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1. WO2012073997 - DEGRADATION ESTIMATION DEVICE FOR SECONDARY BATTERY

Publication Number WO/2012/073997
Publication Date 07.06.2012
International Application No. PCT/JP2011/077648
International Filing Date 30.11.2011
IPC
G01R 31/36 2006.01
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge
H01M 10/48 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
48Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte
H02J 7/00 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
CPC
B60L 58/16
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
58Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
10for monitoring or controlling batteries
16responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
G01R 31/389
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
389Measuring internal impedance, internal conductance or related variables
G01R 31/392
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
392Determining battery ageing or deterioration, e.g. state of health
H01M 10/4285
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
4285Testing apparatus
H01M 10/44
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
44Methods for charging or discharging
H01M 10/48
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
48Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte
Applicants
  • 本田技研工業株式会社 HONDA MOTOR CO., LTD. [JP]/[JP] (AllExceptUS)
  • 冨永 由騎 TOMINAGA Yuki [JP]/[JP] (UsOnly)
  • 武政 幸一郎 TAKEMASA Koichiro [JP]/[JP] (UsOnly)
  • 姉川 彰博 ANEKAWA Akihiro [JP]/[JP] (UsOnly)
Inventors
  • 冨永 由騎 TOMINAGA Yuki
  • 武政 幸一郎 TAKEMASA Koichiro
  • 姉川 彰博 ANEKAWA Akihiro
Agents
  • 志賀 正武 SHIGA Masatake
Priority Data
2010-26689930.11.2010JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) DEGRADATION ESTIMATION DEVICE FOR SECONDARY BATTERY
(FR) DISPOSITIF D'ESTIMATION DE LA DÉGRADATION D'UN ACCUMULATEUR
(JA) 2次電池の劣化推定装置
Abstract
(EN)
Provided is a degradation estimation device for a secondary battery, characterized by comprising: a state detecting unit which includes at least a voltage detecting unit, a current detecting unit, a temperature detecting unit, and a time detecting unit, and which detects a state of a secondary battery; a first storage unit for storing variation behavior data; a correlation resistance value estimation unit for estimating a positive pole correlation resistance value and a negative pole correlation resistance value of the secondary battery; a second storage unit for storing degradation degree data comprising data indicating the correspondence relationship between a degree of deterioration of each of the positive pole and the negative pole of the secondary battery and the positive pole correlation resistance value and the negative pole correlation resistance value; and a deterioration degree estimation unit for estimating the degree of deterioration of each of the positive pole and the negative pole of the secondary battery.
(FR)
L'invention concerne un dispositif d'estimation de la dégradation d'un accumulateur, le dispositif comprenant : une unité de détection d'état qui comprend au moins une unité de détection de tension, une unité de détection de courant, une unité de détection de température et une unité de détection de temps, et qui détecte l'état d'un accumulateur ; une première unité de stockage servant à stocker des données de comportement de variation ; une unité d'estimation de la valeur de résistance de corrélation servant à estimer une valeur de résistance de corrélation du pôle positif et une valeur de résistance de corrélation du pôle négatif de l'accumulateur ; une seconde unité de stockage servant à stocker des données de degré de dégradation comprenant des données indiquant la relation de correspondance entre un degré de détérioration du pôle positif et du pôle négatif de l'accumulateur et la valeur de résistance de corrélation du pôle positif et la valeur de résistance de corrélation du pôle négatif ; et une unité d'estimation du degré de détérioration servant à estimer le degré de détérioration du pôle positif et du pôle négatif de l'accumulateur.
(JA)
 少なくとも、電圧検出部と、電流検出部と、温度検出部と、時間検出部とを有し、2次電池の状態を検出する状態検出部と;変移挙動データを記憶する第1記憶部と;前記2次電池の正極側相関抵抗値および負極側相関抵抗値を推定する相関抵抗値推定部と;前記正極側相関抵抗値および前記負極側相関抵抗値と、前記2次電池の各正極および負極毎の劣化度との対応関係を示すデータからなる劣化度データを記憶する第2記憶部と;前記2次電池の各正極および負極毎の劣化度を推定する劣化度推定部と;を備えることを特徴とする2次電池の劣化推定装置。
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Latest bibliographic data on file with the International Bureau