CN110165198A - 一种包覆石墨烯的锂离子电池正极材料的制备方法 - Google Patents
一种包覆石墨烯的锂离子电池正极材料的制备方法 Download PDFInfo
- Publication number
- CN110165198A CN110165198A CN201910589602.8A CN201910589602A CN110165198A CN 110165198 A CN110165198 A CN 110165198A CN 201910589602 A CN201910589602 A CN 201910589602A CN 110165198 A CN110165198 A CN 110165198A
- Authority
- CN
- China
- Prior art keywords
- lithium
- preparation
- ion batteries
- mixed
- graphite alkene
- 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
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 43
- -1 graphite alkene Chemical class 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 42
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 38
- 239000010439 graphite Substances 0.000 title claims abstract description 38
- 239000010405 anode material Substances 0.000 title claims abstract description 36
- 239000011268 mixed slurry Substances 0.000 claims abstract description 49
- 239000011230 binding agent Substances 0.000 claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 30
- 239000007774 positive electrode material Substances 0.000 claims abstract description 28
- 238000001694 spray drying Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000003960 organic solvent Substances 0.000 claims description 37
- GRTOGORTSDXSFK-XJTZBENFSA-N ajmalicine Chemical compound C1=CC=C2C(CCN3C[C@@H]4[C@H](C)OC=C([C@H]4C[C@H]33)C(=O)OC)=C3NC2=C1 GRTOGORTSDXSFK-XJTZBENFSA-N 0.000 claims description 32
- 239000003292 glue Substances 0.000 claims description 28
- 230000006798 recombination Effects 0.000 claims description 22
- 238000005215 recombination Methods 0.000 claims description 22
- 230000006698 induction Effects 0.000 claims description 13
- 238000000889 atomisation Methods 0.000 claims description 12
- 230000005672 electromagnetic field Effects 0.000 claims description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 20
- 239000007789 gas Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 7
- 239000005060 rubber Substances 0.000 description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229910006025 NiCoMn Inorganic materials 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000012496 blank sample Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229920001038 ethylene copolymer Polymers 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002663 nebulization Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 239000005955 Ferric phosphate Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002983 Li2MnO3 Inorganic materials 0.000 description 1
- 229910012453 Li3Fe2(PO4)3 Inorganic materials 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910011279 LiCoPO4 Inorganic materials 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910002993 LiMnO2 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- ZVKRVGZVXQYLPZ-UHFFFAOYSA-N [Li].[V].P(O)(O)(O)=O Chemical compound [Li].[V].P(O)(O)(O)=O ZVKRVGZVXQYLPZ-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- DTZIJDGHIXIEEP-UHFFFAOYSA-N buta-1,3-diene;ethene;styrene Chemical group C=C.C=C.C=CC=C.C=CC1=CC=CC=C1 DTZIJDGHIXIEEP-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 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
- 229920003244 diene elastomer Polymers 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 229940113088 dimethylacetamide Drugs 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 210000000720 eyelash Anatomy 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen 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
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 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 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002589 poly(vinylethylene) polymer Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- XFNJVJPLKCPIBV-UHFFFAOYSA-N trimethylenediamine Chemical compound NCCCN XFNJVJPLKCPIBV-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000004711 α-olefin Substances 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
- 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
-
- 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910589602.8A CN110165198B (zh) | 2019-07-02 | 2019-07-02 | 一种包覆石墨烯的锂离子电池正极材料的制备方法 |
Applications Claiming Priority (1)
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CN201910589602.8A CN110165198B (zh) | 2019-07-02 | 2019-07-02 | 一种包覆石墨烯的锂离子电池正极材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN110165198A true CN110165198A (zh) | 2019-08-23 |
CN110165198B CN110165198B (zh) | 2020-10-20 |
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Family Applications (1)
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CN201910589602.8A Active CN110165198B (zh) | 2019-07-02 | 2019-07-02 | 一种包覆石墨烯的锂离子电池正极材料的制备方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112234199A (zh) * | 2020-09-15 | 2021-01-15 | 深圳市拓邦锂电池有限公司 | 锂离子电池正极浆料及其制备方法和锂离子电池正极片 |
CN115148945A (zh) * | 2022-06-24 | 2022-10-04 | 广东墨睿科技有限公司 | 一种高镍三元正极材料的改性方法 |
CN116072874A (zh) * | 2023-03-06 | 2023-05-05 | 宜宾锂宝新材料有限公司 | 正极材料及其制备方法、正极和锂离子电池 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170221645A1 (en) * | 2014-08-11 | 2017-08-03 | The Arizona Board Of Regents On Behalf Of The University Of Arizona | Aligned graphene-carbon nanotube porous carbon composite |
CN107528054A (zh) * | 2017-08-27 | 2017-12-29 | 长沙小新新能源科技有限公司 | 一种石墨烯高能锂电池复合正极浆料及其制备方法 |
CN108539152A (zh) * | 2018-03-27 | 2018-09-14 | 宁夏汉尧石墨烯储能材料科技有限公司 | 喷雾干燥法制备石墨烯改性高镍系正极材料的方法及由该方法制备的正极材料 |
CN108807933A (zh) * | 2018-06-29 | 2018-11-13 | 深圳市德方纳米科技股份有限公司 | 一种正极材料及其制备方法 |
-
2019
- 2019-07-02 CN CN201910589602.8A patent/CN110165198B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170221645A1 (en) * | 2014-08-11 | 2017-08-03 | The Arizona Board Of Regents On Behalf Of The University Of Arizona | Aligned graphene-carbon nanotube porous carbon composite |
CN107528054A (zh) * | 2017-08-27 | 2017-12-29 | 长沙小新新能源科技有限公司 | 一种石墨烯高能锂电池复合正极浆料及其制备方法 |
CN108539152A (zh) * | 2018-03-27 | 2018-09-14 | 宁夏汉尧石墨烯储能材料科技有限公司 | 喷雾干燥法制备石墨烯改性高镍系正极材料的方法及由该方法制备的正极材料 |
CN108807933A (zh) * | 2018-06-29 | 2018-11-13 | 深圳市德方纳米科技股份有限公司 | 一种正极材料及其制备方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112234199A (zh) * | 2020-09-15 | 2021-01-15 | 深圳市拓邦锂电池有限公司 | 锂离子电池正极浆料及其制备方法和锂离子电池正极片 |
CN115148945A (zh) * | 2022-06-24 | 2022-10-04 | 广东墨睿科技有限公司 | 一种高镍三元正极材料的改性方法 |
CN115148945B (zh) * | 2022-06-24 | 2023-03-07 | 广东墨睿科技有限公司 | 一种高镍三元正极材料的改性方法 |
CN116072874A (zh) * | 2023-03-06 | 2023-05-05 | 宜宾锂宝新材料有限公司 | 正极材料及其制备方法、正极和锂离子电池 |
Also Published As
Publication number | Publication date |
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CN110165198B (zh) | 2020-10-20 |
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