CN114072949A - 电化学装置和电子装置 - Google Patents

电化学装置和电子装置 Download PDF

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Publication number
CN114072949A
CN114072949A CN202080049688.6A CN202080049688A CN114072949A CN 114072949 A CN114072949 A CN 114072949A CN 202080049688 A CN202080049688 A CN 202080049688A CN 114072949 A CN114072949 A CN 114072949A
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positive electrode
mixture layer
lithium
electrode mixture
electrochemical device
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CN114072949B (zh
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王可飞
师亮
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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    • 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
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • H01M10/0568Liquid materials characterised by the solutes
    • HELECTRICITY
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    • 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
    • H01M10/058Construction or manufacture
    • 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
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • H01M10/0567Liquid materials characterised by the additives
    • 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
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566Liquid materials
    • H01M10/0569Liquid materials characterised by the solvents
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • HELECTRICITY
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    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/04Processes of manufacture in general
    • H01M4/0402Methods of deposition of the material
    • H01M4/0404Methods of deposition of the material by coating on electrode collectors
    • 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
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    • 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
    • H01M4/485Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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    • 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
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    • 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
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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
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  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)

Abstract

本申请涉及一种电化学装置和电子装置。具体而言,本申请提供一种电化学装置,其包括:正极、负极和电解液,所述正极包括正极集流体和形成在所述正极集流体上的正极合剂层,其中所述电解液包含一定量的二氟磷酸锂并且所述正极合剂层具有较小的厚度变化率。本申请的电化学装置具有改进的间歇循环性能和浮充性能。

Description

PCT国内申请,说明书已公开。

Claims (12)

  1. PCT国内申请,权利要求书已公开。
CN202080049688.6A 2020-06-05 2020-06-05 电化学装置和电子装置 Active CN114072949B (zh)

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CN202310574961.2A CN116404262A (zh) 2020-06-05 2020-06-05 电化学装置和电子装置
CN202310574962.7A CN116404263A (zh) 2020-06-05 2020-06-05 电化学装置和电子装置

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PCT/CN2020/094654 WO2021243702A1 (zh) 2020-06-05 2020-06-05 电化学装置和电子装置

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US (1) US20230096730A1 (zh)
EP (1) EP4148852A4 (zh)
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KR (1) KR20220042235A (zh)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115332638A (zh) * 2022-10-14 2022-11-11 宁德新能源科技有限公司 一种电解液、电化学装置和电子装置

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
WO2023286885A1 (ko) 2021-07-14 2023-01-19 동화일렉트로라이트 주식회사 신규한 화합물, 이를 포함하는 이차 전지용 전해액 및 이를 포함하는 이차 전지
CN117335008B (zh) * 2023-11-28 2024-06-11 宁德时代新能源科技股份有限公司 电解液、锂二次电池和用电装置
CN117638082B (zh) * 2024-01-24 2024-04-09 宁德新能源科技有限公司 锂离子电池和电子装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103208647A (zh) * 2012-01-11 2013-07-17 三星Sdi株式会社 可再充电锂电池
CN104011920A (zh) * 2011-12-27 2014-08-27 日本瑞翁株式会社 二次电池用正极及其制造方法、浆液组合物以及二次电池
US20150288033A1 (en) * 2014-04-07 2015-10-08 Samsung Sdi Co., Ltd. Rechargeable lithium battery
CN110911753A (zh) * 2019-12-13 2020-03-24 东莞东阳光科研发有限公司 非水电解液及锂离子电池

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013187487A1 (ja) * 2012-06-15 2013-12-19 三菱化学株式会社 非水系電解液二次電池及びその使用方法
JP6191884B2 (ja) * 2013-01-15 2017-09-06 パナソニックIpマネジメント株式会社 リチウム二次電池
PL3483973T3 (pl) * 2016-07-22 2022-02-21 Daikin Industries, Ltd. Roztwór elektrolitu, urządzenie elektrochemiczne, bateria akumulatorowa oraz moduł
JP6783717B2 (ja) * 2017-07-31 2020-11-11 トヨタ自動車株式会社 非水系二次電池
JP7127692B2 (ja) * 2018-10-05 2022-08-30 株式会社村田製作所 リチウムイオン二次電池用電解液およびリチウムイオン二次電池
CN110660965B (zh) * 2019-08-29 2021-12-17 孚能科技(赣州)股份有限公司 负极片及其制备方法和锂离子电池及其制备方法和应用
CN111048840B (zh) * 2019-12-27 2021-06-18 苏州凌威新能源科技有限公司 锂离子电池电解液以及锂离子电池

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104011920A (zh) * 2011-12-27 2014-08-27 日本瑞翁株式会社 二次电池用正极及其制造方法、浆液组合物以及二次电池
CN103208647A (zh) * 2012-01-11 2013-07-17 三星Sdi株式会社 可再充电锂电池
US20150288033A1 (en) * 2014-04-07 2015-10-08 Samsung Sdi Co., Ltd. Rechargeable lithium battery
CN110911753A (zh) * 2019-12-13 2020-03-24 东莞东阳光科研发有限公司 非水电解液及锂离子电池

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115332638A (zh) * 2022-10-14 2022-11-11 宁德新能源科技有限公司 一种电解液、电化学装置和电子装置

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CN114072949B (zh) 2023-07-07
CN116404263A (zh) 2023-07-07
KR20220042235A (ko) 2022-04-04
JP7434533B2 (ja) 2024-02-20
EP4148852A1 (en) 2023-03-15
CN116404262A (zh) 2023-07-07
WO2021243702A1 (zh) 2021-12-09
JP2024059672A (ja) 2024-05-01
US20230096730A1 (en) 2023-03-30
EP4148852A4 (en) 2023-12-06
JP2022548140A (ja) 2022-11-16

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