FR3075395B1 - Procede de determination du courant de decharge maximal applicable a une cellule lithium-ion a une temperature donnee - Google Patents

Procede de determination du courant de decharge maximal applicable a une cellule lithium-ion a une temperature donnee Download PDF

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Publication number
FR3075395B1
FR3075395B1 FR1762465A FR1762465A FR3075395B1 FR 3075395 B1 FR3075395 B1 FR 3075395B1 FR 1762465 A FR1762465 A FR 1762465A FR 1762465 A FR1762465 A FR 1762465A FR 3075395 B1 FR3075395 B1 FR 3075395B1
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FR
France
Prior art keywords
determining
discharge
lithium
discharge current
ion cell
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR1762465A
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English (en)
Other versions
FR3075395A1 (fr
Inventor
Jean-Marie Klein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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.)
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Publication date
Application filed by Commissariat a lEnergie Atomique CEA, Commissariat a lEnergie Atomique et aux Energies Alternatives CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR1762465A priority Critical patent/FR3075395B1/fr
Publication of FR3075395A1 publication Critical patent/FR3075395A1/fr
Application granted granted Critical
Publication of FR3075395B1 publication Critical patent/FR3075395B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
    • 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]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • 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]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery

Landscapes

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

Abstract

L'invention concerne un procédé de détermination, au moyen d'un dispositif électronique de traitement de données, du courant de décharge maximal IMAX applicable à une cellule lithium-ion à une température donnée, à partir d'une pluralité de courbes de décharge (Di) de la cellule à ladite température et sous des courants de décharge (IREFi) distincts inférieurs au courant IMAX, ce procédé comprenant les étapes suivantes : a) pour chaque courbe de décharge (Di), déterminer une valeur de tension UMIN correspondant à un premier minimum local de la courbe de décharge ; b) déterminer, par extrapolation à partir de la pluralité de valeurs UMIN déterminées à l'étape a), une fonction f continue représentative de l'évolution de la valeur UMIN en fonction du courant de décharge à ladite température ; et c) déterminer le courant IMAX à partir de la fonction f.
FR1762465A 2017-12-19 2017-12-19 Procede de determination du courant de decharge maximal applicable a une cellule lithium-ion a une temperature donnee Expired - Fee Related FR3075395B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1762465A FR3075395B1 (fr) 2017-12-19 2017-12-19 Procede de determination du courant de decharge maximal applicable a une cellule lithium-ion a une temperature donnee

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1762465 2017-12-19
FR1762465A FR3075395B1 (fr) 2017-12-19 2017-12-19 Procede de determination du courant de decharge maximal applicable a une cellule lithium-ion a une temperature donnee

Publications (2)

Publication Number Publication Date
FR3075395A1 FR3075395A1 (fr) 2019-06-21
FR3075395B1 true FR3075395B1 (fr) 2020-11-20

Family

ID=61224133

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1762465A Expired - Fee Related FR3075395B1 (fr) 2017-12-19 2017-12-19 Procede de determination du courant de decharge maximal applicable a une cellule lithium-ion a une temperature donnee

Country Status (1)

Country Link
FR (1) FR3075395B1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2734061B1 (fr) * 1995-05-12 1997-06-20 Thomson Csf Procede de determination de la charge disponible d'une batterie d'accumulateurs en fin de decharge
SE515398C2 (sv) * 1996-04-29 2001-07-30 Emerson Energy Systems Ab Batterikapacitetsmätare
FR2750768B1 (fr) * 1996-07-02 1998-11-27 Thomson Csf Procede de correction de l'effet memoire des batteries nickel-cadmium
GB2350686B (en) * 1999-06-03 2004-01-07 Switchtec Power Systems Ltd Battery capacity measurement
GB2413225B (en) * 2001-05-14 2005-12-28 Eaton Power Quality Ltd Battery charge management
JP4061965B2 (ja) * 2002-05-14 2008-03-19 ソニー株式会社 電池容量算出方法
FR2912265B1 (fr) * 2007-02-06 2009-04-24 Batscap Sa Batterie a modules de cellules en serie, et vehicule equipe de celle-ci
FR2964196B1 (fr) * 2010-08-25 2012-08-24 Peugeot Citroen Automobiles Sa Dispositif de determination de grandeur(s) d'une batterie a cellules en serie
DE102014204953A1 (de) * 2014-03-18 2015-09-24 Robert Bosch Gmbh Verfahren zum Betreiben von eigensicheren Batteriezellen

Also Published As

Publication number Publication date
FR3075395A1 (fr) 2019-06-21

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