WO2008084791A1 - リチウム二次電池の劣化検出方法と劣化抑制方法、劣化検出器と劣化抑制器、それを用いた電池パック、充電器 - Google Patents

リチウム二次電池の劣化検出方法と劣化抑制方法、劣化検出器と劣化抑制器、それを用いた電池パック、充電器 Download PDF

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Publication number
WO2008084791A1
WO2008084791A1 PCT/JP2008/050089 JP2008050089W WO2008084791A1 WO 2008084791 A1 WO2008084791 A1 WO 2008084791A1 JP 2008050089 W JP2008050089 W JP 2008050089W WO 2008084791 A1 WO2008084791 A1 WO 2008084791A1
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WO
WIPO (PCT)
Prior art keywords
degradation
lithium secondary
secondary cell
detection method
cell
Prior art date
Application number
PCT/JP2008/050089
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English (en)
French (fr)
Inventor
Masaya Ugaji
Takayuki Shirane
Kaoru Inoue
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to EP08710538A priority Critical patent/EP1983602A4/en
Priority to US12/161,104 priority patent/US8102152B2/en
Publication of WO2008084791A1 publication Critical patent/WO2008084791A1/ja

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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
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • 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
    • 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
    • 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
    • H01M10/44—Methods for charging or discharging
    • 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]
    • G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
    • 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
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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
    • H01M4/134—Electrodes based on metals, Si or alloys
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

　リチウム二次電池の劣化検出方法では、リチウム二次電池の電池電圧を充電終止あるいは放電終止の前後で測定する。そして測定した電池電圧より判定値を算出する。この判定値をリチウム二次電池のあらかじめ記憶した基準値と比較して、その結果よりリチウム二次電池の劣化度合いを推定する。さらに得られた劣化度合いに基づいてリチウム二次電池の充電および放電を制御することにより劣化の進行を抑制することができる。
PCT/JP2008/050089 2007-01-11 2008-01-09 リチウム二次電池の劣化検出方法と劣化抑制方法、劣化検出器と劣化抑制器、それを用いた電池パック、充電器 WO2008084791A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08710538A EP1983602A4 (en) 2007-01-11 2008-01-09 DEGRADING DETECTION METHOD FOR A SECONDARY LITHIUM CELL, DEGRADATION KNOWLEDGE, DEGRADING DEPRESSION DEVICE AND CELL PACKAGE WITH THE SAME BATTERY CHARGER
US12/161,104 US8102152B2 (en) 2007-01-11 2008-01-09 Deterioration detecting method and deterioration suppressing method for rechargeable lithium batteries, deterioration detector, deterioration suppressor, battery pack, and charger

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007003005 2007-01-11
JP2007-003005 2007-01-11

Publications (1)

Publication Number Publication Date
WO2008084791A1 true WO2008084791A1 (ja) 2008-07-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050089 WO2008084791A1 (ja) 2007-01-11 2008-01-09 リチウム二次電池の劣化検出方法と劣化抑制方法、劣化検出器と劣化抑制器、それを用いた電池パック、充電器

Country Status (5)

Country Link
US (1) US8102152B2 (ja)
EP (1) EP1983602A4 (ja)
JP (1) JP5130917B2 (ja)
CN (1) CN101542821A (ja)
WO (1) WO2008084791A1 (ja)

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WO2012046375A1 (ja) * 2010-10-04 2012-04-12 パナソニック株式会社 非水電解質二次電池の充放電制御システム及び制御方法、並びに電池パック
CN104215910A (zh) * 2014-08-13 2014-12-17 钱亚琴 用于锂离子电池组的检测及诊断方法
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EP1983602A1 (en) 2008-10-22
CN101542821A (zh) 2009-09-23
US8102152B2 (en) 2012-01-24
EP1983602A4 (en) 2011-03-16
JP5130917B2 (ja) 2013-01-30
US20100156351A1 (en) 2010-06-24

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