CN110649249B - 一种硅碳复合电极浆料及其电极的制备方法 - Google Patents
一种硅碳复合电极浆料及其电极的制备方法 Download PDFInfo
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- CN110649249B CN110649249B CN201910973483.6A CN201910973483A CN110649249B CN 110649249 B CN110649249 B CN 110649249B CN 201910973483 A CN201910973483 A CN 201910973483A CN 110649249 B CN110649249 B CN 110649249B
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- slurry
- silicon
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- stirring
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- 239000002153 silicon-carbon composite material Substances 0.000 title claims abstract description 48
- 239000011267 electrode slurry Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 76
- 239000011149 active material Substances 0.000 claims abstract description 26
- 229910021383 artificial graphite Inorganic materials 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 238000007873 sieving Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 83
- 238000003756 stirring Methods 0.000 claims description 83
- 239000006258 conductive agent Substances 0.000 claims description 18
- 239000002270 dispersing agent Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 239000013543 active substance Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 9
- 238000007731 hot pressing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 40
- 229910002804 graphite Inorganic materials 0.000 abstract description 13
- 239000010439 graphite Substances 0.000 abstract description 13
- 238000005054 agglomeration Methods 0.000 abstract description 4
- 230000002776 aggregation Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 26
- 239000001768 carboxy methyl cellulose Substances 0.000 description 26
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 26
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 26
- 229920003048 styrene butadiene rubber Polymers 0.000 description 26
- 239000006230 acetylene black Substances 0.000 description 25
- 239000008367 deionised water Substances 0.000 description 13
- 229910021641 deionized water Inorganic materials 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- 230000032798 delamination Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000007770 graphite material Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 241000510672 Cuminum Species 0.000 description 1
- 235000007129 Cuminum cyminum Nutrition 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002210 silicon-based material 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
6h | 12h | 18h | |
实施例1 | 未分层 | 未分层 | 分层 |
实施例2 | 未分层 | 未分层 | 分层 |
实施例3 | 未分层 | 未分层 | 分层 |
对比例1 | 分层 | 明显分层 | —— |
1C(%) | 2C(%) | |
实施例1 | 99.2 | 96.7 |
实施例2 | 99.1 | 96.2 |
实施例3 | 99.4 | 97.1 |
对比例2 | 98.5 | 92.7 |
Claims (7)
Priority Applications (1)
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CN201910973483.6A CN110649249B (zh) | 2019-10-14 | 2019-10-14 | 一种硅碳复合电极浆料及其电极的制备方法 |
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CN201910973483.6A CN110649249B (zh) | 2019-10-14 | 2019-10-14 | 一种硅碳复合电极浆料及其电极的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN110649249A CN110649249A (zh) | 2020-01-03 |
CN110649249B true CN110649249B (zh) | 2020-12-18 |
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CN (1) | CN110649249B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111342021B (zh) * | 2020-03-12 | 2021-04-02 | 宇恒电池有限公司 | 一种碳负极浆料的制备方法 |
CN111430673A (zh) * | 2020-04-09 | 2020-07-17 | 盛蕾 | 一种负极的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103779536A (zh) * | 2013-11-06 | 2014-05-07 | 南京安普瑞斯有限公司 | 一种锂离子电池的含硅负极及其制备方法 |
CN107004857A (zh) * | 2014-11-27 | 2017-08-01 | 索尼公司 | 二次电池用活性物质、二次电池用电极、二次电池、电动车辆及电子装置 |
CN109904430A (zh) * | 2019-03-06 | 2019-06-18 | 李壮 | 一种石墨负极浆料的混料方法 |
CN109923705A (zh) * | 2016-11-07 | 2019-06-21 | 皓智环球有限公司 | 制备电池阳极浆料的方法 |
CN110323411A (zh) * | 2019-07-11 | 2019-10-11 | 王现思 | 一种碳负极浆料的制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20160097677A (ko) * | 2015-02-09 | 2016-08-18 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지 |
-
2019
- 2019-10-14 CN CN201910973483.6A patent/CN110649249B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103779536A (zh) * | 2013-11-06 | 2014-05-07 | 南京安普瑞斯有限公司 | 一种锂离子电池的含硅负极及其制备方法 |
CN107004857A (zh) * | 2014-11-27 | 2017-08-01 | 索尼公司 | 二次电池用活性物质、二次电池用电极、二次电池、电动车辆及电子装置 |
CN109923705A (zh) * | 2016-11-07 | 2019-06-21 | 皓智环球有限公司 | 制备电池阳极浆料的方法 |
CN109904430A (zh) * | 2019-03-06 | 2019-06-18 | 李壮 | 一种石墨负极浆料的混料方法 |
CN110323411A (zh) * | 2019-07-11 | 2019-10-11 | 王现思 | 一种碳负极浆料的制备方法 |
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Effective date of registration: 20201201 Address after: 225400 Jiangsu, Taixing City, East high tech Industrial Park, east of the south side of the National Road (Science and technology on the west side of the road) Applicant after: TAIZHOU SINLION BATTERY TECH. Co.,Ltd. Address before: 215000 room 404, building 8, century garden, Huqiu District, Suzhou City, Jiangsu Province Applicant before: Qian Qi |
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Effective date of registration: 20231101 Address after: Room B120, Building 3, No. 16393 Puwei Road, Shanyang Town, Jinshan District, Shanghai, August 2015 Patentee after: SHANGHAI NAXIAO ENERGY TECHNOLOGY CO.,LTD. Address before: 225400 south side of Guoqing East Road (west side of Keji Road), Chengdong high tech Industrial Park, Taixing City, Taizhou City, Jiangsu Province Patentee before: TAIZHOU SINLION BATTERY TECH. CO.,LTD. |