CN101118964A - 提高锂离子电池电极材料性能的方法 - Google Patents
提高锂离子电池电极材料性能的方法 Download PDFInfo
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- CN101118964A CN101118964A CNA2007100768533A CN200710076853A CN101118964A CN 101118964 A CN101118964 A CN 101118964A CN A2007100768533 A CNA2007100768533 A CN A2007100768533A CN 200710076853 A CN200710076853 A CN 200710076853A CN 101118964 A CN101118964 A CN 101118964A
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- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 56
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000007772 electrode material Substances 0.000 title claims description 79
- 230000002708 enhancing effect Effects 0.000 title 1
- 239000002245 particle Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000000047 product Substances 0.000 claims abstract description 17
- 239000013067 intermediate product Substances 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 50
- 230000004927 fusion Effects 0.000 claims description 46
- 229910002804 graphite Inorganic materials 0.000 claims description 46
- 239000010439 graphite Substances 0.000 claims description 46
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 19
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052744 lithium Inorganic materials 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 7
- ZVKRVGZVXQYLPZ-UHFFFAOYSA-N [Li].[V].P(O)(O)(O)=O Chemical compound [Li].[V].P(O)(O)(O)=O ZVKRVGZVXQYLPZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- -1 Delanium Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 claims description 4
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 235000002595 Solanum tuberosum Nutrition 0.000 claims description 3
- 244000061456 Solanum tuberosum Species 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 22
- 230000008569 process Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012467 final product Substances 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 description 11
- 239000006258 conductive agent Substances 0.000 description 10
- 239000000843 powder Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 239000010419 fine particle Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000006245 Carbon black Super-P Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 239000010406 cathode material Substances 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- 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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Abstract
Description
实施例 | 电极材料 | 粉碎 | 融合时间(min) | 融合前的振实密度(g/cm3) | 融合后的振实密度(g/cm3) | 融合前的加工性能(浆料情况) | 融合后的加工性能(浆料情况) |
1 | 磷酸铁锂 | 气流粉碎 | 240 | 1.2 | 1.6 | 团聚、流动性差 | 细密、流动性好 |
2 | 锰酸锂 | 气流粉碎 | 15 | 1.9 | 2.3 | 沉降、流动性差 | 光泽、流动性好 |
3 | 天然石墨 | 机械粉碎 | 120 | 0.9 | 1.1 | 沉降、流动性差 | 光泽、流动性好 |
4 | 人造石墨 | 机械粉碎 | 120 | 0.9 | 1.2 | 团聚、流动性差 | 细密、流动性好 |
5 | 复合石墨 | 机械粉碎 | 300 | 0.9 | 1.15 | 沉降、团聚、流动性差 | 细密、光泽、流动性好 |
6 | 石墨尾料 | - | 180 | 0.35 | 0.8 | 沉降、团聚、流动性特别差,不能做电池 | 细密、光泽、流动性好,能够做电池 |
实施例 | 电极材料 | 处理情况 | 对应的423048A电池容量(mAh) |
1 | 磷酸铁锂 | 融合前 | 342 |
融合后 | 381 | ||
2 | 锰酸锂 | 融合前 | 403 |
融合后 | 467 | ||
3 | 天然石墨 | 融合前 | 634 |
融合后 | 681 | ||
4 | 人造石墨 | 融合前 | 624 |
融合后 | 652 | ||
5 | 复合石墨 | 融合前 | 629 |
融合后 | 668 | ||
6 | 石墨尾料 | 融合前 | 未能做成电池 |
融合后 | 615 |
Claims (9)
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102176389A (zh) * | 2010-12-16 | 2011-09-07 | 海博瑞恩电子科技无锡有限公司 | 多孔电极制造方法 |
CN102315478A (zh) * | 2010-06-29 | 2012-01-11 | 深圳市比克电池有限公司 | 锂离子电池体系及改善锂电池低温放电性能的方法 |
CN103165886A (zh) * | 2012-11-23 | 2013-06-19 | 杭州金马能源科技有限公司 | 一种高振实密度磷酸亚铁锂材料的制备方法 |
CN103855397A (zh) * | 2012-12-05 | 2014-06-11 | 宁波杉杉新材料科技有限公司 | 一种天然石墨材料的预处理方法及所得产品和应用 |
CN103872294A (zh) * | 2014-03-26 | 2014-06-18 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池用复合材料、其制备方法和锂离子电池 |
CN103879997A (zh) * | 2012-12-21 | 2014-06-25 | 上海杉杉科技有限公司 | 一种人造石墨材料的预处理方法及所得产品和应用 |
CN104085883A (zh) * | 2014-07-09 | 2014-10-08 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池用人造石墨负极材料及其制备方法 |
CN106876675A (zh) * | 2017-03-23 | 2017-06-20 | 福建翔丰华新能源材料有限公司 | 一种锂离子电池用钛酸锂石墨复合负极材料的制备方法 |
CN107275608A (zh) * | 2017-06-16 | 2017-10-20 | 安化县泰森循环科技有限公司 | 一种制备高压实LiFePO4C复合材料的工艺 |
CN107799773A (zh) * | 2017-09-26 | 2018-03-13 | 湖南湘讯企业管理有限公司 | 一种锂电池用负极材料及其制备方法和应用 |
CN108011104A (zh) * | 2017-12-12 | 2018-05-08 | 桑顿新能源科技有限公司 | 一种高压实密度磷酸铁锂正极材料及其制备方法 |
CN108039488A (zh) * | 2017-11-15 | 2018-05-15 | 五龙动力(重庆)锂电材料有限公司 | 高容量、高温常温性能优越的高镍系正极材料及其制备方法 |
CN108199042A (zh) * | 2018-01-09 | 2018-06-22 | 河北工业大学 | 一种球形磷酸铁锂混合型极片的制备方法 |
CN109485040A (zh) * | 2018-11-28 | 2019-03-19 | 乌兰察布市大盛石墨新材料股份有限公司 | 利用石墨尾料制备石墨微球的方法 |
CN112577872A (zh) * | 2019-09-29 | 2021-03-30 | 天津国安盟固利新材料科技股份有限公司 | 一种锂离子电池正极材料性能的表征方法 |
WO2023029889A1 (zh) * | 2021-09-03 | 2023-03-09 | 贝特瑞新材料集团股份有限公司 | 负极材料及其制备方法、锂离子电池 |
WO2023115530A1 (zh) * | 2021-12-24 | 2023-06-29 | 宁德时代新能源科技股份有限公司 | 人造石墨及其制备方法及包含该人造石墨的二次电池和用电装置 |
CN118380570A (zh) * | 2024-06-19 | 2024-07-23 | 比亚迪股份有限公司 | 一种含锂磷酸盐材料、锂离子电池正极及制备方法与应用 |
-
2007
- 2007-08-31 CN CNB2007100768533A patent/CN100524906C/zh active Active
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102315478A (zh) * | 2010-06-29 | 2012-01-11 | 深圳市比克电池有限公司 | 锂离子电池体系及改善锂电池低温放电性能的方法 |
CN102315478B (zh) * | 2010-06-29 | 2015-05-27 | 深圳市比克电池有限公司 | 锂离子电池体系及改善锂电池低温放电性能的方法 |
CN102176389A (zh) * | 2010-12-16 | 2011-09-07 | 海博瑞恩电子科技无锡有限公司 | 多孔电极制造方法 |
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CN109485040B (zh) * | 2018-11-28 | 2020-09-29 | 乌兰察布市大盛石墨新材料股份有限公司 | 利用石墨尾料制备石墨微球的方法 |
CN112577872A (zh) * | 2019-09-29 | 2021-03-30 | 天津国安盟固利新材料科技股份有限公司 | 一种锂离子电池正极材料性能的表征方法 |
WO2023029889A1 (zh) * | 2021-09-03 | 2023-03-09 | 贝特瑞新材料集团股份有限公司 | 负极材料及其制备方法、锂离子电池 |
WO2023115530A1 (zh) * | 2021-12-24 | 2023-06-29 | 宁德时代新能源科技股份有限公司 | 人造石墨及其制备方法及包含该人造石墨的二次电池和用电装置 |
CN118380570A (zh) * | 2024-06-19 | 2024-07-23 | 比亚迪股份有限公司 | 一种含锂磷酸盐材料、锂离子电池正极及制备方法与应用 |
CN118380570B (zh) * | 2024-06-19 | 2024-10-11 | 比亚迪股份有限公司 | 一种含锂磷酸盐材料、锂离子电池正极及制备方法与应用 |
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