solution of the modified graphene oxide and reacting to obtain a solution of coated graphene/metal or semimetal; and 4) removing solvent from the solution of coated graphene/metal or semi-metal to obtain a graphene/metal or a semi-metal composite material with shell-core structure after drying. Original
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the specific method of introducing surface functional group into graphene oxide to obtain the modified graphene oxide in step 1) comprises following steps: 1.1) subjecting an aqueous solution of graphene oxide to ultrasonic dispersion and even stirring to obtain a clear solution; 1.2) dropping a modifier into the clear solution of graphene oxide, stirring and refluxing; controlling reaction temperature, dropping rate and refluxing time to obtain a modified graphene oxide solution; and 1.3) subjecting the modified graphene oxide solution to high speed centrifugation and filtration to obtain a product of modified graphene oxide. Original
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the surface functional group of step 1) is amine group, hydroxylamine group, acyl group, amide group or epoxy group. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the organic solvent in step 2) is ethanol, acetone, tetrahydrofuran, ethyl acetate, diethyl ether or dimethylformamide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the concentration of the organic solution of modified graphene oxide obtained in step 2) is 0.5 to 10 mg/ml. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the metal in step 3) is Ni, Zn, Al, Mg, Zr, Fe, Ag, Pt or Au. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the semi-metal in step 3) is metal hydride, intermetallic compound or metal oxide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the mass ratio of the metal or the semi-metal to the modified graphene oxide is 2000: 1 to 100:1. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein reaction temperature in step 3) is -10 0 C to +80 °C. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein dropping rate of the organic solution of modified graphene oxide in step 3) is 10 drops/m in to 100 drops/m in. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the time of the reaction in step 3) is 1 to 10h. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the organic solvent added to the metal or the semimetal in step 3) is the same as the organic solvent in the organic solution of modified graphene oxide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein suction filtration is used in step 4) to remove solvent from the solution of coated graphene/metal or semi-metal, and the time of suction filtration is 3 to 15m in. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein after removing solvent from the solution of coated graphene/metal or semi-metal in step 4), the product is placed in a vacuum drying oven for vacuum drying, the temperature of the vacuum drying is 10 to 100 0 C and the time of the vacuum drying is 0.5 to 10h. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
graphene/metal or semi-metal composite material with shell-core structure
Materials described outside the worked examples.
graphene oxide
modified graphene oxide
R-GO
metal (Ni, Zn, Al, Mg, Zr, Fe, Ag, Pt or Au)
modifier
organic solvent (ethanol, acetone, tetrahydrofuran, ethyl acetate, diethyl ether or dimethylformamide)
semi-metal (metal hydride, intermetallic compound or metal oxide)
MgH₂
AlH₃
Mg(BH₄)2
LiH
B-Mg intermetallic compound
B-Al intermetallic compound
Zr-Al intermetallic compound
Al-Mg intermetallic compound
Fe₂O₃
TiO₂
P₂O₃
MgO
CuO
Al₂O₃
graphene/metal or semi-metal composite material with shell-core structure
(R-GO)M
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 1 is the XRD pattern of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 2 is the TEM image of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 3 is the infrared spectrum of the hydroxylamine-modified graphene oxide obtained in Example 1 (Example 9) of the present disclosure;
Figure 4 is the XRD pattern of the graphene-Ni composite material with shell-core structure in Example 2 of the present disclosure;
Figure 5 is the infrared spectrum of the amine-modified graphene oxide obtained in Example 2 (Example 4, Example 6) of the present disclosure;
Figure 6 is the XRD pattern of the graphene-MgH 2 co mposite material with shell-core structure in Example 3 of the present disclosure;
Figure 7 is the infrared spectrum of the epoxy-modified graphene oxide obtained in
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1650-1500cm | — |
Pressure | ≤ 6.86 MPa | — |
Temperature | 20–80 °C | — |
Temperature | 60–120 °C | — |
Temperature | 10–100 °C | — |
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METHOD FOR MANUFACTURING REDUCED GRAPHENE OXIDE USING SOLID HYDRAZINE DERIVATIVE
GRAPHENE OXIDE AND METHOD OF PRODUCTION THEREOF
Discovery of Graphene Sheets and C-Rich Micro-Oval structure in Stingless Bee Hive; Leading to an Emergent Material with Debut of Blue Emission
Memristive behavior of functionalized graphene quantum dot and polyaniline nanocomposites
Electrostatic, Luminescent, and Paramagnetic Responses of Fresh BN Nanopowders Synthesized under Concentrated Light
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Water Aging Effects on Graphene Nanoplatelets and Multi-walled Carbon Nanotube Reinforced Epoxy Glass Fiber Nanocomposites
Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 is the XRD pattern of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 2 is the TEM image of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 3 is the infrared spectrum of the hydroxylamine-modified graphene oxide obtained in Example 1 (Example 9) of the present disclosure;
Figure 4 is the XRD pattern of the graphene-Ni composite material with shell-core structure in Example 2 of the present disclosure;
Figure 5 is the infrared spectrum of the amine-modified graphene oxide obtained in Example 2 (Example 4, Example 6) of the present disclosure;
Figure 6 is the XRD pattern of the graphene-MgH 2 co mposite material with shell-core structure in Example 3 of the present disclosure;
Figure 7 is the infrared spectrum of the epoxy-modified graphene oxide obtained in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1- 5. (Cancelled Canceled
Canceled
A method for preparing a graphene/metal or semi-metal composite material with shell-core structure, comprising following steps: 1) introducing a surface functional group to graphene oxide to obtain a modified graphene oxide; 2) dissolving the modified graphene oxide in an organic solvent to obtain an organic solution of the modified graphene oxide; 3) adding a metal or a semimetal into an organic solvent, stirring homogeneously, then dropping the organic solution of the modified graphene oxide and reacting to obtain a solution of coated graphene/metal or semimetal; and 4) removing solvent from the solution of coated graphene/metal or semi-metal to obtain a graphene/metal or a semi-metal composite material with shell-core structure after drying. Original
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the specific method of introducing surface functional group into graphene oxide to obtain the modified graphene oxide in step 1) comprises following steps: 1.1) subjecting an aqueous solution of graphene oxide to ultrasonic dispersion and even stirring to obtain a clear solution; 1.2) dropping a modifier into the clear solution of graphene oxide, stirring and refluxing; controlling reaction temperature, dropping rate and refluxing time to obtain a modified graphene oxide solution; and 1.3) subjecting the modified graphene oxide solution to high speed centrifugation and filtration to obtain a product of modified graphene oxide. Original
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the surface functional group of step 1) is amine group, hydroxylamine group, acyl group, amide group or epoxy group. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the organic solvent in step 2) is ethanol, acetone, tetrahydrofuran, ethyl acetate, diethyl ether or dimethylformamide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the concentration of the organic solution of modified graphene oxide obtained in step 2) is 0.5 to 10 mg/ml. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the metal in step 3) is Ni, Zn, Al, Mg, Zr, Fe, Ag, Pt or Au. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the semi-metal in step 3) is metal hydride, intermetallic compound or metal oxide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the mass ratio of the metal or the semi-metal to the modified graphene oxide is 2000: 1 to 100:1. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein reaction temperature in step 3) is -10 0 C to +80 °C. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein dropping rate of the organic solution of modified graphene oxide in step 3) is 10 drops/m in to 100 drops/m in. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the time of the reaction in step 3) is 1 to 10h. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein the organic solvent added to the metal or the semimetal in step 3) is the same as the organic solvent in the organic solution of modified graphene oxide. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein suction filtration is used in step 4) to remove solvent from the solution of coated graphene/metal or semi-metal, and the time of suction filtration is 3 to 15m in. Previously presented
The preparation method of the graphene/metal or semi-metal composite material with shell-core structure according to claim 6, wherein after removing solvent from the solution of coated graphene/metal or semi-metal in step 4), the product is placed in a vacuum drying oven for vacuum drying, the temperature of the vacuum drying is 10 to 100 0 C and the time of the vacuum drying is 0.5 to 10h. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
graphene/metal or semi-metal composite material with shell-core structure
Materials described outside the worked examples.
graphene oxide
modified graphene oxide
R-GO
metal (Ni, Zn, Al, Mg, Zr, Fe, Ag, Pt or Au)
modifier
organic solvent (ethanol, acetone, tetrahydrofuran, ethyl acetate, diethyl ether or dimethylformamide)
semi-metal (metal hydride, intermetallic compound or metal oxide)
MgH₂
AlH₃
Mg(BH₄)2
LiH
B-Mg intermetallic compound
B-Al intermetallic compound
Zr-Al intermetallic compound
Al-Mg intermetallic compound
Fe₂O₃
TiO₂
P₂O₃
MgO
CuO
Al₂O₃
graphene/metal or semi-metal composite material with shell-core structure
(R-GO)M
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 1 is the XRD pattern of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 2 is the TEM image of the graphene-Al composite material with shell-core structure in Example 1 of the present disclosure;
Figure 3 is the infrared spectrum of the hydroxylamine-modified graphene oxide obtained in Example 1 (Example 9) of the present disclosure;
Figure 4 is the XRD pattern of the graphene-Ni composite material with shell-core structure in Example 2 of the present disclosure;
Figure 5 is the infrared spectrum of the amine-modified graphene oxide obtained in Example 2 (Example 4, Example 6) of the present disclosure;
Figure 6 is the XRD pattern of the graphene-MgH 2 co mposite material with shell-core structure in Example 3 of the present disclosure;
Figure 7 is the infrared spectrum of the epoxy-modified graphene oxide obtained in
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1650-1500cm | — |
Pressure | ≤ 6.86 MPa | — |
Temperature | 20–80 °C | — |
Temperature | 60–120 °C | — |
Temperature | 10–100 °C | — |
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