CN113614969A - 电化学装置和包含其的电子装置 - Google Patents

电化学装置和包含其的电子装置 Download PDF

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Publication number
CN113614969A
CN113614969A CN202080016450.3A CN202080016450A CN113614969A CN 113614969 A CN113614969 A CN 113614969A CN 202080016450 A CN202080016450 A CN 202080016450A CN 113614969 A CN113614969 A CN 113614969A
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China
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lithium
layer
active material
negative electrode
electrochemical device
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Pending
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CN202080016450.3A
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English (en)
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钟华炜
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Ningde Amperex Technology Ltd
Dongguan Amperex Technology Ltd
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Ningde Amperex Technology Ltd
Dongguan Amperex Technology Ltd
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Application filed by Ningde Amperex Technology Ltd, Dongguan Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Publication of CN113614969A publication Critical patent/CN113614969A/zh
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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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H01M50/461—Separators, membranes or diaphragms characterised by their combination with electrodes with adhesive layers between electrodes and separators
    • 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
    • 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
    • H01M4/381—Alkaline or alkaline earth metals elements
    • H01M4/382—Lithium
    • 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
    • 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
    • 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
    • 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

本申请涉及电化学装置及包含其的电子装置。电化学装置包括：正极、负极、隔离膜、粘结层及锂化合物层，其中负极包括负极活性材料层。隔离膜设置在正极与负极之间，粘结层设置在负极活性材料层与隔离膜之间，且锂化合物层设置在粘结层和负极活性材料层之间。锂化合物层包括碳酸锂及氧化锂中的至少一种。本申请通过在隔离膜与负极之间设置粘结层，以有效的增强补锂工艺处理后的负极对隔离膜的粘结能力，降低负极在充放电循环过程中由于体积膨胀所造成的变形并避免与隔离膜剥离。

Description

PCT国内申请，说明书已公开。

Claims (11)

  1. PCT国内申请，权利要求书已公开。
CN202080016450.3A 2020-03-04 2020-03-04 电化学装置和包含其的电子装置 Pending CN113614969A (zh)

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PCT/CN2020/077769 WO2021174443A1 (zh) 2020-03-04 2020-03-04 电化学装置和包含其的电子装置

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CN113614969A true CN113614969A (zh) 2021-11-05

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US (1) US20230058850A1 (zh)
EP (1) EP4102609A4 (zh)
JP (1) JP7437516B2 (zh)
CN (1) CN113614969A (zh)
WO (1) WO2021174443A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188664A (zh) * 2022-02-15 2022-03-15 上海瑞浦青创新能源有限公司 补锂隔离膜及其制备方法、含补锂隔离膜的电芯及其制备方法
CN114843440A (zh) * 2022-07-01 2022-08-02 宁德新能源科技有限公司 电化学装置及其制备方法和电子装置

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* Cited by examiner, † Cited by third party
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CN115295795A (zh) * 2021-12-24 2022-11-04 深圳市德方创域新能源科技有限公司 正极补锂添加剂及其制备方法和应用
CN116581404A (zh) * 2023-07-14 2023-08-11 宁德时代新能源科技股份有限公司 电池、电池补锂方法、用电装置

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CN1177417A (zh) * 1995-03-06 1998-03-25 富士摄影胶片株式会社 无水二次电池
JP2009099523A (ja) * 2007-09-27 2009-05-07 Sanyo Electric Co Ltd リチウム二次電池
WO2013038672A1 (ja) * 2011-09-13 2013-03-21 パナソニック株式会社 非水電解質二次電池
CN103606644A (zh) * 2013-10-28 2014-02-26 珠海光宇电池有限公司 锂离子电池的负极片、隔膜及两者的制造方法
CN103814460A (zh) * 2011-11-11 2014-05-21 株式会社Lg化学 隔膜及包含该隔膜的电化学器件
US20160126023A1 (en) * 2014-10-30 2016-05-05 General Capacitor, Llc High performance lithium-ion capacitor laminate cells
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US20080070120A1 (en) * 2006-09-14 2008-03-20 Shin-Etsu Chemical Co., Ltd. Non-aqueous electrolyte secondary battery and making method
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CN1177417A (zh) * 1995-03-06 1998-03-25 富士摄影胶片株式会社 无水二次电池
JP2009099523A (ja) * 2007-09-27 2009-05-07 Sanyo Electric Co Ltd リチウム二次電池
WO2013038672A1 (ja) * 2011-09-13 2013-03-21 パナソニック株式会社 非水電解質二次電池
CN103814460A (zh) * 2011-11-11 2014-05-21 株式会社Lg化学 隔膜及包含该隔膜的电化学器件
CN103606644A (zh) * 2013-10-28 2014-02-26 珠海光宇电池有限公司 锂离子电池的负极片、隔膜及两者的制造方法
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188664A (zh) * 2022-02-15 2022-03-15 上海瑞浦青创新能源有限公司 补锂隔离膜及其制备方法、含补锂隔离膜的电芯及其制备方法
CN114843440A (zh) * 2022-07-01 2022-08-02 宁德新能源科技有限公司 电化学装置及其制备方法和电子装置
CN114843440B (zh) * 2022-07-01 2022-10-18 宁德新能源科技有限公司 电化学装置及其制备方法和电子装置

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JP2023512967A (ja) 2023-03-30
US20230058850A1 (en) 2023-02-23
WO2021174443A1 (zh) 2021-09-10
EP4102609A1 (en) 2022-12-14
EP4102609A4 (en) 2023-04-05
JP7437516B2 (ja) 2024-02-22

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