JP7829494B2 - 正極活物質の作製方法 - Google Patents

正極活物質の作製方法

Info

Publication number
JP7829494B2
JP7829494B2 JP2022558369A JP2022558369A JP7829494B2 JP 7829494 B2 JP7829494 B2 JP 7829494B2 JP 2022558369 A JP2022558369 A JP 2022558369A JP 2022558369 A JP2022558369 A JP 2022558369A JP 7829494 B2 JP7829494 B2 JP 7829494B2
Authority
JP
Japan
Prior art keywords
positive electrode
electrode active
active material
lithium
source
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
JP2022558369A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022090844A5 (ja
JPWO2022090844A1 (https=
Inventor
舜平 山崎
哲弥 掛端
修平 吉富
惇史 川月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Semiconductor Energy Laboratory Co Ltd
Original Assignee
Semiconductor Energy Laboratory Co Ltd
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 Semiconductor Energy Laboratory Co Ltd filed Critical Semiconductor Energy Laboratory Co Ltd
Publication of JPWO2022090844A1 publication Critical patent/JPWO2022090844A1/ja
Publication of JPWO2022090844A5 publication Critical patent/JPWO2022090844A5/ja
Application granted granted Critical
Publication of JP7829494B2 publication Critical patent/JP7829494B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/45Phosphates containing plural metal, or metal and ammonium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/009Compounds containing iron, with or without oxygen or hydrogen, and containing two or more other elements
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00Compounds of cobalt
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00Compounds of cobalt
    • C01G51/40Complex oxides containing cobalt and at least one other metal element
    • C01G51/42Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00Compounds of nickel
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00Compounds of nickel
    • C01G53/40Complex oxides containing nickel and at least one other metal element
    • C01G53/66Complex oxides containing nickel and at least one other metal element containing alkaline earth metals, e.g. SrNiO3 or SrNiO2
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22Electrodes
    • H01G11/30Electrodes characterised by their material
    • H01G11/46Metal oxides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/04Processes of manufacture in general
    • H01M4/0471Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139Processes of manufacture
    • H01M4/1391Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/362Composites
    • H01M4/364Composites as mixtures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/362Composites
    • H01M4/366Composites as layered products
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/483Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505Selection 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525Selection 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/58Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/58Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/5825Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/80Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/85Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by XPS, EDX or EDAX data
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/04Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/40Electric properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028Positive electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Electrode And Active Subsutance (AREA)
JP2022558369A 2020-10-26 2021-10-13 正極活物質の作製方法 Active JP7829494B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2020179194 2020-10-26
JP2020179194 2020-10-26
JP2020186852 2020-11-09
JP2020186852 2020-11-09
JP2020191054 2020-11-17
JP2020191054 2020-11-17
PCT/IB2021/059382 WO2022090844A1 (ja) 2020-10-26 2021-10-13 正極活物質の作製方法、正極、二次電池、電子機器、蓄電システムおよび車両

Publications (3)

Publication Number Publication Date
JPWO2022090844A1 JPWO2022090844A1 (https=) 2022-05-05
JPWO2022090844A5 JPWO2022090844A5 (ja) 2024-10-22
JP7829494B2 true JP7829494B2 (ja) 2026-03-13

Family

ID=81383656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022558369A Active JP7829494B2 (ja) 2020-10-26 2021-10-13 正極活物質の作製方法

Country Status (5)

Country Link
US (1) US20230387394A1 (https=)
JP (1) JP7829494B2 (https=)
KR (1) KR20230097054A (https=)
CN (1) CN116234776A (https=)
WO (1) WO2022090844A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023047234A1 (https=) * 2021-09-24 2023-03-30
US20230187608A1 (en) * 2021-12-13 2023-06-15 Medtronic, Inc. Cathode and method of forming the same
WO2024023625A1 (ja) * 2022-07-29 2024-02-01 株式会社半導体エネルギー研究所 電池
US20260112638A1 (en) * 2022-10-04 2026-04-23 Semiconductor Energy Laboratory Co., Ltd. Secondary battery
US20240234810A9 (en) * 2022-10-20 2024-07-11 Medtronic, Inc. Cathode and method of forming the same
CN115432751A (zh) * 2022-10-25 2022-12-06 格林美股份有限公司 一种改性正极材料及其制备方法和应用
WO2024095112A1 (ja) * 2022-11-03 2024-05-10 株式会社半導体エネルギー研究所 正極、二次電池、電子機器、蓄電システムおよび車両
CN117163930A (zh) * 2023-02-14 2023-12-05 山东华劲电池材料科技有限公司 湿法修复磷酸铁锂正极材料的方法
CN119673952A (zh) * 2023-09-20 2025-03-21 蔚来电池科技(安徽)有限公司 正极极片、二次电池和装置
CN117964003B (zh) * 2024-03-28 2024-07-16 四川新能源汽车创新中心有限公司 一种高镍三元前驱体材料、正极材料及制备方法和应用
WO2026084471A1 (ko) * 2024-10-16 2026-04-23 주식회사 엘지에너지솔루션 리튬 이차전지
CN119153686B (zh) * 2024-11-18 2025-02-14 中创新航科技集团股份有限公司 二次电池和用电装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018533174A (ja) 2015-09-28 2018-11-08 深▲セン▼市貝特瑞新能源材料股▲ふん▼有限公司 改質した超疎水性材料により被覆されたリチウムイオン電池用高ニッケル正極材料及びその調製方法
WO2020026078A1 (ja) 2018-08-03 2020-02-06 株式会社半導体エネルギー研究所 正極活物質および正極活物質の作製方法
JP2020021741A (ja) 2019-10-18 2020-02-06 住友化学株式会社 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
CN111384388A (zh) 2018-12-29 2020-07-07 安普瑞斯(南京)有限公司 一种高能量密度锂离子电池
US20200274160A1 (en) 2018-03-21 2020-08-27 Lionano (Zhejiang) Inc. Nickel-cobalt-aluminium ternary lithium ion battery cathode material, preparation method and application thereof, and lithium ion battery

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180145317A1 (en) 2016-11-18 2018-05-24 Semiconductor Energy Laboratory Co., Ltd. Positive electrode active material, method for manufacturing positive electrode active material, and secondary battery
KR102685436B1 (ko) 2017-05-03 2024-07-15 가부시키가이샤 한도오따이 에네루기 켄큐쇼 양극 활물질 입자의 제작 방법 및 이차 전지
JP7397792B2 (ja) * 2018-06-22 2023-12-13 株式会社半導体エネルギー研究所 正極活物質、正極、および二次電池、ならびに正極の作製方法
US20220059830A1 (en) * 2018-09-28 2022-02-24 Semiconductor Energy Laboratory Co., Ltd. Positive electrode material for lithium-ion secondary battery, secondary battery, electronic device, vehicle, and method of manufacturing positive electrode material for lithium-ion secondary battery
US20220029159A1 (en) 2018-12-13 2022-01-27 Semiconductor Energy Laboratory Co., Ltd. Positive electrode active material, method for manufacturing the same, and secondary battery
KR102781559B1 (ko) * 2019-03-15 2025-03-17 주식회사 엘지에너지솔루션 리튬 이차전지용 양극 및 이를 포함하는 리튬 이차전지
KR20210143215A (ko) * 2019-03-29 2021-11-26 가부시키가이샤 한도오따이 에네루기 켄큐쇼 양극 활물질 및 이차 전지
US12552681B2 (en) * 2019-04-05 2026-02-17 Semiconductor Energy Laboratory Co., Ltd. Method for forming positive electrode active material, method for manufacturing secondary battery, and secondary battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018533174A (ja) 2015-09-28 2018-11-08 深▲セン▼市貝特瑞新能源材料股▲ふん▼有限公司 改質した超疎水性材料により被覆されたリチウムイオン電池用高ニッケル正極材料及びその調製方法
US20200274160A1 (en) 2018-03-21 2020-08-27 Lionano (Zhejiang) Inc. Nickel-cobalt-aluminium ternary lithium ion battery cathode material, preparation method and application thereof, and lithium ion battery
WO2020026078A1 (ja) 2018-08-03 2020-02-06 株式会社半導体エネルギー研究所 正極活物質および正極活物質の作製方法
CN111384388A (zh) 2018-12-29 2020-07-07 安普瑞斯(南京)有限公司 一种高能量密度锂离子电池
JP2020021741A (ja) 2019-10-18 2020-02-06 住友化学株式会社 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

Also Published As

Publication number Publication date
KR20230097054A (ko) 2023-06-30
JPWO2022090844A1 (https=) 2022-05-05
WO2022090844A1 (ja) 2022-05-05
CN116234776A (zh) 2023-06-06
US20230387394A1 (en) 2023-11-30

Similar Documents

Publication Publication Date Title
JP7829494B2 (ja) 正極活物質の作製方法
JP7824942B2 (ja) 電池、電子機器、蓄電システムおよび移動体
JP7638634B2 (ja) 二次電池
JP2025138847A (ja) リチウムイオン二次電池
WO2022034414A1 (ja) 二次電池、電子機器、車両、及び正極活物質の作製方法
JP2026069519A (ja) 二次電池
JP2022045353A (ja) 二次電池の作製方法、および二次電池
JP2025188124A (ja) リチウムイオン二次電池
JP2025164786A (ja) 二次電池の作製方法
JP7850073B2 (ja) 二次電池、電子機器および車両
WO2021245562A1 (ja) 正極活物質、正極活物質層、二次電池、電子機器、及び車両
JP7834647B2 (ja) 正極活物質の作製方法
WO2022038451A1 (ja) 正極活物質の作製方法、および二次電池の作製方法
JP2022045263A (ja) 正極活物質、二次電池、二次電池の作製方法、電子機器、及び車両
JP7837868B2 (ja) 二次電池および二次電池の作製方法
JP7757387B2 (ja) 蓄電装置管理システム
WO2024246719A1 (ja) 二次電池、電子機器及び車両
WO2022167885A1 (ja) 正極活物質の製造方法、二次電池および車両
KR20240011717A (ko) 양극 활물질의 제작 방법, 양극, 리튬 이온 이차 전지, 이동체, 축전 시스템, 및 전자 기기
WO2025224596A1 (ja) 正極活物質の作製方法
WO2024170994A1 (ja) 正極活物質、リチウムイオン二次電池、電子機器、車両および複合酸化物の作製方法
CN116685557A (zh) 正极、正极的制造方法、二次电池、电子设备、蓄电系统以及车辆
WO2023031729A1 (ja) 正極および正極の作製方法
WO2024201266A1 (ja) リチウムイオン二次電池
WO2024095112A1 (ja) 正極、二次電池、電子機器、蓄電システムおよび車両

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20241011

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20241011

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250805

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20251003

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20260203

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260303

R150 Certificate of patent or registration of utility model

Ref document number: 7829494

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150