CN106981620B - 一种锂离子电池负极浆料的制备方法 - Google Patents
一种锂离子电池负极浆料的制备方法 Download PDFInfo
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- CN106981620B CN106981620B CN201710225731.XA CN201710225731A CN106981620B CN 106981620 B CN106981620 B CN 106981620B CN 201710225731 A CN201710225731 A CN 201710225731A CN 106981620 B CN106981620 B CN 106981620B
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000006257 cathode slurry Substances 0.000 title claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 86
- 239000006258 conductive agent Substances 0.000 claims abstract description 26
- 239000000243 solution Substances 0.000 claims abstract description 23
- 239000002904 solvent Substances 0.000 claims abstract description 22
- 239000002562 thickening agent Substances 0.000 claims abstract description 19
- 239000013543 active substance Substances 0.000 claims abstract description 15
- 239000011812 mixed powder Substances 0.000 claims abstract description 12
- 239000011259 mixed solution Substances 0.000 claims abstract description 12
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 238000004898 kneading Methods 0.000 claims abstract description 8
- 239000008367 deionised water Substances 0.000 claims description 22
- 229910021641 deionized water Inorganic materials 0.000 claims description 22
- 239000011267 electrode slurry Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 8
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 8
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 8
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 8
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 8
- 239000011149 active material Substances 0.000 claims description 6
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 239000007770 graphite material Substances 0.000 claims description 6
- 238000009775 high-speed stirring Methods 0.000 claims description 5
- 229910021382 natural graphite Inorganic materials 0.000 claims description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000002931 mesocarbon microbead Substances 0.000 claims description 3
- 239000006256 anode slurry Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 17
- 239000006185 dispersion Substances 0.000 abstract description 8
- 238000005054 agglomeration Methods 0.000 abstract description 3
- 230000002776 aggregation Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 239000000843 powder Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000000693 micelle Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- 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
- H01M4/04—Processes of manufacture in general
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
组别 | 浆料细度 | 极片电导率 | 过筛残余 | 涂布外观 |
实施例一 | 15~18um | 48us/cm | 无 | 表面光滑 |
实施例二 | 16~18um | 51us/cm | 无 | 表面光滑 |
实施例三 | 16~18um | 53us/cm | 无 | 表面光滑 |
实施例四 | 16~17um | 55us/cm | 无 | 表面光滑 |
对比例一 | 18~20um | 38us/cm | 无 | 细小的划痕 |
组别 | 实施例一 | 实施例二 | 实施例三 | 实施例四 | 对比例一 |
内阻mΩ | 25 | 26 | 22 | 21 | 28 |
Claims (8)
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CN201710225731.XA CN106981620B (zh) | 2017-04-07 | 2017-04-07 | 一种锂离子电池负极浆料的制备方法 |
PCT/CN2018/079485 WO2018184466A1 (zh) | 2017-04-07 | 2018-03-19 | 一种锂离子电池负极浆料的制备方法 |
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Families Citing this family (17)
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CN106981620B (zh) * | 2017-04-07 | 2021-03-30 | 惠州拓邦电气技术有限公司 | 一种锂离子电池负极浆料的制备方法 |
CN107887569A (zh) * | 2017-10-27 | 2018-04-06 | 惠州拓邦电气技术有限公司 | 一种锂离子电池负极浆料及其制备方法 |
CN107834023B (zh) * | 2017-11-27 | 2020-04-14 | 东莞市创明电池技术有限公司 | 锂离子电池负极浆料及其制备方法、负极片和锂离子电池 |
CN108172756B (zh) * | 2018-01-31 | 2020-07-14 | 北京国能电池科技股份有限公司 | 负极浆料的制备方法 |
CN108428865A (zh) * | 2018-03-05 | 2018-08-21 | 天臣新能源研究南京有限公司 | 一种锂离子电池负极浆料的制备方法 |
CN108565393A (zh) * | 2018-04-04 | 2018-09-21 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池负极浆料的合浆方法 |
CN108899469A (zh) * | 2018-06-29 | 2018-11-27 | 桑顿新能源科技有限公司 | 一种锂离子电池负极材料浆料及其制备方法 |
CN109148825A (zh) * | 2018-08-15 | 2019-01-04 | 惠州拓邦电气技术有限公司 | 一种锂离子电池负极浆料及其制备方法 |
CN112117432A (zh) * | 2019-06-21 | 2020-12-22 | 贝特瑞新材料集团股份有限公司 | 一种电极浆料的配料方法及其制备的电极浆料 |
CN113346037B (zh) * | 2020-02-18 | 2023-01-13 | 中国石油化工股份有限公司 | 电池负极浆料及其制备方法、锂离子电池负极片及锂离子电池 |
CN111725508A (zh) * | 2020-06-22 | 2020-09-29 | 湖北亿纬动力有限公司 | 一种无需胶液的负极浆料的制备方法、得到的负极浆料和用途 |
CN112234199A (zh) * | 2020-09-15 | 2021-01-15 | 深圳市拓邦锂电池有限公司 | 锂离子电池正极浆料及其制备方法和锂离子电池正极片 |
CN112713257B (zh) * | 2020-12-29 | 2022-04-08 | 湖北亿纬动力有限公司 | 一种负极浆料的制备方法及负极浆料 |
CN112885987A (zh) * | 2021-01-29 | 2021-06-01 | 芜湖天弋能源科技有限公司 | 一种锂电池负极浆料的制备方法 |
CN113224268A (zh) * | 2021-04-25 | 2021-08-06 | 天津市捷威动力工业有限公司 | 一种高效稳定石墨负极材料合浆工艺 |
CN113649562B (zh) * | 2021-08-18 | 2022-03-25 | 北京理工大学 | 一种提高含能活性材料流散性和反应性的方法 |
CN115041071A (zh) * | 2022-06-24 | 2022-09-13 | 郑州比克电池有限公司 | 一种改善负极堵筛网的匀浆工艺 |
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CN106981620B (zh) * | 2017-04-07 | 2021-03-30 | 惠州拓邦电气技术有限公司 | 一种锂离子电池负极浆料的制备方法 |
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- 2017-04-07 CN CN201710225731.XA patent/CN106981620B/zh active Active
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