CN110050367B - 正极活性物质及其制备方法以及包括其的锂二次电池 - Google Patents
正极活性物质及其制备方法以及包括其的锂二次电池 Download PDFInfo
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- CN110050367B CN110050367B CN201780075424.6A CN201780075424A CN110050367B CN 110050367 B CN110050367 B CN 110050367B CN 201780075424 A CN201780075424 A CN 201780075424A CN 110050367 B CN110050367 B CN 110050367B
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- ltoreq
- nickel
- particles
- chemical formula
- positive electrode
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- 239000007774 positive electrode material Substances 0.000 title claims description 72
- 229910052744 lithium Inorganic materials 0.000 title claims description 42
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 41
- 238000000034 method Methods 0.000 title claims description 35
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 374
- 239000002245 particle Substances 0.000 claims abstract description 249
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 181
- 229910000000 metal hydroxide Inorganic materials 0.000 claims abstract description 59
- 150000004692 metal hydroxides Chemical class 0.000 claims abstract description 41
- 230000007423 decrease Effects 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims description 85
- 239000002184 metal Substances 0.000 claims description 85
- 238000000975 co-precipitation Methods 0.000 claims description 83
- 239000000126 substance Substances 0.000 claims description 80
- 239000007864 aqueous solution Substances 0.000 claims description 62
- 150000003839 salts Chemical class 0.000 claims description 60
- 229910021450 lithium metal oxide Inorganic materials 0.000 claims description 54
- 239000000203 mixture Substances 0.000 claims description 53
- 239000000463 material Substances 0.000 claims description 48
- 239000002994 raw material Substances 0.000 claims description 44
- 229910052748 manganese Inorganic materials 0.000 claims description 19
- -1 nickel metal hydroxide Chemical class 0.000 claims description 19
- 239000011149 active material Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 229910052731 fluorine Inorganic materials 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 229910052698 phosphorus Inorganic materials 0.000 claims description 15
- 229910052721 tungsten Inorganic materials 0.000 claims description 15
- 238000010304 firing Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 11
- 239000002738 chelating agent Substances 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000011258 core-shell material Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 31
- 239000011572 manganese Substances 0.000 description 30
- 239000002243 precursor Substances 0.000 description 22
- 238000011156 evaluation Methods 0.000 description 12
- 239000012266 salt solution Substances 0.000 description 10
- 238000000113 differential scanning calorimetry Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 230000002902 bimodal effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007580 dry-mixing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000003921 particle size analysis Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 101000856236 Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787) Butyrate-acetoacetate CoA-transferase subunit B Proteins 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910013872 LiPF Inorganic materials 0.000 description 1
- 101150058243 Lipf gene Proteins 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 241000080590 Niso Species 0.000 description 1
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000006182 cathode active material Substances 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
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/04—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Nickelates
- C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Nickelates
- C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
- C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
- C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
-
- 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
-
- 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
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20160164541 | 2016-12-05 | ||
KR10-2016-0164541 | 2016-12-05 | ||
PCT/KR2017/013841 WO2018105945A2 (ko) | 2016-12-05 | 2017-11-29 | 양극 활물질 전구체 및 이의 제조 방법, 양극 활물질 및 이의 제조 방법, 및 상기 양극 활물질을 포함하는 리튬 이차 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110050367A CN110050367A (zh) | 2019-07-23 |
CN110050367B true CN110050367B (zh) | 2023-09-12 |
Family
ID=62492069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201780075424.6A Active CN110050367B (zh) | 2016-12-05 | 2017-11-29 | 正极活性物质及其制备方法以及包括其的锂二次电池 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20190372110A1 (zh) |
EP (1) | EP3550644A4 (zh) |
JP (1) | JP6975788B2 (zh) |
KR (2) | KR20180064295A (zh) |
CN (1) | CN110050367B (zh) |
WO (1) | WO2018105945A2 (zh) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10782272B2 (en) * | 2017-07-15 | 2020-09-22 | Microvast Power Systems Co., Ltd. | Analytical method for precipitated particles during co-precipitation reaction |
KR102256298B1 (ko) * | 2018-06-26 | 2021-05-26 | 삼성에스디아이 주식회사 | 리튬이차전지용 니켈계 활물질 전구체, 이의 제조방법, 이로부터 형성된 리튬이차전지용 니켈계 활물질 및 이를 포함하는 양극을 함유한 리튬이차전지 |
EP3611133A1 (en) | 2018-08-14 | 2020-02-19 | Samsung SDI Co., Ltd. | Nickel-based active material precursor for lithium secondary battery, preparation method thereof, nickel-based active material for lithium secondary battery formed therefrom, and lithium secondary battery including cathode including the nickel-based active material |
CN112997338A (zh) | 2018-09-12 | 2021-06-18 | 株式会社Posco | 正极活性材料、其制备方法和包含它的锂二次电池 |
KR102306547B1 (ko) * | 2018-09-14 | 2021-09-30 | 주식회사 엘지화학 | 리튬 이차전지용 양극재의 제조 방법 및 이에 의해 제조된 리튬 이차전지용 양극재 |
KR102141059B1 (ko) * | 2018-09-28 | 2020-08-04 | 주식회사 포스코 | 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
KR102108781B1 (ko) * | 2019-07-23 | 2020-05-13 | 주식회사 엘 앤 에프 | 신규한 리튬 복합금속 산화물 및 이를 포함하는 리튬 이차전지 |
KR102288491B1 (ko) * | 2019-08-16 | 2021-08-10 | 주식회사 에스엠랩 | 양극활물질, 이의 제조방법 및 이를 포함하는 양극을 포함한 리튬이차전지 |
WO2021066215A1 (ko) * | 2019-10-01 | 2021-04-08 | 주식회사 엘 앤 에프 | 신규한 리튬 복합금속 산화물 및 이를 포함하는 리튬 이차전지 |
WO2021066216A1 (ko) * | 2019-10-01 | 2021-04-08 | 주식회사 엘 앤 에프 | 신규한 리튬 복합금속 산화물 및 이를 포함하는 리튬 이차전지 |
WO2021066214A1 (ko) * | 2019-10-01 | 2021-04-08 | 주식회사 엘 앤 에프 | 신규한 리튬 복합금속 산화물 및 이를 포함하는 리튬 이차전지 |
JP7386988B2 (ja) * | 2019-10-23 | 2023-11-27 | エルジー・ケム・リミテッド | 正極活物質、これを含む正極およびリチウム二次電池 |
JP6857752B1 (ja) * | 2020-01-09 | 2021-04-14 | 住友化学株式会社 | リチウム金属複合酸化物、リチウム二次電池用正極活物質、リチウム二次電池用正極、リチウム二次電池及びリチウム金属複合酸化物の製造方法 |
CN111430689B (zh) * | 2020-03-27 | 2022-10-25 | 蜂巢能源科技有限公司 | 正极材料及其制备方法,正极、锂离子电池和车辆 |
CN111762819B (zh) * | 2020-06-16 | 2022-11-04 | 广东省科学院稀有金属研究所 | 梯度含量正极材料及其制备方法 |
CN111883768A (zh) * | 2020-07-22 | 2020-11-03 | 合肥国轩高科动力能源有限公司 | 一种高镍正极材料及其制备方法和在锂离子电池中的应用 |
KR102220490B1 (ko) * | 2020-07-23 | 2021-02-24 | 주식회사 포스코 | 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 |
KR102356770B1 (ko) * | 2020-11-02 | 2022-02-07 | 주식회사 엘 앤 에프 | 양극 활물질용 신규 단일체 입자 |
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US20190372110A1 (en) | 2019-12-05 |
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