CN108963186A - A kind of preparation method of graphene filter membrane and its application in the battery - Google Patents
A kind of preparation method of graphene filter membrane and its application in the battery Download PDFInfo
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- CN108963186A CN108963186A CN201810674842.3A CN201810674842A CN108963186A CN 108963186 A CN108963186 A CN 108963186A CN 201810674842 A CN201810674842 A CN 201810674842A CN 108963186 A CN108963186 A CN 108963186A
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- graphene
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 70
- 239000012528 membrane Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims description 20
- 239000007772 electrode material Substances 0.000 claims abstract description 31
- -1 graphite alkene Chemical class 0.000 claims description 18
- 229910002804 graphite Inorganic materials 0.000 claims description 17
- 239000010439 graphite Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 claims description 2
- 239000012300 argon atmosphere Substances 0.000 claims description 2
- 239000011889 copper foil Substances 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 229940113088 dimethylacetamide Drugs 0.000 claims description 2
- 235000019441 ethanol Nutrition 0.000 claims description 2
- 239000010408 film Substances 0.000 claims description 2
- 239000007773 negative electrode material Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000007774 positive electrode material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011230 binding agent Substances 0.000 abstract description 4
- 239000003990 capacitor Substances 0.000 abstract description 4
- 239000006258 conductive agent Substances 0.000 abstract description 4
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 4
- 239000004615 ingredient Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 3
- 125000005487 naphthalate group Chemical group 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010227 cup method (microbiological evaluation) Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The present invention provides a kind of graphene filter membrane electrode materials with using microwave reduction, the manufacturing process of the electrode need not add any conductive agent and binder, using with good gram volume, high rate performance and cycle performance in lithium ion battery and super capacitor.Additionally provide a kind of application of graphene filter membrane electrode material in the battery.Since the graphene filter membrane electrode material prepared using method of the invention is not on the basis of changing graphene ingredient, improve graphene microcellular structure, it is set to be more advantageous to charge storage, electrode material obtained has good electric conductivity and three-dimensional structure, any conductive agent and binder need not be added, be conducive to improve the gram volume of super capacitor and lithium ion battery, and there is good high rate performance and cycle performance.
Description
Technical field
Application the present invention relates to the dixie cup method of graphene filter membrane and its in the battery.
Background technique
In recent years, with the continuous progress of science and technology, the fast development of various electronic products, it is desirable that electrochmical power source tool used
There is the features such as light weight, small in size, capacity is big.Lithium ion battery technology is primarily limited to its positive electrode specific capacity at present, can
Large-scale processing manufacturing feasibility and cost.The flexibilities of some novel anode materials, high rate performance and only hundreds of circles
Cycle life limits application.
Graphene be a kind of hexagon being made of carbon atom with sp2 hybridized orbit and be in honeycomb lattice film, be only
There is the two-dimensional material of a carbon atom thickness.Graphene has always been considered as the structure of assuming that property, can not be individually steady at normal temperature
It is fixed to exist, until being just successfully separated within 2004 to obtain and confirm that it can be with individualism from graphite in the lab.Graphene
It is presently found most thin, maximum intensity, conduction, the strongest novel nano-material of heating conduction, referred to as " dark fund ", " green wood
The king of material " has scientist to foretell that graphene " will thoroughly change 21 century ", is just starting a subversive new material industry leather
Life.Because its resistivity is extremely low, the speed of electron transfer is exceedingly fast grapheme material, is expected to can be used to develop thinner, conductive speed
A new generation's electronic component or transistor faster.
Generally in the preparation process of graphene film, graphene film is often made using heat pressing process and the additional pressure that applies
Become fine and close, and this will lead to electrolyte and can not infiltrate through in graphene film, therefore be not used as electrode material.
Summary of the invention
The present invention provides a kind of graphene filter membrane electrode material with using microwave reduction, the manufacturing process of the electrode
Any conductive agent and binder need not be added, using with good gram volume, multiplying power in lithium ion battery and super capacitor
Performance and cycle performance.
To obtain above-mentioned graphene filter membrane electrode material, the present invention provides the following technical solutions: a kind of graphene filter
The preparation method of membrane electrode material, its steps are as follows:
(1) graphite oxide of 1 to 2 mass parts is placed in heating container, by heating container sealing, be rapidly heated heating
30-120s, prepares the expanded graphite alkene of 0.5 to 1 mass parts, and C: O molal weight ratio of graphene obtained is 4: 1-10: 1；
(2) the expanded graphite alkene and solvent of step (1) preparation are weighed according to the ratio, and ultrasonic disperse is made mass percentage and exists
The graphene oxide colloidal solution of 1%-2%；
(3) graphene oxide colloidal solution prepared by step (2) is sprayed in substrate using high-voltage electrostatic spray device,
Substrate is removed after drying, obtains graphene oxide membrane；
(4) graphene oxide membrane that step (3) obtains is restored in the microwave device of reducing atmosphere, is had
The graphene filter membrane electrode material of superelevation conductivity.
Preferably, the solvent of the step (2) is selected from deionized water, n,N-Dimethylformamide, N- methyl -2- pyrrolidines
One of ketone, DMAC N,N' dimethyl acetamide, ethyl alcohol, n-butanol, acetonitrile are a variety of.
Preferably, substrate is selected from polyethylene film, aluminium foil, copper foil, polytetrafluoroethylene film, gathers to benzene two in the step (3)
Formic acid glycol ester film.
Preferably, the reducing atmosphere of the step (4) is microwave power 300-600W under nitrogen or argon atmosphere, also
The former time is 10-60 minutes.
Preferably, the graphene of the superelevation conductivity of step (4) preparation is filtered with a thickness of 300-500 μm.
The present invention also provides the technical solutions that graphene filter membrane electrode material obtained above is applied to battery:
A kind of application of graphene filter membrane electrode material in the battery, which includes plus plate current-collecting body, graphene filter membrane
Electrode material, positive electrode active materials coating, diaphragm, negative electrode active material coating, negative current collector.
The beneficial effects of the present invention are: since the graphene filter membrane electrode material prepared using method of the invention is not being changed
Become on the basis of graphene ingredient, improves graphene microcellular structure, it is made to be more advantageous to charge storage, electrode material obtained
With good electric conductivity and three-dimensional structure, without any conductive agent and binder is added, be conducive to improve super capacitor and lithium
The gram volume of ion battery, and there is good high rate performance and cycle performance.
Specific embodiment
The present invention is specifically described below by embodiment, the present embodiment is served only for doing further the present invention
It is bright, it should not be understood as limiting the scope of the invention, those skilled in the art makes one according to the content of foregoing invention
A little nonessential changes and adjustment belong to protection scope of the present invention.
The preparation of graphene filter membrane electrode material:
Embodiment 1:
(1) graphite oxide of 1 mass parts is placed in heating container, by heating container sealing, is rapidly heated and heats 60s,
The expanded graphite alkene of 0.5 mass parts is prepared, C: O molal weight ratio of graphene obtained is 4: 1-10: 1；
(2) matter is made in the expanded graphite alkene and n,N-Dimethylformamide, ultrasonic disperse for weighing step (1) preparation according to the ratio
Measure graphene oxide colloidal solution of the percentage composition 1%；
(3) the graphene oxide colloidal solution of step (2) preparation is sprayed on using high-voltage electrostatic spray device poly- to benzene
In naphthalate substrate, substrate is removed after dry, obtains graphene oxide membrane；
(4) graphene oxide membrane for obtaining step (3) is restored in the microwave device of nitrogen atmosphere with the power of 300W
60 minutes, obtain the graphene filter membrane electrode material with superelevation conductivity.
Embodiment 2:
(1) graphite oxide of 2 mass parts is placed in heating container, by heating container sealing, is rapidly heated and heats 60s,
The expanded graphite alkene of 1 mass parts is prepared, C: O molal weight ratio of graphene obtained is 4: 1-10: 1；
(2) matter is made in the expanded graphite alkene and n,N-dimethylacetamide, ultrasonic disperse for weighing step (1) preparation according to the ratio
Measure graphene oxide colloidal solution of the percentage composition 1.5%；
(3) the graphene oxide colloidal solution of step (2) preparation is sprayed on using high-voltage electrostatic spray device poly- to benzene
In naphthalate substrate, substrate is removed after dry, obtains graphene oxide membrane；
(4) graphene oxide membrane for obtaining step (3) is restored in the microwave device of nitrogen atmosphere with the power of 600W
10 minutes, obtain the graphene filter membrane electrode material with superelevation conductivity.
Embodiment 3:
(1) graphite oxide of 1.5 mass parts is placed in heating container, by heating container sealing, be rapidly heated heating
60s, prepares the expanded graphite alkene of 0.75 mass parts, and C: O molal weight ratio of graphene obtained is 4: 1-10: 1；
(2) matter is made in the expanded graphite alkene and n,N-dimethylacetamide, ultrasonic disperse for weighing step (1) preparation according to the ratio
Measure graphene oxide colloidal solution of the percentage composition 2%；
(3) the graphene oxide colloidal solution of step (2) preparation is sprayed on using high-voltage electrostatic spray device poly- to benzene
In naphthalate substrate, substrate is removed after dry, obtains graphene oxide membrane；
(4) graphene oxide membrane for obtaining step (3) is restored in the microwave device of nitrogen atmosphere with the power of 400W
20 minutes, obtain the graphene filter membrane electrode material with superelevation conductivity.
The graphene filter membrane electrode material that embodiment 1-3 is prepared is applied to graphite as positive conductive material layer
Alkene battery obtains the battery with graphene filter membrane electrode material.
The graphene filter membrane electrode material being prepared by embodiment 1-3 is carried out to the test result of conductivity and specific capacity
It is as follows:
The above test result shows do not changing due to the graphene filter membrane electrode material prepared using method of the invention
On the basis of graphene ingredient, graphene microcellular structure is improved, obtained electrode material has good conductive property and follows
Ring performance.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (6)
1. a kind of preparation method of graphene filter membrane electrode material, which is characterized in that its steps is as follows:
(1) graphite oxide of 1 to 2 mass parts is placed in heating container, by heating container sealing, is rapidly heated and heats 30-
120s, prepares the expanded graphite alkene of 0.5 to 1 mass parts, and C: O molal weight ratio of graphene obtained is 4: 1-10: 1；
(2) the expanded graphite alkene and solvent of step (1) preparation are weighed according to the ratio, and mass percentage is made in 1%- in ultrasonic disperse
2% graphene oxide colloidal solution；
(3) graphene oxide colloidal solution prepared by step (2) is sprayed in substrate using high-voltage electrostatic spray device, it is dry
After remove substrate, obtain graphene oxide membrane；
(4) graphene oxide membrane that step (3) obtains is restored in the microwave device of reducing atmosphere, is obtained with superelevation
The graphene filter membrane electrode material of conductivity.
2. the preparation method of graphene filter membrane electrode material according to claim 1, which is characterized in that the step (2)
Solvent be selected from deionized water, N,N-dimethylformamide, n-methyl-2-pyrrolidone, DMAC N,N' dimethyl acetamide, ethyl alcohol,
One of n-butanol, acetonitrile are a variety of.
3. the preparation method of graphene filter membrane electrode material according to claim 1, which is characterized in that the step (3)
Middle substrate is selected from polyethylene film, aluminium foil, copper foil, polytetrafluoroethylene film, polyethylene terephthalate film.
4. the preparation method of graphene filter membrane electrode material according to claim 1, which is characterized in that the step (4)
Reducing atmosphere be microwave power 300-600W under nitrogen or argon atmosphere, the recovery time is 10-60 minutes.
5. the preparation method of graphene filter membrane electrode material according to claim 1, which is characterized in that the step (4)
The graphene of the superelevation conductivity of preparation is filtered with a thickness of 300-500 μm.
6. the application of graphene filter membrane electrode material in the battery is obtained prepared by a kind of any one of claim 1-5, it is special
Sign is that the battery includes the graphene filter membrane electrode material that any one of plus plate current-collecting body, claim 1-5 are prepared
Material, positive electrode active materials coating, diaphragm, negative electrode active material coating, negative current collector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018103203769 | 2018-04-11 | ||
| CN201810320376 | 2018-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108963186A true CN108963186A (en) | 2018-12-07 |
Family
ID=64487138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810674842.3A Pending CN108963186A (en) | 2018-04-11 | 2018-06-27 | A kind of preparation method of graphene filter membrane and its application in the battery |
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| CN (1) | CN108963186A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830682A (en) * | 2019-02-01 | 2019-05-31 | 东北大学 | A kind of preparation method and application method of high capacity aluminum cell positive electrode |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578771A (en) * | 2012-07-18 | 2014-02-12 | 海洋王照明科技股份有限公司 | Graphene thin film and preparation method and application thereof |
| CN104701034A (en) * | 2015-03-19 | 2015-06-10 | 南昌大学 | Preparation method of light-wave reduced grapheme membrane electrode |
| CN104813425A (en) * | 2012-10-17 | 2015-07-29 | 新加坡科技设计大学 | High specific capacitance and high power density of printed flexible micro-supercapacitors |
| CN107324316A (en) * | 2017-06-30 | 2017-11-07 | 杭州高烯科技有限公司 | A kind of preparation method of graphene film positive electrode and its application in aluminium ion battery |
-
2018
- 2018-06-27 CN CN201810674842.3A patent/CN108963186A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578771A (en) * | 2012-07-18 | 2014-02-12 | 海洋王照明科技股份有限公司 | Graphene thin film and preparation method and application thereof |
| CN104813425A (en) * | 2012-10-17 | 2015-07-29 | 新加坡科技设计大学 | High specific capacitance and high power density of printed flexible micro-supercapacitors |
| CN104701034A (en) * | 2015-03-19 | 2015-06-10 | 南昌大学 | Preparation method of light-wave reduced grapheme membrane electrode |
| CN107324316A (en) * | 2017-06-30 | 2017-11-07 | 杭州高烯科技有限公司 | A kind of preparation method of graphene film positive electrode and its application in aluminium ion battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830682A (en) * | 2019-02-01 | 2019-05-31 | 东北大学 | A kind of preparation method and application method of high capacity aluminum cell positive electrode |
| CN109830682B (en) * | 2019-02-01 | 2021-04-27 | 东北大学 | Preparation method and application method of positive electrode material for high-capacity aluminum battery |
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Application publication date: 20181207 |
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| RJ01 | Rejection of invention patent application after publication |