CN1773753A - 锂离子电池正极材料及其制备方法 - Google Patents
锂离子电池正极材料及其制备方法 Download PDFInfo
- Publication number
- CN1773753A CN1773753A CNA2004100885463A CN200410088546A CN1773753A CN 1773753 A CN1773753 A CN 1773753A CN A2004100885463 A CNA2004100885463 A CN A2004100885463A CN 200410088546 A CN200410088546 A CN 200410088546A CN 1773753 A CN1773753 A CN 1773753A
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- Prior art keywords
- lithium
- solution
- preparation
- positive electrode
- clad material
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Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims description 20
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 20
- 239000010405 anode material Substances 0.000 title claims description 17
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 239000002585 base Substances 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims abstract description 9
- 238000005245 sintering Methods 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 23
- 229910013716 LiNi Inorganic materials 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 11
- 238000000975 co-precipitation Methods 0.000 claims description 10
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 10
- 150000004679 hydroxides Chemical class 0.000 claims description 9
- 150000002500 ions Chemical class 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 5
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 4
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- 150000001868 cobalt Chemical class 0.000 claims description 4
- 238000003618 dip coating Methods 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- 150000002815 nickel Chemical class 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 3
- GLXDVVHUTZTUQK-UHFFFAOYSA-M lithium;hydroxide;hydrate Chemical compound [Li+].O.[OH-] GLXDVVHUTZTUQK-UHFFFAOYSA-M 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 2
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000007774 positive electrode material Substances 0.000 abstract description 7
- 150000003839 salts Chemical class 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 2
- 239000002120 nanofilm Substances 0.000 abstract 2
- 229910019419 CoxMyO2 Inorganic materials 0.000 abstract 1
- 239000011572 manganese Substances 0.000 description 14
- 239000000047 product Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 description 6
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 description 6
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 3
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000289669 Erinaceus europaeus Species 0.000 description 1
- 229910010093 LiAlO Inorganic materials 0.000 description 1
- 229910012820 LiCoO Inorganic materials 0.000 description 1
- 229910013275 LiMPO Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910011397 LiNi0.75Co0.25O2 Inorganic materials 0.000 description 1
- 229910015608 LiNi0.82Co0.15Al0.03O2 Inorganic materials 0.000 description 1
- 229910015030 LiNiCoO Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- QEXMICRJPVUPSN-UHFFFAOYSA-N lithium manganese(2+) oxygen(2-) Chemical compound [O-2].[Mn+2].[Li+] QEXMICRJPVUPSN-UHFFFAOYSA-N 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229940068984 polyvinyl alcohol Drugs 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Images
Classifications
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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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- Battery Electrode And Active Subsutance (AREA)
Abstract
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Claims (12)
Priority Applications (1)
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CNB2004100885463A CN100486002C (zh) | 2004-11-08 | 2004-11-08 | 锂离子电池正极材料及其制备方法 |
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CNB2004100885463A CN100486002C (zh) | 2004-11-08 | 2004-11-08 | 锂离子电池正极材料及其制备方法 |
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CN1773753A true CN1773753A (zh) | 2006-05-17 |
CN100486002C CN100486002C (zh) | 2009-05-06 |
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Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101308925B (zh) * | 2008-07-04 | 2011-02-02 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子电池复合包覆正极材料及其制备方法 |
CN102054980A (zh) * | 2009-10-27 | 2011-05-11 | 法拉赛斯能源公司 | 用于锂离子电池正极的复合材料及其制备方法和电池 |
CN101635345B (zh) * | 2009-06-17 | 2011-07-27 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子电池用硅酸盐正极材料及其制备方法 |
CN102832388A (zh) * | 2012-09-29 | 2012-12-19 | 上海空间电源研究所 | 一种表面包覆磷酸金属盐的锂离子电池正极材料及其制备方法 |
CN103199228A (zh) * | 2013-03-12 | 2013-07-10 | 东莞市翔丰华电池材料有限公司 | 一种改性三元正极材料的制备方法 |
CN103247797A (zh) * | 2013-05-20 | 2013-08-14 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池正极材料及其制备方法 |
CN104134795A (zh) * | 2014-07-25 | 2014-11-05 | 江南大学 | 一种球形层状结构锂离子电池正极材料外包覆纳米金属氧化物制备方法 |
CN104393285A (zh) * | 2014-10-14 | 2015-03-04 | 鸿源控股有限公司 | 镍钴铝三元正极材料及其制备方法 |
CN104507866A (zh) * | 2013-07-26 | 2015-04-08 | 株式会社Lg化学 | 正极活性物质及其制备方法 |
CN105070907A (zh) * | 2015-08-31 | 2015-11-18 | 宁波金和锂电材料有限公司 | 一种高镍正极材料及其制备方法和锂离子电池 |
CN105226271A (zh) * | 2014-05-30 | 2016-01-06 | 宁德时代新能源科技有限公司 | 复合正极活性材料及锂离子二次电池 |
CN106229477A (zh) * | 2016-08-12 | 2016-12-14 | 中航锂电(洛阳)有限公司 | 正极活性材料、制备方法及应用 |
CN106997948A (zh) * | 2015-12-11 | 2017-08-01 | 三星Sdi株式会社 | 锂离子二次电池用正极、其制备方法及锂离子二次电池 |
US9905851B2 (en) | 2013-07-26 | 2018-02-27 | Lg Chem, Ltd. | Cathode active material and method of preparing the same |
US9905850B2 (en) | 2013-07-26 | 2018-02-27 | Lg Chem, Ltd. | Polycrystalline lithium manganese oxide particles, preparation method thereof, and cathode active material including the same |
CN108075114A (zh) * | 2016-11-18 | 2018-05-25 | 株式会社半导体能源研究所 | 正极活性物质、正极活性物质的制造方法及二次电池 |
CN108134078A (zh) * | 2017-12-13 | 2018-06-08 | 河南工业大学 | 一种锂离子电池正极材料及其制作方法 |
CN109428060A (zh) * | 2017-08-28 | 2019-03-05 | 中国科学院宁波材料技术与工程研究所 | 一种包覆型多层前驱体的制备方法及应用 |
CN109713216A (zh) * | 2018-12-27 | 2019-05-03 | 中南新能源技术研究院(南京)有限公司 | 新型三元锂电池 |
CN112805847A (zh) * | 2018-10-02 | 2021-05-14 | 巴斯夫欧洲公司 | 制备至少部分涂覆的电极活性材料的方法 |
CN113764653A (zh) * | 2021-08-30 | 2021-12-07 | 浙江帕瓦新能源股份有限公司 | 双重氧化物包覆修饰的低钴三元正极材料及其制备方法 |
CN114005986A (zh) * | 2021-10-26 | 2022-02-01 | 蜂巢能源科技有限公司 | 一种改性三元正极材料及其制备方法和应用 |
WO2022188181A1 (zh) * | 2021-03-12 | 2022-09-15 | 宁德新能源科技有限公司 | 正极材料、包含其的电化学装置和电子设备 |
-
2004
- 2004-11-08 CN CNB2004100885463A patent/CN100486002C/zh active Active
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101308925B (zh) * | 2008-07-04 | 2011-02-02 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子电池复合包覆正极材料及其制备方法 |
CN101635345B (zh) * | 2009-06-17 | 2011-07-27 | 深圳市贝特瑞新能源材料股份有限公司 | 锂离子电池用硅酸盐正极材料及其制备方法 |
CN102054980A (zh) * | 2009-10-27 | 2011-05-11 | 法拉赛斯能源公司 | 用于锂离子电池正极的复合材料及其制备方法和电池 |
CN102054980B (zh) * | 2009-10-27 | 2014-10-08 | 法拉赛斯能源公司 | 用于锂离子电池正极的复合材料及其制备方法和电池 |
CN102832388B (zh) * | 2012-09-29 | 2015-04-15 | 上海空间电源研究所 | 一种表面包覆磷酸金属盐的锂离子电池正极材料及其制备方法 |
CN102832388A (zh) * | 2012-09-29 | 2012-12-19 | 上海空间电源研究所 | 一种表面包覆磷酸金属盐的锂离子电池正极材料及其制备方法 |
CN103199228A (zh) * | 2013-03-12 | 2013-07-10 | 东莞市翔丰华电池材料有限公司 | 一种改性三元正极材料的制备方法 |
CN103247797A (zh) * | 2013-05-20 | 2013-08-14 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池正极材料及其制备方法 |
CN103247797B (zh) * | 2013-05-20 | 2015-10-28 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池正极材料及其制备方法 |
CN104507866A (zh) * | 2013-07-26 | 2015-04-08 | 株式会社Lg化学 | 正极活性物质及其制备方法 |
US10236499B2 (en) | 2013-07-26 | 2019-03-19 | Lg Chem, Ltd. | Polycrystalline lithium manganese oxide particles, preparation method thereof, and cathode active material including the same |
CN104507866B (zh) * | 2013-07-26 | 2017-02-22 | 株式会社Lg 化学 | 正极活性物质及其制备方法 |
US9905840B2 (en) | 2013-07-26 | 2018-02-27 | Lg Chem, Ltd. | Cathode active material and method of preparing the same |
US9905851B2 (en) | 2013-07-26 | 2018-02-27 | Lg Chem, Ltd. | Cathode active material and method of preparing the same |
US9905850B2 (en) | 2013-07-26 | 2018-02-27 | Lg Chem, Ltd. | Polycrystalline lithium manganese oxide particles, preparation method thereof, and cathode active material including the same |
CN105226271A (zh) * | 2014-05-30 | 2016-01-06 | 宁德时代新能源科技有限公司 | 复合正极活性材料及锂离子二次电池 |
CN104134795A (zh) * | 2014-07-25 | 2014-11-05 | 江南大学 | 一种球形层状结构锂离子电池正极材料外包覆纳米金属氧化物制备方法 |
CN104393285A (zh) * | 2014-10-14 | 2015-03-04 | 鸿源控股有限公司 | 镍钴铝三元正极材料及其制备方法 |
CN105070907A (zh) * | 2015-08-31 | 2015-11-18 | 宁波金和锂电材料有限公司 | 一种高镍正极材料及其制备方法和锂离子电池 |
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