CN114824201A - 一种锂离子电池用核壳结构碳硅负极材料及其制备方法 - Google Patents
一种锂离子电池用核壳结构碳硅负极材料及其制备方法 Download PDFInfo
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- CN114824201A CN114824201A CN202210358195.1A CN202210358195A CN114824201A CN 114824201 A CN114824201 A CN 114824201A CN 202210358195 A CN202210358195 A CN 202210358195A CN 114824201 A CN114824201 A CN 114824201A
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 39
- 239000011258 core-shell material Substances 0.000 title claims abstract description 37
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
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- 239000010703 silicon Substances 0.000 claims abstract description 58
- 229910021383 artificial graphite Inorganic materials 0.000 claims abstract description 35
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
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- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- 229930006000 Sucrose Natural products 0.000 claims description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 3
- 229960001927 cetylpyridinium chloride Drugs 0.000 claims description 3
- YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
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- 230000002441 reversible effect Effects 0.000 abstract 1
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
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- 229910052744 lithium Inorganic materials 0.000 description 3
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Images
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
- H01M4/36—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
- H01M4/36—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
- 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
Abstract
Description
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CN202210358195.1A CN114824201A (zh) | 2022-04-06 | 2022-04-06 | 一种锂离子电池用核壳结构碳硅负极材料及其制备方法 |
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CN202210358195.1A CN114824201A (zh) | 2022-04-06 | 2022-04-06 | 一种锂离子电池用核壳结构碳硅负极材料及其制备方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105609730A (zh) * | 2016-01-05 | 2016-05-25 | 广州有色金属研究院 | 一种硅/碳/石墨复合负极材料的制备方法 |
CN109524643A (zh) * | 2018-11-01 | 2019-03-26 | 贵州梅岭电源有限公司 | 一种多层碳壳核壳结构硅基负极材料的制备方法及其应用 |
CN110600684A (zh) * | 2018-09-12 | 2019-12-20 | 湖北万润新能源科技发展有限公司 | 一种锂离子电池用硅碳负极材料及其制备方法 |
CN114005965A (zh) * | 2020-07-28 | 2022-02-01 | 深圳格林德能源集团有限公司 | 一种石墨烯/碳包覆硅基负极及其制备方法 |
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- 2022-04-06 CN CN202210358195.1A patent/CN114824201A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105609730A (zh) * | 2016-01-05 | 2016-05-25 | 广州有色金属研究院 | 一种硅/碳/石墨复合负极材料的制备方法 |
CN110600684A (zh) * | 2018-09-12 | 2019-12-20 | 湖北万润新能源科技发展有限公司 | 一种锂离子电池用硅碳负极材料及其制备方法 |
CN109524643A (zh) * | 2018-11-01 | 2019-03-26 | 贵州梅岭电源有限公司 | 一种多层碳壳核壳结构硅基负极材料的制备方法及其应用 |
CN114005965A (zh) * | 2020-07-28 | 2022-02-01 | 深圳格林德能源集团有限公司 | 一种石墨烯/碳包覆硅基负极及其制备方法 |
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Inventor after: Lu Jiaxin Inventor after: Yin Yan Inventor after: Zhang Huijie Inventor after: Qiu Liming Inventor after: Song Wenda Inventor after: Wang Jitong Inventor after: Zhang Siyuan Inventor after: Miao Zimu Inventor after: Wang Sen Inventor after: Wang Hongce Inventor after: Yu Xiaolei Inventor after: Zhou Hui Inventor after: Shen Shuwen Inventor after: Liu Qizhi Inventor before: Lu Jiaxin Inventor before: Yin Yan Inventor before: Zhang Huijie Inventor before: Qiu Liming Inventor before: Song Wenda Inventor before: Wang Jitong Inventor before: Zhang Siyuan Inventor before: Miao Zimu Inventor before: Wang Sen Inventor before: Wang Hongce Inventor before: Yu Xiaolei Inventor before: Zhou Hui Inventor before: Shen Shuwen Inventor before: Zhang Qizhi |
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