CN114788044A - 二次电池、其制备方法、及其相关的电池模块、电池包和装置 - Google Patents

二次电池、其制备方法、及其相关的电池模块、电池包和装置 Download PDF

Info

Publication number
CN114788044A
CN114788044A CN202080084914.4A CN202080084914A CN114788044A CN 114788044 A CN114788044 A CN 114788044A CN 202080084914 A CN202080084914 A CN 202080084914A CN 114788044 A CN114788044 A CN 114788044A
Authority
CN
China
Prior art keywords
negative electrode
active material
film layer
equal
electrode film
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
CN202080084914.4A
Other languages
English (en)
Inventor
李二岭
康蒙
邓柏炟
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 CN114788044A publication Critical patent/CN114788044A/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
    • H01M4/13—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
    • H01M4/36—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
    • 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
    • H01M4/139—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
    • 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
    • H01M4/58—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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H01M4/623—Binders being polymers fluorinated 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular 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
    • 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
    • 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

Abstract

一种二次电池(5)、其制备方法、以及含有该电池(5)的装置。所述二次电池(5)包括负极极片(10)，所述负极极片(10)为多层结构，且所述多层结构依次包括：负极集流体(101)、底涂层(102)及负极膜层；其中，所述负极膜层包括第一负极膜层(103)和第二负极膜层(104)，且所述第一负极膜层(103)位于所述底涂层(102)和所述第二负极膜层(104)之间；所述第一负极膜层(103)包括第一负极活性材料，所述第一负极活性材料包括第一人造石墨，所述第一人造石墨中的至少一部分颗粒为二次颗粒，且所述二次颗粒在所述第一负极活性材料的颗粒总数中的数量占比A满足：A≥50％。该二次电池(5)兼具良好的快速充电性能和长循环寿命等特点。

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。
CN202080084914.4A 2020-10-15 2020-10-15 二次电池、其制备方法、及其相关的电池模块、电池包和装置 Pending CN114788044A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/121264 WO2022077371A1 (zh) 2020-10-15 2020-10-15 二次电池、其制备方法、及其相关的电池模块、电池包和装置

Publications (1)

Publication Number Publication Date
CN114788044A true CN114788044A (zh) 2022-07-22

Family

ID=81208698

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080084914.4A Pending CN114788044A (zh) 2020-10-15 2020-10-15 二次电池、其制备方法、及其相关的电池模块、电池包和装置

Country Status (6)

Country Link
US (1) US11631852B2 (zh)
EP (1) EP4064385A4 (zh)
JP (1) JP7412574B2 (zh)
KR (1) KR102622786B1 (zh)
CN (1) CN114788044A (zh)
WO (1) WO2022077371A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115117359A (zh) * 2022-08-30 2022-09-27 宁德时代新能源科技股份有限公司 粘结剂、制备方法、正极极片、二次电池及用电装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN116207433B (zh) * 2023-05-05 2023-07-14 广汽埃安新能源汽车股份有限公司 电池单体、动力电池包及用电设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104126242A (zh) * 2013-01-25 2014-10-29 株式会社Lg化学 锂二次电池用负极及包含该负极的锂二次电池
CN108701816A (zh) * 2016-09-29 2018-10-23 株式会社Lg化学 包括天然石墨和人造石墨的多层负极以及包括该多层负极的锂二次电池
CN111162275A (zh) * 2020-01-02 2020-05-15 宁德新能源科技有限公司 一种负极和包含该负极的电化学装置
CN111540883A (zh) * 2020-05-26 2020-08-14 苏州凌威新能源科技有限公司 一种负极片及储能装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101174685A (zh) 2007-10-26 2008-05-07 中南大学 一种锂离子电池正极或负极极片及其涂布方法
JP2013149403A (ja) * 2012-01-18 2013-08-01 Hitachi Ltd リチウムイオン二次電池負極、リチウムイオン二次電池負極を用いたリチウムイオン二次電池、および、それらの製造方法
US9478366B2 (en) * 2012-08-29 2016-10-25 Showa Denka K.K. Electric storage device and method for producing the same
WO2015037451A1 (ja) * 2013-09-12 2015-03-19 日本電気株式会社 リチウムイオン二次電池
CN108300056A (zh) * 2017-08-02 2018-07-20 天津市捷威动力工业有限公司 一种锂离子二次电池负极极片用底涂涂层
CN109390588A (zh) 2017-08-11 2019-02-26 宁德时代新能源科技股份有限公司 负极集流体、负极极片、锂离子二次电池及制备方法
CN112585787A (zh) * 2018-08-23 2021-03-30 日产化学株式会社 储能器件电极用薄膜形成用组合物、储能器件电极用复合集电体、储能器件电极和储能器件
CN111540886B (zh) * 2020-04-20 2023-09-12 欣旺达电动汽车电池有限公司 负极材料及其制备方法和多层电极

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104126242A (zh) * 2013-01-25 2014-10-29 株式会社Lg化学 锂二次电池用负极及包含该负极的锂二次电池
CN108701816A (zh) * 2016-09-29 2018-10-23 株式会社Lg化学 包括天然石墨和人造石墨的多层负极以及包括该多层负极的锂二次电池
CN111162275A (zh) * 2020-01-02 2020-05-15 宁德新能源科技有限公司 一种负极和包含该负极的电化学装置
CN111540883A (zh) * 2020-05-26 2020-08-14 苏州凌威新能源科技有限公司 一种负极片及储能装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115117359A (zh) * 2022-08-30 2022-09-27 宁德时代新能源科技股份有限公司 粘结剂、制备方法、正极极片、二次电池及用电装置

Also Published As

Publication number Publication date
US20220328831A1 (en) 2022-10-13
KR20220118511A (ko) 2022-08-25
EP4064385A4 (en) 2023-03-15
JP2023511881A (ja) 2023-03-23
WO2022077371A1 (zh) 2022-04-21
KR102622786B1 (ko) 2024-01-08
JP7412574B2 (ja) 2024-01-12
EP4064385A1 (en) 2022-09-28
US11631852B2 (en) 2023-04-18

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
CN113875046B (zh) 二次电池、其制备方法及含有该二次电池的装置
US11646416B2 (en) Secondary battery, process for preparing the same and apparatus containing the secondary battery
US20220123287A1 (en) Secondary battery, process for preparing the same and apparatus containing the secondary battery
US11631852B2 (en) Secondary battery, preparation method thereof, and battery module, battery pack, and apparatus associated therewith
CN113748549B (zh) 二次电池和含有该二次电池的装置
CN113748550B (zh) 二次电池和含有该二次电池的装置
CN113748539A (zh) 二次电池和包含二次电池的装置
US20220102788A1 (en) Secondary battery and apparatus containing the same
CN114730860A (zh) 二次电池和包含该二次电池的装置
CN113875037A (zh) 二次电池、其制备方法及含有该二次电池的装置
CN113875047B (zh) 二次电池及其制备方法、含有该二次电池的装置
CN113875048B (zh) 二次电池、其制备方法及含有该二次电池的装置
WO2024020964A1 (zh) 二次电池、其制备方法及含有该二次电池的装置
CN117529832A (zh) 二次电池和用电装置

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