CN104157843A - 一种高镍锂离子电池正极材料及其制备方法及包含其的锂离子电池 - Google Patents
一种高镍锂离子电池正极材料及其制备方法及包含其的锂离子电池 Download PDFInfo
- Publication number
- CN104157843A CN104157843A CN201410369702.7A CN201410369702A CN104157843A CN 104157843 A CN104157843 A CN 104157843A CN 201410369702 A CN201410369702 A CN 201410369702A CN 104157843 A CN104157843 A CN 104157843A
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- CN
- China
- Prior art keywords
- lithium
- preparation
- sintering
- positive electrode
- nickelic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title abstract description 28
- 229910052759 nickel Inorganic materials 0.000 title abstract description 9
- 239000007774 positive electrode material Substances 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 60
- 238000002156 mixing Methods 0.000 claims abstract description 42
- 238000005245 sintering Methods 0.000 claims abstract description 42
- 239000000203 mixture Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 17
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 229910052701 rubidium Inorganic materials 0.000 claims abstract description 8
- 229910052792 caesium Inorganic materials 0.000 claims abstract description 7
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 6
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 24
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 20
- 229910052744 lithium Inorganic materials 0.000 claims description 20
- 239000010405 anode material Substances 0.000 claims description 15
- 229920002635 polyurethane Polymers 0.000 claims description 14
- 239000004814 polyurethane Substances 0.000 claims description 14
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 8
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 8
- 229910013716 LiNi Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- YNQRWVCLAIUHHI-UHFFFAOYSA-L dilithium;oxalate Chemical compound [Li+].[Li+].[O-]C(=O)C([O-])=O YNQRWVCLAIUHHI-UHFFFAOYSA-L 0.000 claims description 5
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 229960001078 lithium Drugs 0.000 claims description 4
- 229940031993 lithium benzoate Drugs 0.000 claims description 4
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 4
- 229940071264 lithium citrate Drugs 0.000 claims description 4
- WJSIUCDMWSDDCE-UHFFFAOYSA-K lithium citrate (anhydrous) Chemical compound [Li+].[Li+].[Li+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O WJSIUCDMWSDDCE-UHFFFAOYSA-K 0.000 claims description 4
- LDJNSLOKTFFLSL-UHFFFAOYSA-M lithium;benzoate Chemical compound [Li+].[O-]C(=O)C1=CC=CC=C1 LDJNSLOKTFFLSL-UHFFFAOYSA-M 0.000 claims description 4
- XKPJKVVZOOEMPK-UHFFFAOYSA-M lithium;formate Chemical compound [Li+].[O-]C=O XKPJKVVZOOEMPK-UHFFFAOYSA-M 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910001386 lithium phosphate Inorganic materials 0.000 claims description 2
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 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
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-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
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 24
- 239000001569 carbon dioxide Substances 0.000 abstract description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 9
- 239000003513 alkali Substances 0.000 abstract description 6
- 239000012153 distilled water Substances 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000002243 precursor Substances 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 27
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 description 14
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 10
- 239000000843 powder Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 238000006213 oxygenation reaction Methods 0.000 description 8
- 238000013467 fragmentation Methods 0.000 description 7
- 238000006062 fragmentation reaction Methods 0.000 description 7
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 7
- 150000001768 cations Chemical class 0.000 description 6
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- DJZIBVUGARDLOC-UHFFFAOYSA-N [Ni]=O.[Co]=O.[Li] Chemical compound [Ni]=O.[Co]=O.[Li] DJZIBVUGARDLOC-UHFFFAOYSA-N 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 4
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium superoxide Chemical compound [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002995 LiNi0.8Co0.15Al0.05O2 Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 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
- 230000000694 effects Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000006245 Carbon black Super-P Substances 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910011326 LiNi0.6Co0.3Al0.1O2 Inorganic materials 0.000 description 1
- 229910011337 LiNi0.70Co0.15Mn0.15O2 Inorganic materials 0.000 description 1
- 229910011695 LiNi0.7Co0.3O2 Inorganic materials 0.000 description 1
- 229910015915 LiNi0.8Co0.2O2 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- PAMMESUSQVJOMA-UHFFFAOYSA-L [Li].[Mn](=O)(=O)(O)O.[Ni].[Co] Chemical compound [Li].[Mn](=O)(=O)(O)O.[Ni].[Co] PAMMESUSQVJOMA-UHFFFAOYSA-L 0.000 description 1
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- -1 cesium peroxide Chemical class 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
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CN201410369702.7A CN104157843B (zh) | 2014-07-30 | 2014-07-30 | 一种高镍锂离子电池正极材料及其制备方法及包含其的锂离子电池 |
Applications Claiming Priority (1)
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CN201410369702.7A CN104157843B (zh) | 2014-07-30 | 2014-07-30 | 一种高镍锂离子电池正极材料及其制备方法及包含其的锂离子电池 |
Publications (2)
Publication Number | Publication Date |
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CN104157843A true CN104157843A (zh) | 2014-11-19 |
CN104157843B CN104157843B (zh) | 2018-11-02 |
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Family Applications (1)
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105810929A (zh) * | 2014-12-31 | 2016-07-27 | 北京当升材料科技股份有限公司 | 一种降低高镍材料表面残碱的处理方法 |
CN107248576A (zh) * | 2017-06-22 | 2017-10-13 | 芜湖浙鑫新能源有限公司 | 一种低阳离子混排高镍球形锂离子电池正极材料及其制备方法 |
CN108134069A (zh) * | 2017-12-26 | 2018-06-08 | 深圳市贝特瑞纳米科技有限公司 | 一种锂离子电池正极材料的复合改性方法 |
CN110350165A (zh) * | 2019-06-25 | 2019-10-18 | 浙江工业大学 | 一种提升高镍正极材料稳定性和导电性的处理工艺 |
CN111313024A (zh) * | 2020-02-24 | 2020-06-19 | 江门市科恒实业股份有限公司 | 一种纳米硅酸镁锂包覆高镍正极材料及其制备方法与应用 |
CN114171737A (zh) * | 2021-12-09 | 2022-03-11 | 扬州虹途电子材料有限公司 | 一种低残碱高镍无钴正极材料及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103022476A (zh) * | 2012-12-24 | 2013-04-03 | 湖南长远锂科有限公司 | 一种高镍含量锂离子电池正极材料的制备方法 |
CN103825016A (zh) * | 2014-02-13 | 2014-05-28 | 宁波金和新材料股份有限公司 | 一种富锂高镍正极材料及其制备方法 |
CN103872314A (zh) * | 2014-03-21 | 2014-06-18 | 个旧圣比和实业有限公司 | 一种锂离子电池用高镍三元正极活性物质前驱体的预氧化方法 |
-
2014
- 2014-07-30 CN CN201410369702.7A patent/CN104157843B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103022476A (zh) * | 2012-12-24 | 2013-04-03 | 湖南长远锂科有限公司 | 一种高镍含量锂离子电池正极材料的制备方法 |
CN103825016A (zh) * | 2014-02-13 | 2014-05-28 | 宁波金和新材料股份有限公司 | 一种富锂高镍正极材料及其制备方法 |
CN103872314A (zh) * | 2014-03-21 | 2014-06-18 | 个旧圣比和实业有限公司 | 一种锂离子电池用高镍三元正极活性物质前驱体的预氧化方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105810929A (zh) * | 2014-12-31 | 2016-07-27 | 北京当升材料科技股份有限公司 | 一种降低高镍材料表面残碱的处理方法 |
CN107248576A (zh) * | 2017-06-22 | 2017-10-13 | 芜湖浙鑫新能源有限公司 | 一种低阳离子混排高镍球形锂离子电池正极材料及其制备方法 |
CN108134069A (zh) * | 2017-12-26 | 2018-06-08 | 深圳市贝特瑞纳米科技有限公司 | 一种锂离子电池正极材料的复合改性方法 |
CN110350165A (zh) * | 2019-06-25 | 2019-10-18 | 浙江工业大学 | 一种提升高镍正极材料稳定性和导电性的处理工艺 |
CN111313024A (zh) * | 2020-02-24 | 2020-06-19 | 江门市科恒实业股份有限公司 | 一种纳米硅酸镁锂包覆高镍正极材料及其制备方法与应用 |
CN111313024B (zh) * | 2020-02-24 | 2021-04-13 | 江门市科恒实业股份有限公司 | 一种纳米硅酸镁锂包覆高镍正极材料及其制备方法与应用 |
CN114171737A (zh) * | 2021-12-09 | 2022-03-11 | 扬州虹途电子材料有限公司 | 一种低残碱高镍无钴正极材料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104157843B (zh) | 2018-11-02 |
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