CN103413932A - 一种改性单晶型多元正极材料及其制备方法 - Google Patents
一种改性单晶型多元正极材料及其制备方法 Download PDFInfo
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- CN103413932A CN103413932A CN2013103621659A CN201310362165A CN103413932A CN 103413932 A CN103413932 A CN 103413932A CN 2013103621659 A CN2013103621659 A CN 2013103621659A CN 201310362165 A CN201310362165 A CN 201310362165A CN 103413932 A CN103413932 A CN 103413932A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 239000013078 crystal Substances 0.000 title abstract description 17
- 239000010405 anode material Substances 0.000 title abstract description 8
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 25
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 22
- 238000000975 co-precipitation Methods 0.000 claims abstract description 18
- 238000005245 sintering Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 150000001450 anions Chemical class 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 56
- 238000012986 modification Methods 0.000 claims description 29
- 230000004048 modification Effects 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 22
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 15
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 10
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- 239000004088 foaming agent Substances 0.000 claims description 6
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 229920001661 Chitosan Polymers 0.000 claims description 5
- -1 anion lithium salts Chemical class 0.000 claims description 5
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims description 3
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 3
- GKQWYZBANWAFMQ-UHFFFAOYSA-M lithium;2-hydroxypropanoate Chemical compound [Li+].CC(O)C([O-])=O GKQWYZBANWAFMQ-UHFFFAOYSA-M 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- SZRFBYHSPBISSS-UHFFFAOYSA-I [OH-].[Mn+2].[Ni+2].[Li+].[OH-].[OH-].[OH-].[OH-] Chemical compound [OH-].[Mn+2].[Ni+2].[Li+].[OH-].[OH-].[OH-].[OH-] SZRFBYHSPBISSS-UHFFFAOYSA-I 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- MZZUATUOLXMCEY-UHFFFAOYSA-N cobalt manganese Chemical compound [Mn].[Co] MZZUATUOLXMCEY-UHFFFAOYSA-N 0.000 claims description 2
- 238000004093 laser heating Methods 0.000 claims description 2
- KVBRZJMREMMXNK-UHFFFAOYSA-G lithium cobalt(2+) manganese(2+) nickel(2+) heptahydroxide Chemical compound [OH-].[Co+2].[Ni+2].[Mn+2].[Li+].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-] KVBRZJMREMMXNK-UHFFFAOYSA-G 0.000 claims description 2
- 229910001386 lithium phosphate Inorganic materials 0.000 claims description 2
- SNKMVYBWZDHJHE-UHFFFAOYSA-M lithium;dihydrogen phosphate Chemical compound [Li+].OP(O)([O-])=O SNKMVYBWZDHJHE-UHFFFAOYSA-M 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims description 2
- ZAUUZASCMSWKGX-UHFFFAOYSA-N manganese nickel Chemical compound [Mn].[Ni] ZAUUZASCMSWKGX-UHFFFAOYSA-N 0.000 claims description 2
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000005056 compaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 10
- 229940126062 Compound A Drugs 0.000 description 9
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 9
- 238000013019 agitation Methods 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 229910016739 Ni0.5Co0.2Mn0.3(OH)2 Inorganic materials 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000005054 agglomeration Methods 0.000 description 7
- 230000002776 aggregation Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000011572 manganese Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 229910015118 LiMO Inorganic materials 0.000 description 1
- 229910013716 LiNi Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910017071 Ni0.6Co0.2Mn0.2(OH)2 Inorganic materials 0.000 description 1
- 229910017223 Ni0.8Co0.1Mn0.1(OH)2 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 150000001455 metallic ions Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011800 void material Substances 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
Description
多元正极材料 | Li+/Ni2+混排度 | 粉末压实密度(g/cm3) |
实施例1 | 3.8±0.3% | 4.07 |
对比例1 | 6.5±0.3% | 3.73 |
Claims (10)
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Cited By (8)
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CN104009219A (zh) * | 2013-12-16 | 2014-08-27 | 青岛乾运高科新材料股份有限公司 | 一种多孔泡沫状锰基固溶体正极材料及其制备方法 |
CN105742596A (zh) * | 2016-03-07 | 2016-07-06 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池正极材料的制备方法 |
CN107910527A (zh) * | 2017-11-17 | 2018-04-13 | 中钢集团安徽天源科技股份有限公司 | 一种多孔隙镍钴铝三元材料前驱体及其制备方法 |
CN110224112A (zh) * | 2018-11-07 | 2019-09-10 | 山东华亿比科新能源股份有限公司 | 一种锂离子电池用二次造孔方法 |
WO2021258662A1 (zh) * | 2020-06-24 | 2021-12-30 | 蜂巢能源科技有限公司 | 一种正极材料、其制备方法和锂离子电池 |
CN114068912A (zh) * | 2020-08-10 | 2022-02-18 | 巴斯夫杉杉电池材料有限公司 | 一种二元高镍单晶正极材料及其制备方法 |
CN114245940A (zh) * | 2019-12-05 | 2022-03-25 | 宁德时代新能源科技股份有限公司 | 锂离子电池、用于锂离子电池的正极极片及装置 |
CN115947382A (zh) * | 2023-03-01 | 2023-04-11 | 江门市科恒实业股份有限公司 | 一种大粒度单晶钴酸锂正极材料及其制备方法和应用 |
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Cited By (14)
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CN104009219B (zh) * | 2013-12-16 | 2017-12-12 | 青岛乾运高科新材料股份有限公司 | 一种多孔泡沫状锰基固溶体正极材料及其制备方法 |
CN104009219A (zh) * | 2013-12-16 | 2014-08-27 | 青岛乾运高科新材料股份有限公司 | 一种多孔泡沫状锰基固溶体正极材料及其制备方法 |
CN105742596A (zh) * | 2016-03-07 | 2016-07-06 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池正极材料的制备方法 |
CN105742596B (zh) * | 2016-03-07 | 2018-06-05 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池正极材料的制备方法 |
CN107910527A (zh) * | 2017-11-17 | 2018-04-13 | 中钢集团安徽天源科技股份有限公司 | 一种多孔隙镍钴铝三元材料前驱体及其制备方法 |
CN110224112B (zh) * | 2018-11-07 | 2022-02-22 | 山东华亿比科新能源股份有限公司 | 一种锂离子电池用二次造孔方法 |
CN110224112A (zh) * | 2018-11-07 | 2019-09-10 | 山东华亿比科新能源股份有限公司 | 一种锂离子电池用二次造孔方法 |
CN114245940A (zh) * | 2019-12-05 | 2022-03-25 | 宁德时代新能源科技股份有限公司 | 锂离子电池、用于锂离子电池的正极极片及装置 |
CN114245940B (zh) * | 2019-12-05 | 2023-08-04 | 宁德时代新能源科技股份有限公司 | 锂离子电池、用于锂离子电池的正极极片及装置 |
US12021242B2 (en) | 2019-12-05 | 2024-06-25 | Contemporary Amperex Technology Co., Limited | Lithium-ion battery, positive electrode plate for lithium-ion battery, and apparatus |
WO2021258662A1 (zh) * | 2020-06-24 | 2021-12-30 | 蜂巢能源科技有限公司 | 一种正极材料、其制备方法和锂离子电池 |
CN114068912A (zh) * | 2020-08-10 | 2022-02-18 | 巴斯夫杉杉电池材料有限公司 | 一种二元高镍单晶正极材料及其制备方法 |
CN114068912B (zh) * | 2020-08-10 | 2023-09-05 | 巴斯夫杉杉电池材料有限公司 | 一种二元高镍单晶正极材料及其制备方法 |
CN115947382A (zh) * | 2023-03-01 | 2023-04-11 | 江门市科恒实业股份有限公司 | 一种大粒度单晶钴酸锂正极材料及其制备方法和应用 |
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