CN109686979B - 一种硅碳负极材料浆料及其制备方法 - Google Patents
一种硅碳负极材料浆料及其制备方法 Download PDFInfo
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- CN109686979B CN109686979B CN201811519517.6A CN201811519517A CN109686979B CN 109686979 B CN109686979 B CN 109686979B CN 201811519517 A CN201811519517 A CN 201811519517A CN 109686979 B CN109686979 B CN 109686979B
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- 239000002002 slurry Substances 0.000 title claims abstract description 61
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000010405 anode material Substances 0.000 title claims description 6
- 238000007613 slurry method Methods 0.000 title description 2
- 239000011230 binding agent Substances 0.000 claims abstract description 59
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 27
- 239000003292 glue Substances 0.000 claims abstract description 26
- 239000006258 conductive agent Substances 0.000 claims abstract description 22
- 238000007580 dry-mixing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000007773 negative electrode material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 66
- 239000008367 deionised water Substances 0.000 claims description 38
- 229910021641 deionized water Inorganic materials 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000007790 scraping Methods 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 13
- 238000007865 diluting Methods 0.000 claims description 10
- 238000007873 sieving Methods 0.000 claims description 10
- 238000009736 wetting Methods 0.000 claims description 9
- 239000006230 acetylene black Substances 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000006245 Carbon black Super-P Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000003273 ketjen black Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 238000004537 pulping Methods 0.000 abstract description 6
- 238000005054 agglomeration Methods 0.000 abstract description 3
- 230000002776 aggregation Effects 0.000 abstract description 3
- 239000010406 cathode material Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
Images
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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- 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
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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
Abstract
Description
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CN201811519517.6A CN109686979B (zh) | 2018-12-12 | 2018-12-12 | 一种硅碳负极材料浆料及其制备方法 |
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CN201811519517.6A CN109686979B (zh) | 2018-12-12 | 2018-12-12 | 一种硅碳负极材料浆料及其制备方法 |
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CN109686979A CN109686979A (zh) | 2019-04-26 |
CN109686979B true CN109686979B (zh) | 2021-07-06 |
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CN113394363B (zh) * | 2020-03-13 | 2022-05-20 | 宁德新能源科技有限公司 | 负极极片的制备方法、负极极片、电池及电子装置 |
CN112952029B (zh) * | 2021-02-01 | 2023-06-09 | 河南克能新能源科技有限公司 | 硅氧碳锂离子电池复合负极浆料及其制备方法以及由其制备得到的锂离子电池负极 |
CN114824277A (zh) * | 2022-05-20 | 2022-07-29 | 武汉大学 | 一种含硫正极材料浆料及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102044661A (zh) * | 2009-10-23 | 2011-05-04 | 比克国际(天津)有限公司 | 一种锂离子电池浆料制备方法 |
CN102916166A (zh) * | 2012-10-16 | 2013-02-06 | 彩虹集团公司 | 一种锂离子电池浆料的制备方法 |
CN105406039A (zh) * | 2015-11-03 | 2016-03-16 | 山东精工电子科技有限公司 | 一种硅碳负极浆料及其制备方法 |
CN108598404A (zh) * | 2018-04-16 | 2018-09-28 | 清华大学 | 一种锂离子电池、负极、负极导电浆料及制备方法 |
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US10361423B2 (en) * | 2016-01-18 | 2019-07-23 | Grst International Limited | Method of preparing battery electrodes |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102044661A (zh) * | 2009-10-23 | 2011-05-04 | 比克国际(天津)有限公司 | 一种锂离子电池浆料制备方法 |
CN102916166A (zh) * | 2012-10-16 | 2013-02-06 | 彩虹集团公司 | 一种锂离子电池浆料的制备方法 |
CN105406039A (zh) * | 2015-11-03 | 2016-03-16 | 山东精工电子科技有限公司 | 一种硅碳负极浆料及其制备方法 |
CN108598404A (zh) * | 2018-04-16 | 2018-09-28 | 清华大学 | 一种锂离子电池、负极、负极导电浆料及制备方法 |
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