CN109860543B - 一种制备锂电池用铬掺杂镍钴铝酸锂梯度正极材料的方法 - Google Patents
一种制备锂电池用铬掺杂镍钴铝酸锂梯度正极材料的方法 Download PDFInfo
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- CN109860543B CN109860543B CN201811598925.5A CN201811598925A CN109860543B CN 109860543 B CN109860543 B CN 109860543B CN 201811598925 A CN201811598925 A CN 201811598925A CN 109860543 B CN109860543 B CN 109860543B
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- acetate
- mixed solution
- chromium
- lithium
- cobalt
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- 238000000034 method Methods 0.000 title claims abstract description 24
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000010406 cathode material Substances 0.000 title claims abstract description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 14
- 239000011259 mixed solution Substances 0.000 claims abstract description 148
- 239000002243 precursor Substances 0.000 claims abstract description 65
- 238000006243 chemical reaction Methods 0.000 claims abstract description 57
- 238000005245 sintering Methods 0.000 claims abstract description 25
- 238000005507 spraying Methods 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 238000000498 ball milling Methods 0.000 claims abstract description 17
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 claims description 64
- KLMDYFUUSKOJAX-UHFFFAOYSA-K aluminum;acetate;dihydroxide Chemical compound CC(=O)O[Al](O)O KLMDYFUUSKOJAX-UHFFFAOYSA-K 0.000 claims description 64
- WYYQVWLEPYFFLP-UHFFFAOYSA-K chromium(3+);triacetate Chemical compound [Cr+3].CC([O-])=O.CC([O-])=O.CC([O-])=O WYYQVWLEPYFFLP-UHFFFAOYSA-K 0.000 claims description 64
- 229940011182 cobalt acetate Drugs 0.000 claims description 64
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 64
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 64
- 229940078494 nickel acetate Drugs 0.000 claims description 64
- 229940071257 lithium acetate Drugs 0.000 claims description 53
- 239000007788 liquid Substances 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000008367 deionised water Substances 0.000 claims description 33
- 229910021641 deionized water Inorganic materials 0.000 claims description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
- 239000010410 layer Substances 0.000 claims description 30
- 239000002244 precipitate Substances 0.000 claims description 30
- 239000011247 coating layer Substances 0.000 claims description 24
- 238000001704 evaporation Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 5
- 239000003513 alkali Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000000197 pyrolysis Methods 0.000 abstract description 2
- 230000001351 cycling effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 12
- 238000012360 testing method Methods 0.000 description 5
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 4
- 239000010405 anode material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001453 nickel ion Inorganic materials 0.000 description 4
- 229910013716 LiNi Inorganic materials 0.000 description 3
- -1 aluminum ions Chemical class 0.000 description 3
- 229910001430 chromium ion Inorganic materials 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 229910001429 cobalt ion Inorganic materials 0.000 description 2
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 238000005118 spray pyrolysis Methods 0.000 description 2
- 239000011206 ternary composite Substances 0.000 description 2
- 229910018516 Al—O Inorganic materials 0.000 description 1
- 229910010092 LiAlO2 Inorganic materials 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910003005 LiNiO2 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229910000572 Lithium Nickel Cobalt Manganese Oxide (NCM) Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000010757 Reduction Activity Effects 0.000 description 1
- FBDMTTNVIIVBKI-UHFFFAOYSA-N [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] Chemical compound [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] FBDMTTNVIIVBKI-UHFFFAOYSA-N 0.000 description 1
- 229910017869 a-NaFeO2 Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005090 crystal field Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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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- Battery Electrode And Active Subsutance (AREA)
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CN110224123B (zh) * | 2019-06-13 | 2020-09-15 | 广东邦普循环科技有限公司 | 一种高电压钴酸锂正极材料及其制备方法和应用 |
CN112047391A (zh) * | 2020-09-03 | 2020-12-08 | 浙江中金格派锂电产业股份有限公司 | 一种单晶型镍锰铝酸锂正极材料的制备方法 |
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CN102368548B (zh) * | 2011-10-31 | 2012-11-28 | 上海中兴派能能源科技有限公司 | 改性三元材料、其前驱体及该材料和前驱体的制备方法 |
KR102296877B1 (ko) * | 2014-12-03 | 2021-08-31 | 에스케이이노베이션 주식회사 | 리튬 이차 전지 |
CN105552327B (zh) * | 2015-12-18 | 2018-03-30 | 哈尔滨工业大学 | 具有多层结构的锂金属氧化物复合正极材料和组成该材料的前驱体材料及其制备方法和应用 |
CN106953095A (zh) * | 2017-03-03 | 2017-07-14 | 中南大学 | 一种高镍层状正极材料及其制备方法和应用 |
CN107611384B (zh) * | 2017-08-30 | 2021-03-23 | 中国科学院过程工程研究所 | 一种高性能浓度梯度高镍材料、其制备方法及在锂离子电池的用途 |
CN107968198B (zh) * | 2017-11-24 | 2021-03-12 | 中国科学院过程工程研究所 | 一种核壳结构的镍钴锰酸锂前驱体、其制备方法及在锂离子电池的用途 |
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CB03 | Change of inventor or designer information |
Inventor after: Cao Dongqiang Inventor after: Gong Lifeng Inventor after: Wang Hongzhong Inventor after: Fang Ming Inventor after: Huang Feizhong Inventor after: Yu Licheng Inventor after: Luo Ruiping Inventor after: Gong Jie Inventor after: Zhang Yuying Inventor before: Zhang Yuying |
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CB03 | Change of inventor or designer information | ||
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TA01 | Transfer of patent application right |
Effective date of registration: 20201218 Address after: 312000 No.19, Weixi Road, Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province Applicant after: GREATPOWER JINCHUAN ADVANCED BATTERY MATERIALS Corp. Address before: No.816, Longcheng Avenue, Longquanyi District, Chengdu, Sichuan 610100 Applicant before: Zhang Yuying |
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CB03 | Change of inventor or designer information |
Inventor after: Cao Dongqiang Inventor after: Gong Lifeng Inventor after: Wang Hongzhong Inventor after: Fang Ming Inventor after: Huang Feizhong Inventor after: Yu Licheng Inventor after: Luo Ruiping Inventor after: Gong Jie Inventor after: Zhang Yuying Inventor before: Cao Dongqiang Inventor before: Gong Lifeng Inventor before: Wang Hongzhong Inventor before: Fang Ming Inventor before: Huang Feizhong Inventor before: Yu Licheng Inventor before: Luo Ruiping Inventor before: Gong Jie Inventor before: Zhang Yuying |
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CB03 | Change of inventor or designer information | ||
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CP01 | Change in the name or title of a patent holder |
Address after: 312000 No.19, Weixi Road, Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Gepai cobalt industry new material Co.,Ltd. Address before: 312000 No.19, Weixi Road, Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province Patentee before: GREATPOWER JINCHUAN ADVANCED BATTERY MATERIALS Corp. |
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CP01 | Change in the name or title of a patent holder |