CN107959007A - A kind of preparation method of coated graphite alkene-silicon lithium ion battery cathode material - Google Patents
A kind of preparation method of coated graphite alkene-silicon lithium ion battery cathode material Download PDFInfo
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- CN107959007A CN107959007A CN201711065161.9A CN201711065161A CN107959007A CN 107959007 A CN107959007 A CN 107959007A CN 201711065161 A CN201711065161 A CN 201711065161A CN 107959007 A CN107959007 A CN 107959007A
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- China
- Prior art keywords
- graphite alkene
- lithium ion
- ion battery
- cathode material
- battery cathode
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- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 39
- 239000010439 graphite Substances 0.000 title claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 21
- 239000010703 silicon Substances 0.000 title claims abstract description 21
- 239000010406 cathode material Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 20
- -1 graphite alkene Chemical class 0.000 claims abstract description 21
- 238000005087 graphitization Methods 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 10
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000006185 dispersion Substances 0.000 claims abstract description 8
- 239000011339 hard pitch Substances 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 238000000197 pyrolysis Methods 0.000 claims abstract description 7
- 238000002791 soaking Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 238000003763 carbonization Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 230000004087 circulation Effects 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- ZVLDJSZFKQJMKD-UHFFFAOYSA-N [Li].[Si] Chemical compound [Li].[Si] ZVLDJSZFKQJMKD-UHFFFAOYSA-N 0.000 abstract 2
- 150000001336 alkenes Chemical class 0.000 abstract 2
- 238000001694 spray drying Methods 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000006245 Carbon black Super-P Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Classifications
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- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (4)
- A kind of 1. preparation method of coated graphite alkene-silicon lithium ion battery cathode material, it is characterised in that:It is by mass ratio first 1-2:1 graphene oxide and maleate is distributed in water, dispersion liquid is obtained after stirring 2h at 70-90 DEG C, then in 150- Be spray-dried at 200 DEG C, become it is powdered, 220-250 DEG C processing 5h after, then 300-350 DEG C handle 5h after, 450- 500 DEG C of processing 5h, then 5h is handled at 750-800 DEG C, obtain spherical graphite alkene microballoon;By siliceous slurry and spherical graphite alkene microballoon After mixing, evaporate after solvent with hard pitch 1-2 in mass ratio:After 1 high speed batch mixing, stirring and then heating pyrolysis, Carbonized under inert atmosphere, carbonization temperature is 1000-1200 DEG C, when soaking time is 10-12 small, then carries out graphitization, graphite It is 2800-3000 DEG C to change temperature, when soaking time is 10-12 small, obtains coated graphite alkene-silicon lithium ion battery cathode material.
- 2. a kind of preparation method of coated graphite alkene-silicon lithium ion battery cathode material as claimed in claim 1, its feature exist In:It is 1.5 first by mass ratio:1 graphene oxide and maleate is distributed in water, is disperseed after stirring 2h at 80 DEG C Liquid, is then spray-dried at 180 DEG C, become it is powdered, 240 DEG C processing 5h after, then 320 DEG C handle 5h after, 480 DEG C 5h is handled, then 5h is handled at 780 DEG C, obtains spherical graphite alkene microballoon;Siliceous slurry is uniformly mixed with spherical graphite alkene microballoon Afterwards, evaporate after solvent with hard pitch in mass ratio 1.5:After 1 high speed batch mixing, stirring and then heating pyrolysis, in inert atmosphere Lower charing, carbonization temperature are 1100 DEG C, when soaking time is 12 small, then carry out graphitization, graphitization temperature is 2900 DEG C, is protected When the warm time is 12 small, coated graphite alkene-silicon lithium ion battery cathode material is obtained.
- A kind of 3. lithium ion battery negative material, it is characterised in that:Prepared using method as claimed in claim 1 or 2.
- A kind of 4. lithium ion battery, it is characterised in that:Using negative material as claimed in claim 3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711065161.9A CN107959007B (en) | 2017-11-02 | 2017-11-02 | Preparation method of graphene-silicon-coated lithium ion battery negative electrode material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711065161.9A CN107959007B (en) | 2017-11-02 | 2017-11-02 | Preparation method of graphene-silicon-coated lithium ion battery negative electrode material |
Publications (2)
Publication Number | Publication Date |
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CN107959007A true CN107959007A (en) | 2018-04-24 |
CN107959007B CN107959007B (en) | 2020-10-20 |
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CN201711065161.9A Active CN107959007B (en) | 2017-11-02 | 2017-11-02 | Preparation method of graphene-silicon-coated lithium ion battery negative electrode material |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112054165A (en) * | 2019-06-05 | 2020-12-08 | 上海杉杉科技有限公司 | Mesocarbon microbeads, graphite negative electrode material, preparation method of mesocarbon microbeads and graphite negative electrode material, and lithium ion battery |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104591177A (en) * | 2015-02-03 | 2015-05-06 | 辽宁工程技术大学 | Method for preparing self-supporting three-dimensional porous graphene composite microsphere |
CN106067547A (en) * | 2016-08-10 | 2016-11-02 | 深圳市贝特瑞新能源材料股份有限公司 | Carbon-coated nano 3 SiC 2/graphite alkene cracks carbon-coating composite, preparation method and the lithium ion battery comprising this composite |
-
2017
- 2017-11-02 CN CN201711065161.9A patent/CN107959007B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104591177A (en) * | 2015-02-03 | 2015-05-06 | 辽宁工程技术大学 | Method for preparing self-supporting three-dimensional porous graphene composite microsphere |
CN106067547A (en) * | 2016-08-10 | 2016-11-02 | 深圳市贝特瑞新能源材料股份有限公司 | Carbon-coated nano 3 SiC 2/graphite alkene cracks carbon-coating composite, preparation method and the lithium ion battery comprising this composite |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112054165A (en) * | 2019-06-05 | 2020-12-08 | 上海杉杉科技有限公司 | Mesocarbon microbeads, graphite negative electrode material, preparation method of mesocarbon microbeads and graphite negative electrode material, and lithium ion battery |
CN112054165B (en) * | 2019-06-05 | 2022-02-08 | 上海杉杉科技有限公司 | Mesocarbon microbeads, graphite negative electrode material, preparation method of mesocarbon microbeads and graphite negative electrode material, and lithium ion battery |
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CN107959007B (en) | 2020-10-20 |
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Effective date of registration: 20200918 Address after: 233600 B District, Chengxi Industrial Park, Woyang County, Anhui, Bozhou Applicant after: ANHUI ZHENGXI BIAOWANG NEW ENERGY Co.,Ltd. Address before: 266072 Building 202, No. 127 Ningxia Road, Shinan District, Qingdao City, Shandong Province Applicant before: Shen Chen |
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Effective date of registration: 20240520 Address after: 1510 Beike Building, No. 59 Gaoxin South 9th Road, Gaoxin Community, Gaoxin District, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Zhongke Manufacturing (Shenzhen) Group Co.,Ltd. Country or region after: China Address before: 233600 zone B, Chengxi Industrial Park, Woyang County, Bozhou City, Anhui Province 233600 Patentee before: ANHUI ZHENGXI BIAOWANG NEW ENERGY Co.,Ltd. Country or region before: China |
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