CN115088101A - 阳极极片及其制备方法、采用该极片的电池及电子装置 - Google Patents

阳极极片及其制备方法、采用该极片的电池及电子装置 Download PDF

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Publication number
CN115088101A
CN115088101A CN202080096492.2A CN202080096492A CN115088101A CN 115088101 A CN115088101 A CN 115088101A CN 202080096492 A CN202080096492 A CN 202080096492A CN 115088101 A CN115088101 A CN 115088101A
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anode
lithium
carbon skeleton
porous carbon
active layer
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CN202080096492.2A
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Inventor
陈茂华
谢远森
杜鹏
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Ningde Amperex Technology Ltd
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Ningde Amperex Technology Ltd
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Publication of CN115088101A publication Critical patent/CN115088101A/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
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • 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
    • 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
    • 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
    • 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

一种阳极极片及其制备方法、采用该极片的电池及电子装置，其中阳极极片包括集流体(1)和活性层(2)，活性层(2)包括多孔碳骨架(3)和位于多孔碳骨架(3)中的硅纳米颗粒(4)和锂金属(5)。采用该极片的电池能够减少阳极极片在循环过程中的体积变化，抑制锂枝晶的生长，提高锂离子电池的安全性，并能够使得采用该阳极极片的电池具有更高的能量密度。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN202080096492.2A 2020-03-11 2020-03-11 阳极极片及其制备方法、采用该极片的电池及电子装置 Pending CN115088101A (zh)

Applications Claiming Priority (1)

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PCT/CN2020/078856 WO2021179219A1 (zh) 2020-03-11 2020-03-11 阳极极片及其制备方法、采用该极片的电池及电子装置

Publications (1)

Publication Number Publication Date
CN115088101A true CN115088101A (zh) 2022-09-20

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US (1) US20230006215A1 (zh)
EP (1) EP4120393A4 (zh)
JP (1) JP7465362B2 (zh)
KR (1) KR20220130825A (zh)
CN (1) CN115088101A (zh)
WO (1) WO2021179219A1 (zh)

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* Cited by examiner, † Cited by third party
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CN113871574B (zh) * 2021-09-24 2023-08-08 远景动力技术(江苏)有限公司 锂离子电池负极片及其制备方法与应用

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CN106684342A (zh) * 2015-11-11 2017-05-17 中国科学院苏州纳米技术与纳米仿生研究所 硅-碳纳米管微球、其金属锂复合物与其制备方法及应用
CN106898753A (zh) * 2017-04-17 2017-06-27 浙江大学 硅包覆垂直石墨烯/金属锂复合材料及其制备方法和应用
CN109473629A (zh) * 2018-11-20 2019-03-15 桑德集团有限公司 复合锂负极及其制备方法与锂离子电池
CN110556535A (zh) * 2019-09-17 2019-12-10 上海理工大学 一种柔性三维金属锂负极材料的制备方法
CN110729460A (zh) * 2019-09-30 2020-01-24 山东玉皇新能源科技有限公司 一种锂离子电池纳米硅复合补锂负极材料及其制备方法与应用

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JP2015516643A (ja) * 2012-02-07 2015-06-11 ナノコンプ テクノロジーズ，インク． ナノ構造複合体電池、及び、ナノ構造複合体シートからナノ構造複合体電池を製造する方法
JP2014060124A (ja) * 2012-09-19 2014-04-03 Mitsubishi Chemicals Corp 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
CN106537661B (zh) * 2014-07-15 2019-09-13 东丽株式会社 电极材料以及使用它的锂离子电池或锂离子电容器
WO2017040299A1 (en) * 2015-08-28 2017-03-09 Energ2 Technologies, Inc. Novel materials with extremely durable intercalation of lithium and manufacturing methods thereof
CN109309243A (zh) * 2017-07-26 2019-02-05 中能中科（天津）新能源科技有限公司 锂合金-骨架碳复合材料及其制备方法、负极和锂电池
CN107799742A (zh) * 2017-09-28 2018-03-13 浙江工业大学 一种锂电池用负载硅生物基氮掺杂多孔碳负极材料及其制备方法
JP6873081B2 (ja) * 2018-04-12 2021-05-19 古河機械金属株式会社 リチウムイオン電池用負極材料、リチウムイオン電池用負極、およびリチウムイオン電池
CN110690432A (zh) * 2019-10-16 2020-01-14 北京车和家信息技术有限公司 一种锂离子电池用锂硅碳复合材料及其制备方法和用途

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CN106684342A (zh) * 2015-11-11 2017-05-17 中国科学院苏州纳米技术与纳米仿生研究所 硅-碳纳米管微球、其金属锂复合物与其制备方法及应用
CN106898753A (zh) * 2017-04-17 2017-06-27 浙江大学 硅包覆垂直石墨烯/金属锂复合材料及其制备方法和应用
CN109473629A (zh) * 2018-11-20 2019-03-15 桑德集团有限公司 复合锂负极及其制备方法与锂离子电池
CN110556535A (zh) * 2019-09-17 2019-12-10 上海理工大学 一种柔性三维金属锂负极材料的制备方法
CN110729460A (zh) * 2019-09-30 2020-01-24 山东玉皇新能源科技有限公司 一种锂离子电池纳米硅复合补锂负极材料及其制备方法与应用

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US20230006215A1 (en) 2023-01-05
EP4120393A1 (en) 2023-01-18
EP4120393A4 (en) 2023-11-08
WO2021179219A1 (zh) 2021-09-16
KR20220130825A (ko) 2022-09-27
JP7465362B2 (ja) 2024-04-10
JP2023515589A (ja) 2023-04-13

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