WO2019166035A3 - 一种锂电池内短路电压电流异常检测方法及系统 - Google Patents

一种锂电池内短路电压电流异常检测方法及系统 Download PDF

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Publication number
WO2019166035A3
WO2019166035A3 PCT/CN2019/091557 CN2019091557W WO2019166035A3 WO 2019166035 A3 WO2019166035 A3 WO 2019166035A3 CN 2019091557 W CN2019091557 W CN 2019091557W WO 2019166035 A3 WO2019166035 A3 WO 2019166035A3
Authority
WO
WIPO (PCT)
Prior art keywords
lithium battery
internal short
current
short circuit
battery internal
Prior art date
Application number
PCT/CN2019/091557
Other languages
English (en)
French (fr)
Other versions
WO2019166035A2 (zh
Inventor
赵少华
王守模
Original Assignee
广东恒翼能科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东恒翼能科技有限公司 filed Critical 广东恒翼能科技有限公司
Priority to PCT/CN2019/091557 priority Critical patent/WO2019166035A2/zh
Publication of WO2019166035A2 publication Critical patent/WO2019166035A2/zh
Publication of WO2019166035A3 publication Critical patent/WO2019166035A3/zh

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/392—Determining battery ageing or deterioration, e.g. state of health

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

本发明提供一种锂电池内短路电压电流异常检测方法及系统，包括如下步骤：S1：对锂电池进行充放电并确定所述锂电池进入充放电状态；S2：同步实时采集所述锂电池两端的电压数据和通过所述锂电池的电流数据中的至少一者；S3：判断所述电压数据和所述电流数据是否异常；当所述电压和/或所述电流异常时，停止自动化生产。可以有效避免因锂电池内短路造成的化成分容过程中的热失控，提高锂电池自动化生产的安全性。
PCT/CN2019/091557 2019-06-17 2019-06-17 一种锂电池内短路电压电流异常检测方法及系统 WO2019166035A2 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/091557 WO2019166035A2 (zh) 2019-06-17 2019-06-17 一种锂电池内短路电压电流异常检测方法及系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/091557 WO2019166035A2 (zh) 2019-06-17 2019-06-17 一种锂电池内短路电压电流异常检测方法及系统

Publications (2)

Publication Number Publication Date
WO2019166035A2 WO2019166035A2 (zh) 2019-09-06
WO2019166035A3 true WO2019166035A3 (zh) 2020-04-23

Family

ID=67808809

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/091557 WO2019166035A2 (zh) 2019-06-17 2019-06-17 一种锂电池内短路电压电流异常检测方法及系统

Country Status (1)

Country Link
WO (1) WO2019166035A2 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7146358B2 (ja) * 2020-08-07 2022-10-04 プライムプラネットエナジー＆ソリューションズ株式会社 二次電池の絶縁検査方法
CN112763919B (zh) * 2021-02-02 2024-01-09 江苏正力新能电池技术有限公司 一种动力电池內短路异常的检测方法及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101071160A (zh) * 2006-05-10 2007-11-14 盈正豫顺电子股份有限公司 电池健康状态的诊断方法
CN101765941A (zh) * 2007-07-26 2010-06-30 松下电器产业株式会社 电池的内部短路检测装置、方法、电池组件以及电子设备系统
CN108107364A (zh) * 2016-11-24 2018-06-01 华为技术有限公司 一种检测电池的方法及装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101071160A (zh) * 2006-05-10 2007-11-14 盈正豫顺电子股份有限公司 电池健康状态的诊断方法
CN101765941A (zh) * 2007-07-26 2010-06-30 松下电器产业株式会社 电池的内部短路检测装置、方法、电池组件以及电子设备系统
CN108107364A (zh) * 2016-11-24 2018-06-01 华为技术有限公司 一种检测电池的方法及装置

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