CN114730875A - 负极活性材料、其制备方法、二次电池及包含二次电池的电池模块、电池包和装置 - Google Patents

负极活性材料、其制备方法、二次电池及包含二次电池的电池模块、电池包和装置 Download PDF

Info

Publication number
CN114730875A
CN114730875A CN202080081680.8A CN202080081680A CN114730875A CN 114730875 A CN114730875 A CN 114730875A CN 202080081680 A CN202080081680 A CN 202080081680A CN 114730875 A CN114730875 A CN 114730875A
Authority
CN
China
Prior art keywords
active material
negative electrode
equal
electrode active
less
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
CN202080081680.8A
Other languages
English (en)
Inventor
曾毓群
邓柏炟
康蒙
李二岭
何立兵
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 CN114730875A publication Critical patent/CN114730875A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/21—After-treatment
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/205—Preparation
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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
    • H01M4/139—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
    • H01M4/36—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
    • H01M4/362—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
    • H01M4/362—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
    • 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
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • 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
    • 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
    • C01P2004/90—Other morphology not specified above
    • 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
    • C01P2006/10—Solid density
    • 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
    • C01P2006/11—Powder tap density
    • 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
    • C01P2006/12—Surface area
    • 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
    • H01M2004/027—Negative 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

Abstract

一种负极活性材料、其制备方法、二次电池及包含二次电池的电池模块、电池包和装置。所述负极活性材料包括核和覆盖在所述核的至少一部分表面的包覆层，所述核包括人造石墨，所述包覆层包括无定形碳，所述负极活性材料的体积粒径分布Dv99≤24μm，且所述负极活性材料的平均体积粒径Dv50满足8μm≤Dv50≤15μm；其中，Dv99为所述负极活性材料累计体积分布百分数达到99％时所对应的粒径；Dv50为所述负极活性材料累计体积分布百分数达到50％时所对应的粒径。

Description

PCT国内申请，说明书已公开。

Claims (25)

  1. PCT国内申请，权利要求书已公开。
CN202080081680.8A 2020-10-15 2020-10-15 负极活性材料、其制备方法、二次电池及包含二次电池的电池模块、电池包和装置 Pending CN114730875A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/121268 WO2022077374A1 (zh) 2020-10-15 2020-10-15 负极活性材料、其制备方法、二次电池及包含二次电池的电池模块、电池包和装置

Publications (1)

Publication Number Publication Date
CN114730875A true CN114730875A (zh) 2022-07-08

Family

ID=81208709

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080081680.8A Pending CN114730875A (zh) 2020-10-15 2020-10-15 负极活性材料、其制备方法、二次电池及包含二次电池的电池模块、电池包和装置

Country Status (6)

Country Link
US (2) US20220416244A1 (zh)
EP (1) EP4071860A4 (zh)
JP (1) JP2023512011A (zh)
KR (1) KR20220122714A (zh)
CN (1) CN114730875A (zh)
WO (1) WO2022077374A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115548424B (zh) * 2022-11-25 2023-08-01 宁德新能源科技有限公司 一种电化学装置和电子装置
CN116525979B (zh) * 2023-07-03 2023-09-22 宁德时代新能源科技股份有限公司 电池单体及其制备方法、制备装置、电池和用电装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102227020A (zh) * 2011-05-20 2011-10-26 田东 一种用于锂离子电池改性石墨负极材料的制备方法
CN108155351A (zh) * 2016-12-06 2018-06-12 宁德时代新能源科技股份有限公司 锂离子电池及其负极材料
KR20180070302A (ko) * 2016-12-16 2018-06-26 주식회사 포스코 리튬 이차 전지용 음극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지
CN109841831A (zh) * 2019-03-21 2019-06-04 宁德新能源科技有限公司 负极材料及包含该负极材料的负极及电化学装置
CN110767888A (zh) * 2019-10-28 2020-02-07 腾冲鸿鑫新型材料有限公司 一种锂电池负极材料及其制备方法
CN111554898A (zh) * 2020-05-11 2020-08-18 珠海冠宇电池股份有限公司 一种负极材料及其制备方法和应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101641750B1 (ko) * 2009-03-27 2016-07-21 미쓰비시 가가꾸 가부시키가이샤 비수 전해액 2 차 전지용 부극 재료 및 이것을 사용한 비수 전해액 2 차 전지
JP2012216532A (ja) * 2011-03-29 2012-11-08 Mitsubishi Chemicals Corp 非水系二次電池用負極材料、これを用いた負極及び非水系二次電池
KR101708360B1 (ko) * 2011-10-05 2017-02-21 삼성에스디아이 주식회사 음극 활물질 및 이를 채용한 리튬 전지
EP3156367B1 (en) * 2014-06-13 2024-02-14 LG Energy Solution, Ltd. Negative electrode active material and method for preparing same
US10714751B2 (en) * 2015-09-30 2020-07-14 Envision Aesc Energy Devices, Ltd. Negative electrode for lithium ion secondary battery and lithium ion secondary battery

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102227020A (zh) * 2011-05-20 2011-10-26 田东 一种用于锂离子电池改性石墨负极材料的制备方法
CN108155351A (zh) * 2016-12-06 2018-06-12 宁德时代新能源科技股份有限公司 锂离子电池及其负极材料
KR20180070302A (ko) * 2016-12-16 2018-06-26 주식회사 포스코 리튬 이차 전지용 음극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지
CN109841831A (zh) * 2019-03-21 2019-06-04 宁德新能源科技有限公司 负极材料及包含该负极材料的负极及电化学装置
CN110767888A (zh) * 2019-10-28 2020-02-07 腾冲鸿鑫新型材料有限公司 一种锂电池负极材料及其制备方法
CN111554898A (zh) * 2020-05-11 2020-08-18 珠海冠宇电池股份有限公司 一种负极材料及其制备方法和应用

Also Published As

Publication number Publication date
EP4071860A1 (en) 2022-10-12
US20230369591A1 (en) 2023-11-16
EP4071860A4 (en) 2023-05-03
WO2022077374A1 (zh) 2022-04-21
KR20220122714A (ko) 2022-09-02
US20220416244A1 (en) 2022-12-29
JP2023512011A (ja) 2023-03-23

Similar Documents

Publication Publication Date Title
WO2020135767A1 (zh) 正极活性材料、正极极片、电化学储能装置及装置
WO2021108983A1 (zh) 二次电池、装置、人造石墨及制备方法
WO2021108982A1 (zh) 人造石墨、二次电池、制备方法及装置
CN113207313B (zh) 二次电池、装置、人造石墨及制备方法
CN114747042A (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
JP7461476B2 (ja) 負極活性材料、その製造方法、二次電池及び二次電池を含む装置
US20230369591A1 (en) Negative-electrode active material and preparation method thereof, secondary battery, and battery module, battery pack, and apparatus containing such secondary battery
CN115004418B (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
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
US20220102700A1 (en) Secondary battery and battery module, battery pack and apparatus containing the same
CN117063306A (zh) 二次电池及用电装置
JP7406638B2 (ja) 負極シート及びその製造方法、二次電池、電池モジュール、電池パック並びに装置
WO2021217620A1 (zh) 负极活性材料及其制备方法、二次电池和包含二次电池的装置
CN116806376A (zh) 快充型负极活性材料及其制备方法、负极极片、二次电池及用电装置
CN115838170A (zh) 改性石墨、制备方法以及包含该改性石墨的二次电池和用电装置
CN114464804A (zh) 一种负极材料及含有该负极材料的锂离子电池
CN113207316B (zh) 人造石墨、二次电池、制备方法及装置
EP4207372A1 (en) Secondary battery and electric device
CN115810724A (zh) 复合石墨材料及其制备方法、负极极片、二次电池
CN115810741A (zh) 负极活性材料、其制备方法及其相关的二次电池和装置
CN115842111A (zh) 负极活性材料、包含其的二次电池及用电装置

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