CN113875047A - 二次电池及其制备方法、含有该二次电池的装置 - Google Patents

二次电池及其制备方法、含有该二次电池的装置 Download PDF

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CN113875047A
CN113875047A CN202080006114.0A CN202080006114A CN113875047A CN 113875047 A CN113875047 A CN 113875047A CN 202080006114 A CN202080006114 A CN 202080006114A CN 113875047 A CN113875047 A CN 113875047A
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active material
negative electrode
film layer
negative
secondary battery
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CN202080006114.0A
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CN113875047B (zh
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康蒙
王家政
董晓斌
何立兵
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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    • 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
    • H01M4/13—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
    • 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
    • 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
    • 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
    • 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

Abstract

本申请涉及一种二次电池及其制备方法、含有该二次电池的装置。具体地，本申请的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层，所述负极膜层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在负极集流体至少一个表面上且包括第一负极活性材料，所述第二负极膜层设置在第一负极膜层上且包括第二负极活性材料；所述第一负极活性材料和所述第二负极活性材料均包括人造石墨；所述第一负极活性材料中包括一次颗粒，且所述一次颗粒在所述第一负极活性材料中的数量占比A满足：A≥50％。该二次电池兼具良好的快充性能和长循环寿命等特点。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN202080006114.0A 2020-04-30 2020-04-30 二次电池及其制备方法、含有该二次电池的装置 Active CN113875047B (zh)

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CN113875047A true CN113875047A (zh) 2021-12-31
CN113875047B CN113875047B (zh) 2023-11-21

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US (1) US11901546B2 (zh)
EP (1) EP3958353B1 (zh)
JP (1) JP2023504473A (zh)
KR (1) KR102599823B1 (zh)
CN (1) CN113875047B (zh)
ES (1) ES2953953T3 (zh)
HU (1) HUE062604T2 (zh)
PL (1) PL3958353T3 (zh)
WO (1) WO2021217586A1 (zh)

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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
CN108807849A (zh) * 2018-05-16 2018-11-13 宁德时代新能源科技股份有限公司 负极极片及含有它的二次电池
CN108807996A (zh) * 2018-08-17 2018-11-13 东莞市凯金新能源科技股份有限公司 一种高倍率快充石墨负极材料的制法及材料
CN111082129A (zh) * 2019-12-24 2020-04-28 东莞新能源科技有限公司 电化学装置和电子装置

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JP4752574B2 (ja) * 2006-03-30 2011-08-17 ソニー株式会社 負極及び二次電池
JP5473886B2 (ja) * 2010-12-21 2014-04-16 Ｊｆｅケミカル株式会社 リチウムイオン二次電池用負極材料、リチウムイオン二次電池負極およびリチウムイオン二次電池
JP5927788B2 (ja) * 2011-06-23 2016-06-01 日立化成株式会社 リチウムイオン二次電池用負極材、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
EP2797142B1 (en) * 2013-01-25 2018-09-12 LG Chem, Ltd. Anode for lithium secondary battery and lithium secondary battery including same
KR102228103B1 (ko) * 2013-03-26 2021-03-15 미쯔비시 케미컬 주식회사 탄소재, 그 탄소재를 사용한 비수계 이차 전지
CN105470460B (zh) * 2015-03-12 2019-02-01 万向一二三股份公司 一种锂离子电池负极片及其制作方法
KR101995373B1 (ko) * 2016-07-04 2019-09-24 주식회사 엘지화학 이차 전지용 음극
KR102095008B1 (ko) * 2016-09-13 2020-03-30 주식회사 엘지화학 음극, 이를 포함하는 이차전지, 전지 모듈 및 전지 팩
JP6981203B2 (ja) * 2016-11-22 2021-12-15 三菱ケミカル株式会社 非水系二次電池用負極材、非水系二次電池用負極及び非水系二次電池
KR102467348B1 (ko) * 2017-05-19 2022-11-16 주식회사 엘지에너지솔루션 리튬 이차전지용 음극 활물질, 이를 포함하는 리튬 이차전지용 음극 및 리튬 이차전지
KR102272820B1 (ko) * 2018-04-17 2021-07-05 삼성에스디아이 주식회사 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지
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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
CN108807849A (zh) * 2018-05-16 2018-11-13 宁德时代新能源科技股份有限公司 负极极片及含有它的二次电池
CN108807996A (zh) * 2018-08-17 2018-11-13 东莞市凯金新能源科技股份有限公司 一种高倍率快充石墨负极材料的制法及材料
CN111082129A (zh) * 2019-12-24 2020-04-28 东莞新能源科技有限公司 电化学装置和电子装置

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JP2023504473A (ja) 2023-02-03
EP3958353B1 (en) 2023-06-28
CN113875047B (zh) 2023-11-21
EP3958353A1 (en) 2022-02-23
US11901546B2 (en) 2024-02-13
HUE062604T2 (hu) 2023-11-28
WO2021217586A1 (zh) 2021-11-04
KR20220097940A (ko) 2022-07-08
EP3958353A4 (en) 2022-07-13
PL3958353T3 (pl) 2023-10-23
US20220102701A1 (en) 2022-03-31
KR102599823B1 (ko) 2023-11-07
ES2953953T3 (es) 2023-11-17

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