CN114982040A - 一种三电极电池及储能系统 - Google Patents

一种三电极电池及储能系统 Download PDF

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Publication number
CN114982040A
CN114982040A CN202080093603.4A CN202080093603A CN114982040A CN 114982040 A CN114982040 A CN 114982040A CN 202080093603 A CN202080093603 A CN 202080093603A CN 114982040 A CN114982040 A CN 114982040A
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battery
electrode
negative electrode
positive
negative
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CN202080093603.4A
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张业正
夏维洪
乐斌
张光辉
周伟
秦学
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Huawei Digital Power Technologies Co Ltd
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Huawei Digital Power Technologies Co Ltd
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Publication of CN114982040A publication Critical patent/CN114982040A/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • 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
    • 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
    • H01M2004/028—Positive electrodes
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Secondary Cells (AREA)

Abstract

一种三电极电池(10)及储能系统，该三电极电池(10)包括电池管理单元(14)、壳体(11)以及设置在壳体(11)内的参比电极(13)和电芯(12)，参比电极(13)的探测部(131)位于电芯(12)内，参比电极极耳(132)位于电芯(12)外，电池管理单元(14)与参比电极极耳(132)、电芯(12)的负极极耳(122)连接，可以实时采集参比电极(13)和电芯(12)的负极之间的电压以获得电芯(12)的负极电位，并根据负极电位控制电池(10)的充电电流，从而可以实时的对充电电流进行优化调整，提高充电速率，在防止负极出现析锂问题前提下，提高三电极电池(10)的充电速度，实现三电极电池(10)的快充。

Description

PCT国内申请，说明书已公开。

Claims (16)

  1. PCT国内申请，权利要求书已公开。
CN202080093603.4A 2020-09-17 2020-09-17 一种三电极电池及储能系统 Pending CN114982040A (zh)

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PCT/CN2020/115976 WO2022056787A1 (zh) 2020-09-17 2020-09-17 一种三电极电池及储能系统

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CN114982040A true CN114982040A (zh) 2022-08-30

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US (1) US20230207893A1 (zh)
EP (1) EP4195356A1 (zh)
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Cited By (2)

* Cited by examiner, † Cited by third party
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CN117117365A (zh) * 2023-01-16 2023-11-24 荣耀终端有限公司 电池、电池管理方法及电子设备
CN117613191A (zh) * 2023-11-30 2024-02-27 三一红象电池有限公司 参比电极、其制备方法和三电极电池

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* Cited by examiner, † Cited by third party
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CN115863785B (zh) * 2023-02-09 2023-04-28 楚能新能源股份有限公司 一种监控锂沉积的锂离子电池及方法
CN116435609A (zh) * 2023-06-15 2023-07-14 宁德时代新能源科技股份有限公司 电池单体、电池、用电装置、安全性能的检测方法及模块

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CN1815798A (zh) * 2006-01-19 2006-08-09 东莞新能源电子科技有限公司 一种提高锂离子动力电池安全性的方法
CN101855773A (zh) * 2007-09-14 2010-10-06 A123系统公司 具有用于健康状态监视的参考电极的锂可再充电电池
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117117365A (zh) * 2023-01-16 2023-11-24 荣耀终端有限公司 电池、电池管理方法及电子设备
CN117613191A (zh) * 2023-11-30 2024-02-27 三一红象电池有限公司 参比电极、其制备方法和三电极电池

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US20230207893A1 (en) 2023-06-29
EP4195356A1 (en) 2023-06-14

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