CN113875049A - 二次电池、其制备方法和含有该二次电池的装置 - Google Patents

二次电池、其制备方法和含有该二次电池的装置 Download PDF

Info

Publication number
CN113875049A
CN113875049A CN202080005630.1A CN202080005630A CN113875049A CN 113875049 A CN113875049 A CN 113875049A CN 202080005630 A CN202080005630 A CN 202080005630A CN 113875049 A CN113875049 A CN 113875049A
Authority
CN
China
Prior art keywords
negative electrode
active material
silicon
secondary battery
film layer
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.)
Pending
Application number
CN202080005630.1A
Other languages
English (en)
Inventor
王育文
武宝珍
叶永煌
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.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology 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 Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Publication of CN113875049A publication Critical patent/CN113875049A/zh
Pending legal-status Critical Current

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
    • H01M4/58—Selection 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
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0404—Methods of deposition of the material by coating on electrode collectors
    • 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
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/134—Electrodes based on metals, Si or alloys
    • 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
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/139—Processes of manufacture
    • H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
    • 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
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • 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
    • 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
    • H01M2004/027—Negative electrodes
    • 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
    • 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
    • H01M4/364—Composites as mixtures
    • 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
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

本申请公开了一种二次电池、其制备方法和含有该二次电池的装置，所述二次电池包括负极极片，所述负极极片包括负极集流体及负极膜片；所述负极膜片包括第一负极膜层和第二负极膜层；所述第一负极膜层设置于所述负极集流体至少一个表面上且包括第一负极活性材料，所述第一负极活性材料包括石墨，且所述第一负极活性材料包括或不包括硅基材料；所述第二负极膜层设置于所述第一负极膜层的表面上且包括第二负极活性材料，所述第二负极活性材料包括人造石墨和硅基材料；所述硅基材料在所述第一负极活性材料中的质量占比记为W1，所述硅基材料在所述第二负极活性材料中的质量占比记为W2，所述负极极片满足：W2≥W1。

Description

PCT国内申请，说明书已公开。

Claims (17)

  1. PCT国内申请，权利要求书已公开。
CN202080005630.1A 2020-04-30 2020-04-30 二次电池、其制备方法和含有该二次电池的装置 Pending CN113875049A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/088464 WO2021217639A1 (zh) 2020-04-30 2020-04-30 二次电池、其制备方法和含有该二次电池的装置

Publications (1)

Publication Number Publication Date
CN113875049A true CN113875049A (zh) 2021-12-31

Family

ID=78373139

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080005630.1A Pending CN113875049A (zh) 2020-04-30 2020-04-30 二次电池、其制备方法和含有该二次电池的装置

Country Status (9)

Country Link
US (1) US20220102708A1 (zh)
EP (1) EP3968407B1 (zh)
JP (1) JP2023505132A (zh)
KR (1) KR20220093346A (zh)
CN (1) CN113875049A (zh)
ES (1) ES2963611T3 (zh)
HU (1) HUE064506T2 (zh)
PL (1) PL3968407T3 (zh)
WO (1) WO2021217639A1 (zh)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114649500A (zh) * 2022-04-01 2022-06-21 宁德新能源科技有限公司 负极极片、电化学装置及电子设备
CN114975860A (zh) * 2022-06-28 2022-08-30 重庆冠宇电池有限公司 一种负极片和电池
CN116364860A (zh) * 2023-06-01 2023-06-30 宁德时代新能源科技股份有限公司 二次电池及其制备方法和用电装置
WO2023134486A1 (zh) * 2022-01-13 2023-07-20 宁德时代新能源科技股份有限公司 负极极片及其制备方法、二次电池、电池模块、电池包和用电装置
CN116830282A (zh) * 2022-09-30 2023-09-29 宁德时代新能源科技股份有限公司 负极极片及其制备方法、二次电池和用电装置
CN116888751A (zh) * 2023-01-03 2023-10-13 宁德时代新能源科技股份有限公司 负极极片以及包含其的电极组件、电池单体、电池和用电装置
US11811055B2 (en) 2018-10-02 2023-11-07 Lg Energy Solution, Ltd. Multi-layered anode containing silicon-based compound and lithium secondary battery including the same
WO2023240612A1 (zh) * 2022-06-17 2023-12-21 宁德时代新能源科技股份有限公司 负极极片、二次电池、电池模块、电池包和用电装置
US11936037B2 (en) 2018-10-02 2024-03-19 Lg Energy Solution, Ltd. Multi-layered anode containing silicon-based compound and lithium secondary battery including the same
CN118117036A (zh) * 2024-04-30 2024-05-31 宁德时代新能源科技股份有限公司 一种电池单体、电池、用电装置及电芯

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102651696B1 (ko) * 2020-10-19 2024-03-26 에스케이온 주식회사 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지
WO2023122890A1 (zh) * 2021-12-27 2023-07-06 宁德时代新能源科技股份有限公司 二次电池以及包含其的用电装置
EP4261913A1 (en) * 2022-04-14 2023-10-18 Cellforce Group GmbH Multilayer electrode, a method for manufacturing an electrode and electrochemical storage device
WO2024020927A1 (zh) * 2022-07-28 2024-02-01 宁德时代新能源科技股份有限公司 二次电池及其制备方法、用电装置
CN117941089A (zh) * 2022-07-28 2024-04-26 宁德时代新能源科技股份有限公司 二次电池、其制备方法及含有该二次电池的装置
CN115275105B (zh) * 2022-08-25 2024-02-13 江苏正力新能电池技术有限公司 一种硅基负极极片、二次电池和用电装置
WO2024055162A1 (zh) * 2022-09-13 2024-03-21 宁德时代新能源科技股份有限公司 负极极片、用于制备负极极片的方法、二次电池和用电装置
WO2024065402A1 (zh) * 2022-09-29 2024-04-04 宁德时代新能源科技股份有限公司 一种二次电池及用电装置
CN115911259A (zh) * 2022-11-21 2023-04-04 江苏正力新能电池技术有限公司 一种电池极组及二次电池
WO2024108588A1 (zh) * 2022-11-25 2024-05-30 宁德时代新能源科技股份有限公司 二次电池及用电装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102956877A (zh) * 2011-08-15 2013-03-06 三星Sdi株式会社 负极活性物质、制备负极的方法以及可再充电锂电池
CN106797020A (zh) * 2014-09-05 2017-05-31 三洋电机株式会社 非水电解质二次电池用负极和非水电解质二次电池
KR20170109293A (ko) * 2016-03-21 2017-09-29 주식회사 엘지화학 음극 및 이를 포함하는 이차 전지
CN110148708A (zh) * 2019-05-30 2019-08-20 珠海冠宇电池有限公司 一种负极片及锂离子电池

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5143437B2 (ja) * 2007-01-30 2013-02-13 日本カーボン株式会社 リチウムイオン二次電池用負極活物質の製造方法、負極活物質及び負極
JP2014067587A (ja) * 2012-09-26 2014-04-17 Sanyo Electric Co Ltd 非水電解質二次電池
GB2507535B (en) * 2012-11-02 2015-07-15 Nexeon Ltd Multilayer electrode
JP6055729B2 (ja) * 2013-07-10 2016-12-27 株式会社豊田自動織機 リチウムイオン二次電池用負極及びリチウムイオン二次電池
JP6302322B2 (ja) * 2013-09-26 2018-03-28 積水化学工業株式会社 リチウムイオン二次電池
US10270086B2 (en) * 2014-01-31 2019-04-23 Sanyo Electric Co., Ltd. Nonaqueous-electrolyte secondary-battery negative electrode
JP2016181487A (ja) * 2015-03-25 2016-10-13 株式会社東芝 非水電解質電池用電極、非水電解質次電池および電池パック
JP6660581B2 (ja) * 2015-09-24 2020-03-11 株式会社Ｇｓユアサ 非水電解質二次電池用電極、及び非水電解質二次電池
KR101986626B1 (ko) * 2016-08-26 2019-09-30 주식회사 엘지화학 리튬 이차전지용 음극 및 이를 포함하는 리튬 이차전지
EP3654423B1 (en) * 2017-08-18 2021-11-24 LG Chem, Ltd. Negative electrode for lithium secondary battery and lithium secondary battery comprising same
WO2020071814A1 (ko) * 2018-10-02 2020-04-09 주식회사 엘지화학 실리콘계 화합물을 포함하는 다층 구조 음극 및 이를 포함하는 리튬 이차전지
KR20200038168A (ko) * 2018-10-02 2020-04-10 주식회사 엘지화학 실리콘계 화합물을 포함하는 다층 구조 음극 및 이를 포함하는 리튬 이차전지
CN109616614B (zh) * 2018-12-14 2020-12-11 宁德新能源科技有限公司 负极极片和使用其的电化学装置和电子装置
CN111261834A (zh) * 2020-03-25 2020-06-09 宁德新能源科技有限公司 负极极片、电化学装置和电子装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102956877A (zh) * 2011-08-15 2013-03-06 三星Sdi株式会社 负极活性物质、制备负极的方法以及可再充电锂电池
CN106797020A (zh) * 2014-09-05 2017-05-31 三洋电机株式会社 非水电解质二次电池用负极和非水电解质二次电池
KR20170109293A (ko) * 2016-03-21 2017-09-29 주식회사 엘지화학 음극 및 이를 포함하는 이차 전지
CN110148708A (zh) * 2019-05-30 2019-08-20 珠海冠宇电池有限公司 一种负极片及锂离子电池

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11811055B2 (en) 2018-10-02 2023-11-07 Lg Energy Solution, Ltd. Multi-layered anode containing silicon-based compound and lithium secondary battery including the same
US11936037B2 (en) 2018-10-02 2024-03-19 Lg Energy Solution, Ltd. Multi-layered anode containing silicon-based compound and lithium secondary battery including the same
WO2023134486A1 (zh) * 2022-01-13 2023-07-20 宁德时代新能源科技股份有限公司 负极极片及其制备方法、二次电池、电池模块、电池包和用电装置
CN114649500A (zh) * 2022-04-01 2022-06-21 宁德新能源科技有限公司 负极极片、电化学装置及电子设备
WO2023240612A1 (zh) * 2022-06-17 2023-12-21 宁德时代新能源科技股份有限公司 负极极片、二次电池、电池模块、电池包和用电装置
CN114975860A (zh) * 2022-06-28 2022-08-30 重庆冠宇电池有限公司 一种负极片和电池
CN114975860B (zh) * 2022-06-28 2024-05-07 重庆冠宇电池有限公司 一种负极片和电池
CN116830282A (zh) * 2022-09-30 2023-09-29 宁德时代新能源科技股份有限公司 负极极片及其制备方法、二次电池和用电装置
CN116888751A (zh) * 2023-01-03 2023-10-13 宁德时代新能源科技股份有限公司 负极极片以及包含其的电极组件、电池单体、电池和用电装置
CN116364860A (zh) * 2023-06-01 2023-06-30 宁德时代新能源科技股份有限公司 二次电池及其制备方法和用电装置
CN116364860B (zh) * 2023-06-01 2023-11-10 宁德时代新能源科技股份有限公司 二次电池及其制备方法和用电装置
CN118117036A (zh) * 2024-04-30 2024-05-31 宁德时代新能源科技股份有限公司 一种电池单体、电池、用电装置及电芯

Also Published As

Publication number Publication date
EP3968407B1 (en) 2023-10-25
JP2023505132A (ja) 2023-02-08
EP3968407A1 (en) 2022-03-16
EP3968407A4 (en) 2022-11-23
US20220102708A1 (en) 2022-03-31
ES2963611T3 (es) 2024-04-01
KR20220093346A (ko) 2022-07-05
WO2021217639A1 (zh) 2021-11-04
PL3968407T3 (pl) 2024-02-26
HUE064506T2 (hu) 2024-03-28

Similar Documents

Publication Publication Date Title
CN113875049A (zh) 二次电池、其制备方法和含有该二次电池的装置
CN113875051B (zh) 二次电池、其制备方法及含有该二次电池的装置
CN113875046B (zh) 二次电池、其制备方法及含有该二次电池的装置
CN113748549B (zh) 二次电池和含有该二次电池的装置
CN113875050B (zh) 二次电池、其制备方法及含有该二次电池的装置
CN114788044A (zh) 二次电池、其制备方法、及其相关的电池模块、电池包和装置
CN115004418A (zh) 二次电池、其制备方法及含有该二次电池的电池模块、电池包和装置
CN113875047B (zh) 二次电池及其制备方法、含有该二次电池的装置
CN113748550A (zh) 二次电池和含有该二次电池的装置
CN117941089A (zh) 二次电池、其制备方法及含有该二次电池的装置
CN114730860B (zh) 二次电池和包含该二次电池的装置
CN113875048B (zh) 二次电池、其制备方法及含有该二次电池的装置
CN113767498A (zh) 二次电池及含有该二次电池的装置
US12027695B2 (en) Secondary battery, process for preparing the same and apparatus containing the secondary battery
CN113966558B (zh) 一种二次电池、其制备方法及含有该二次电池的装置
US12034153B2 (en) Secondary battery, process for preparing the same and apparatus containing the secondary battery
KR20240093683A (ko) 이차 전지, 그 제조 방법 및 이차 전지를 포함하는 장치

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination