KR102759857B1 - 리튬 이온 배터리용 복합 캐소드 재료, 리튬 이온 배터리, 및 차량 - Google Patents

리튬 이온 배터리용 복합 캐소드 재료, 리튬 이온 배터리, 및 차량 Download PDF

Info

Publication number
KR102759857B1
KR102759857B1 KR1020217041167A KR20217041167A KR102759857B1 KR 102759857 B1 KR102759857 B1 KR 102759857B1 KR 1020217041167 A KR1020217041167 A KR 1020217041167A KR 20217041167 A KR20217041167 A KR 20217041167A KR 102759857 B1 KR102759857 B1 KR 102759857B1
Authority
KR
South Korea
Prior art keywords
cathode material
content
lithium
nickel
core
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.)
Active
Application number
KR1020217041167A
Other languages
English (en)
Korean (ko)
Other versions
KR20220009443A (ko
Inventor
이 판
룽 하오
나 천
샤오타오 위안
Original Assignee
비와이디 컴퍼니 리미티드
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 비와이디 컴퍼니 리미티드 filed Critical 비와이디 컴퍼니 리미티드
Publication of KR20220009443A publication Critical patent/KR20220009443A/ko
Application granted granted Critical
Publication of KR102759857B1 publication Critical patent/KR102759857B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/40—Complex oxides containing nickel and at least one other metal element
    • C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
    • C01G53/44—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese
    • C01G53/50—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2
    • C01G53/502—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2 containing lithium and cobalt
    • C01G53/504—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2 containing lithium and cobalt with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.5, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.5
    • C01G53/506—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2 containing lithium and cobalt with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.5, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.5 with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.8, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.8
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/36—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
    • 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
    • H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C01P2002/54—Solid solutions containing elements as dopants one element only
    • 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
KR1020217041167A 2019-05-28 2020-05-27 리튬 이온 배터리용 복합 캐소드 재료, 리튬 이온 배터리, 및 차량 Active KR102759857B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201910450988.4A CN112018335B (zh) 2019-05-28 2019-05-28 复合型锂离子电池正极材料及锂离子电池正极以及锂电池、电池模组、电池包和车
CN201910450988.4 2019-05-28
PCT/CN2020/092654 WO2020238968A1 (zh) 2019-05-28 2020-05-27 复合型锂离子电池正极材料及锂离子电池和车

Publications (2)

Publication Number Publication Date
KR20220009443A KR20220009443A (ko) 2022-01-24
KR102759857B1 true KR102759857B1 (ko) 2025-02-03

Family

ID=73500646

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217041167A Active KR102759857B1 (ko) 2019-05-28 2020-05-27 리튬 이온 배터리용 복합 캐소드 재료, 리튬 이온 배터리, 및 차량

Country Status (6)

Country Link
US (1) US12244004B2 (enExample)
EP (1) EP3965188A4 (enExample)
JP (1) JP7426414B2 (enExample)
KR (1) KR102759857B1 (enExample)
CN (1) CN112018335B (enExample)
WO (1) WO2020238968A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115053367B (zh) * 2020-02-21 2024-07-30 宁德新能源科技有限公司 正极材料和包含所述正极材料的电化学装置
CN112694139B (zh) * 2020-12-29 2022-12-06 福建常青新能源科技有限公司 单晶ncm三元正极材料前驱体的制备方法
KR20220135551A (ko) * 2021-03-30 2022-10-07 포스코홀딩스 주식회사 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지
JP2023021930A (ja) * 2021-07-30 2023-02-14 パシフィック インダストリアル デベロップメント コーポレイション 電池用高ニッケルリチウム化金属酸化物の製造方法
CN116636047B (zh) * 2021-09-14 2025-10-14 宁德时代新能源科技股份有限公司 高镍正极活性材料、其制备方法、包括其的锂离子电池、电池模块、电池包和用电装置
CN114188527A (zh) * 2021-11-26 2022-03-15 南通金通储能动力新材料有限公司 一种具有核壳结构的ncma正极材料及其制备方法
CN114430037B (zh) * 2022-04-06 2022-07-15 比亚迪股份有限公司 一种正极材料及其应用
KR20250002271A (ko) * 2022-04-21 2025-01-07 가부시키가이샤 한도오따이 에네루기 켄큐쇼 양극 활물질 및 이차 전지
CN114804234B (zh) * 2022-05-18 2024-06-07 宁夏中化锂电池材料有限公司 一种ncm/nca核壳结构三元前驱体材料及其制备方法
CN114792794A (zh) * 2022-05-28 2022-07-26 天津巴莫科技有限责任公司 核壳结构的层状高镍正极材料及其制备方法
CN115425188B (zh) * 2022-06-28 2026-02-13 北京当升材料科技股份有限公司 正极材料及其制备方法
CN115842117B (zh) * 2022-11-03 2025-10-14 欣旺达动力科技股份有限公司 正极材料及其制备方法、二次电池和用电设备
CN116565172A (zh) * 2023-05-31 2023-08-08 安徽得壹能源科技有限公司 一种长循环低阻抗正极材料及其制备方法和锂离子电池
CN117509756B (zh) * 2023-11-20 2024-07-16 金驰能源材料有限公司 一种富镍的铝掺杂镍钴锰三元前驱体及其制备方法
CN120565597A (zh) * 2024-02-29 2025-08-29 宁德时代新能源科技股份有限公司 正极活性材料、制备方法、正极极片、电池及用电设备
CN120901283B (zh) * 2025-10-10 2026-01-16 天府绛溪实验室 一种核壳材料、负极材料及其制备方法

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1167209A (ja) 1997-08-27 1999-03-09 Sanyo Electric Co Ltd リチウム二次電池
US7364793B2 (en) * 2004-09-24 2008-04-29 Lg Chem, Ltd. Powdered lithium transition metal oxide having doped interface layer and outer layer and method for preparation of the same
WO2010029745A1 (ja) 2008-09-10 2010-03-18 戸田工業株式会社 非水電解質二次電池用Ｌｉ－Ｎｉ複合酸化物粒子粉末及びその製造方法、並びに非水電解質二次電池
CN101997113A (zh) * 2009-08-17 2011-03-30 北京当升材料科技股份有限公司 一种锂离子电池用多层包覆结构的多元材料及其制备方法
EP2698351B1 (en) 2011-04-14 2017-12-27 Toda Kogyo Corp. Li-Ni COMPOSITE OXIDE PARTICLE POWDER AND PROCESS FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
KR101666879B1 (ko) 2012-08-14 2016-10-17 삼성에스디아이 주식회사 리튬 이차 전지용 양극 활물질, 리튬 이차 전지용 양극 활물질의 제조 방법 및 상기 양극 활물질을 포함하는 리튬 이차 전지
CN103500827B (zh) * 2013-10-11 2017-05-24 宁德新能源科技有限公司 锂离子电池及其多元正极材料、制备方法
CN103490060A (zh) * 2013-10-11 2014-01-01 宁德新能源科技有限公司 锂镍钴锰正极材料及其制备方法
CN104577096B (zh) 2013-10-17 2017-01-25 奇瑞汽车股份有限公司 一种锂离子电池正极材料及其制备方法、电池
KR20150095237A (ko) 2014-02-13 2015-08-21 김영미 보온병
JP2015204256A (ja) 2014-04-16 2015-11-16 トヨタ自動車株式会社 被覆正極活物質の製造方法
CN104347853B (zh) 2014-09-24 2017-04-12 秦皇岛中科远达电池材料有限公司 一种锰酸锂复合正极材料、其制备方法及锂离子电池
CN104409716A (zh) * 2014-10-30 2015-03-11 中国科学院过程工程研究所 一种具有浓度梯度的镍锂离子电池正极材料及其制备方法
CN105870402A (zh) 2015-01-22 2016-08-17 辅仁大学学校财团法人辅仁大学 金属梯度掺杂锂电池正极材料
JP6034413B2 (ja) 2015-01-29 2016-11-30 輔仁大學學校財團法人輔仁大學 リチウムイオン電池の金属勾配ドープ正極材料
EP3291340B1 (en) * 2015-04-30 2018-11-14 LG Chem, Ltd. Cathode active material for secondary battery, preparation method therefor, and secondary battery comprising same
KR101913906B1 (ko) 2015-06-17 2018-10-31 주식회사 엘지화학 이차전지용 양극활물질, 이의 제조방법 및 이를 포함하는 이차전지
KR102227305B1 (ko) * 2015-11-30 2021-03-15 주식회사 엘지화학 이차전지용 양극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차전지
KR102004457B1 (ko) * 2015-11-30 2019-07-29 주식회사 엘지화학 이차전지용 양극활물질 및 이를 포함하는 이차전지
EP3425703B1 (en) * 2016-03-04 2019-09-11 LG Chem, Ltd. Cathode active material for secondary battery, manufacturing method therefor, and secondary battery including same
KR102172154B1 (ko) * 2016-10-19 2020-10-30 주식회사 엘지화학 이차전지용 양극 및 이를 포함하는 이차전지
KR102081858B1 (ko) * 2016-12-02 2020-02-26 주식회사 엘지화학 이차전지용 양극활물질 전구체 및 이를 이용하여 제조한 이차전지용 양극활물질
CN106784798B (zh) * 2017-02-15 2020-01-14 中国科学院过程工程研究所 正极活性材料、制备方法及包含其的高性能正极浆料和全固态锂离子电池
KR20180128203A (ko) 2017-05-23 2018-12-03 현대모비스 주식회사 차량용 조명장치
CN107359346B (zh) * 2017-06-19 2019-07-26 荆门市格林美新材料有限公司 一种锂电池正极材料改性多元前驱体及制备方法
CN107482204A (zh) 2017-08-21 2017-12-15 中国科学院成都有机化学有限公司 一种金属固溶体修饰高镍三元正极材料及其制备方法
CN107585794B (zh) * 2017-09-13 2019-05-14 中南大学 三元正极材料及该材料和其前驱体的制备方法
CN107968202B (zh) * 2017-11-21 2020-12-25 宁波纳微新能源科技有限公司 一种含铝的镍钴锰核壳结构的正极材料及其制备方法
KR20190063862A (ko) 2017-11-30 2019-06-10 한국전자통신연구원 다중시점영상의 디스플레이 장치 및 방법
CN108298599B (zh) * 2018-01-23 2020-05-05 昶联金属材料应用制品(广州)有限公司 单晶高镍三元材料前驱体及制备方法，单晶高镍三元材料的制备方法
CN111056577B (zh) * 2018-10-16 2022-08-16 三星Sdi株式会社 基于镍的活性材料前体、其制备方法、基于镍的活性材料、和锂二次电池
KR102406774B1 (ko) * 2019-06-20 2022-06-10 한양대학교 산학협력단 이종원소가 도핑된 표면부를 갖는 양극활물질, 및 그 제조 방법
US11764355B2 (en) * 2020-01-22 2023-09-19 Uchicago Argonne, Llc Cathode active materials for secondary batteries

Also Published As

Publication number Publication date
EP3965188A1 (en) 2022-03-09
US20220255066A1 (en) 2022-08-11
KR20220009443A (ko) 2022-01-24
EP3965188A4 (en) 2022-07-20
CN112018335A (zh) 2020-12-01
JP2022534939A (ja) 2022-08-04
JP7426414B2 (ja) 2024-02-01
US12244004B2 (en) 2025-03-04
CN112018335B (zh) 2023-03-14
WO2020238968A1 (zh) 2020-12-03

Similar Documents

Publication Publication Date Title
US12244004B2 (en) Composite cathode material for lithium-ion battery, and vehicle
CN112151790B (zh) 高镍三元正极材料前驱体及其晶面可控生长的方法、三元正极材料及锂离子电池
CN111430689B (zh) 正极材料及其制备方法，正极、锂离子电池和车辆
KR101689212B1 (ko) 리튬 이차전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지
KR102720954B1 (ko) 무-코발트 층상 양극 재료 및 그 제조 방법, 리튬 이온 배터리
KR100738192B1 (ko) 코아·쉘 다층구조를 갖는 리튬이차전지용 양극 활물질과이를 사용한 리튬이차전지 및 그 제조 방법
CN115529825A (zh) 单粒子形式的富镍锂复合过渡金属氧化物正极活性材料的固相合成方法、由所述方法形成的单粒子形式的富镍锂复合过渡金属氧化物正极活性材料、包含其的正极和锂二次电池
CN116375111B (zh) 一种钠离子电池及其正极材料与前驱体和制备方法
KR101439638B1 (ko) 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지
CN102569773B (zh) 用于锂离子二次电池的正极材料及其制备方法
CN104733714B (zh) 锂离子电池正极材料的改性方法
WO2024119936A1 (zh) 一种正极活性材料及其应用
CN115188941A (zh) 多元正极材料及其制备方法和锂离子电池
CN118414723A (zh) 改性正极材料、其制备方法及锂离子电池
CN104953109B (zh) 一种提升耐高温性能的核壳结构锰酸锂及其合成方法
JP2025129070A (ja) リチウム二次電池用正極活物質、その製造方法、及びこれを含むリチウム二次電池
CN110459764B (zh) 一种锂离子电池正极材料及其制备方法与应用
CN111170369A (zh) 一种锰酸锂或镍锰酸锂材料及其制备方法和应用
CN114388783A (zh) 一种高镍正极材料、其制备方法及其应用
CN116623295A (zh) 一种钽与锆共掺杂无钴单晶富锂锰基正极材料及其制备方法
CN115763751A (zh) 一种三元正极活性材料及其制备方法和应用
KR101448356B1 (ko) 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지
JP7531689B2 (ja) 正極活物質の製造方法
CN116247192A (zh) 一种具有核壳双包覆结构的三元正极材料及其制备方法
CN112909245B (zh) 一种锂离子电池梯度结构正极材料及其制备方法与应用

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20211215

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination
PG1501 Laying open of application
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20240628

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20241025

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20250121

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20250122

End annual number: 3

Start annual number: 1

PG1601 Publication of registration