WO2005017545A1 - 二次電池の電圧補正方法および装置、並びに二次電池の残存容量推定方法および装置 - Google Patents

二次電池の電圧補正方法および装置、並びに二次電池の残存容量推定方法および装置 Download PDF

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Publication number
WO2005017545A1
WO2005017545A1 PCT/JP2004/005572 JP2004005572W WO2005017545A1 WO 2005017545 A1 WO2005017545 A1 WO 2005017545A1 JP 2004005572 W JP2004005572 W JP 2004005572W WO 2005017545 A1 WO2005017545 A1 WO 2005017545A1
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WO
WIPO (PCT)
Prior art keywords
voltage
battery
representative
secondary battery
measured
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.)
Ceased
Application number
PCT/JP2004/005572
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English (en)
French (fr)
Japanese (ja)
Inventor
Yusai Murakami
Norito Yamabe
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.)
Primearth EV Energy Co Ltd
Original Assignee
Panasonic EV Energy Co Ltd
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 EV Energy Co Ltd filed Critical Panasonic EV Energy Co Ltd
Priority to US10/567,799 priority Critical patent/US7528575B2/en
Priority to EP04728239A priority patent/EP1679523A4/en
Publication of WO2005017545A1 publication Critical patent/WO2005017545A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage 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]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery

Definitions

  • the method for estimating the remaining capacity of a secondary battery according to the present invention includes a method for estimating the remaining capacity of each secondary battery based on the battery voltage obtained by the voltage correcting method for a secondary battery according to the present invention. Is calculated.
  • the reliability of the battery control is improved by using the battery voltage with improved measurement accuracy for estimating S ⁇ C.
  • S between battery blocks It has the advantages of reducing the OC estimation error, improving the SOC estimation accuracy, and being able to accurately grasp the even charging time.
  • the battery pack 10 When the battery pack 10 is mounted on an HEV or the like, usually, a battery in which a plurality of unit cells, such as nickel-hydrogen batteries, or unit cells are electrically connected in series is used to obtain a predetermined output to the motor. A plurality of blocks are further electrically connected in series.
  • the battery pack 10 is composed of 20 battery blocks 10-1, 10-2,..., 10-20.
  • each battery block is represented by a single battery electric symbol for simplicity of illustration.
  • 102--2 is provided in the second voltage measurement system for the five battery blocks 10-11, 10-13, 10-15, 10-17, 10-19.
  • the voltage data V o (3), Vo (5), V o ( 7), the average voltage V avl of Vo (9) is calculated as a representative voltage of the first voltage measurement system.
  • the voltage data V o (19) corresponding to the battery block 10-19 disposed one inside from the other end of the battery pack 10 the voltage data Vo (1 1) , V o (13), V o (15), and V 0 (17) are calculated as the average voltage V a V 2 as the representative voltage of the second voltage measurement system.
  • the representative (average) voltage calculation unit 105 calculates the voltage data corresponding to the battery block determined to be abnormal due to a remarkable variation in the battery capacity or the like, A voltage deviation from a voltage measurement circuit that is determined to be abnormal due to a voltage deviation that exceeds the specified range or a cable disconnection from the battery pack 10 to the battery ECU 101, etc. Are also excluded from the average voltage calculation.
  • the average voltage difference calculation unit 106 sets the battery blocks 10-11, 10-13, 10-15, 1 in the second voltage measurement system as different voltage measurement systems.
  • Average voltage V a V 2 corresponding to 0—17 and adjacent battery blocks in the fourth voltage measurement system 10—12, 10—14, 10—16, 10—18
  • the difference between the average value of V1 and VaV3 and the average value of the average voltages VaV2 and Vav4 in the second and fourth voltage measurement systems ((((VaV1 + V a V 3) From (V av 2 + V av 4)) / 2), the average voltage difference AV 2 in the second voltage measurement system and the average voltage difference ⁇ 4 in the fourth voltage measurement system are calculated.
  • the voltage correction value calculation unit 107 receives the average voltage difference 1, mm 2, 3, and AV 4 from the average voltage difference calculation unit 106, and calculates the average voltage in the first to fourth voltage measurement systems. Voltage correction values Q; 1, a
  • the correction value averaging processing unit 108 calculates the average value aa V of the voltage correction values ⁇ 1, a2, hi3, and ⁇ 4 from the voltage correction value calculation unit 107 during a predetermined period (for example, several seconds). 1, aav2, aav3, o; calculate av4.
  • the correction value reflection processing unit 109 receives the average value aavl, aa V2, aav3 aav4 of the voltage correction values from the voltage correction value calculation unit 107, and receives the voltage data V of the first voltage measurement system.
  • 0 (i) (i l, 3, 5, 7, 9)
  • Voltage data of the third voltage measurement system V o (i) (i 2, 4, 6, 8, 10
  • the electromotive force calculation unit 113 obtains the polarization voltage calculation unit 112 from the correction voltage data Vc (i) obtained by the correction value reflection unit 109, as described above. By subtracting the polarization voltage Vpo1, the electromotive force Veq (equilibrium potential) is calculated. The electromotive force V e Q calculated in this way is input to the remaining capacity calculation unit 114.
  • the remaining capacity calculation unit 114 calculates the temperature measurement unit 1 from the characteristic curve or equation of the electromotive force V eq with respect to the remaining capacity SOC with the temperature as a parameter, which is stored in the reference table (LUT) 1 141 in advance. Based on the temperature data T measured in 04, the remaining capacity SOC of each battery block is calculated.
  • a characteristic curve that can cover a temperature range of 130 ° C to 60 ° C is stored in the LUT 1141 as reference data.
  • FIG. 2 is a flowchart showing a processing procedure in a remaining capacity estimation method using the voltage correction method for a secondary battery according to one embodiment of the present invention.
  • the voltage data V (i) and the current data I are measured as a set of data (S201).
  • the average voltage V a V 1 in the first voltage measurement system and the average voltage V a V 3 in the third voltage measurement system are added to the difference between each other.
  • the average of the average voltages V a V 1 and V a V 3 and the average of the average voltage V a V 2 in the second voltage measurement system and the average voltage V a V 4 in the fourth voltage measurement system From the difference from the value, an average voltage difference ⁇ V 1 for the first voltage measurement system and an average voltage difference ⁇ 3 for the third voltage measurement system are calculated.
  • the difference between the average voltage V a V 2 in the second voltage measurement system and the average voltage V a V 4 in the fourth voltage measurement system (3 a Average value of V3 and average voltage Vav2 and average voltage
  • the average voltage difference ⁇ V 2 for the second voltage measurement system and the average voltage difference ⁇ 4 for the fourth voltage ′ measurement system are calculated from the difference between the voltage V av 4 and the average value.
  • the voltage correction value calculation processing step S20 from the average voltage differences ⁇ 1, ⁇ V2, ⁇ V3, AV4, the average voltages in the first to fourth voltage measurement systems are respectively equalized. Calculate the voltage correction values ⁇ 1, hi2, hi3, and a4.
  • the integrated capacity Q is calculated by current integration based on the current data I measured in step S201.
  • a change capacity calculation processing step S208 a change amount (change capacity) of the integrated capacity Q in a predetermined period (for example, one minute) is calculated.
  • the polarization voltage calculation processing step S209 based on a reference table in which the polarization voltage Vp o1 ⁇ characteristic data with the temperature data T as a parameter is stored in advance from the change capacity AQ, Calculate the polarization voltage Vp o 1.
  • the electromotive force calculation processing step S 210 the polarization voltage calculation processing is performed based on the correction voltage data V c (i) calculated in the correction value reflection processing step S 206.
  • the electromotive force Veq is calculated by subtracting the polarization voltage Vp01 calculated in step S209.
  • the remaining capacity calculation processing step S 211 from the electromotive force Ve Q calculated in the electromotive force calculation processing step S 210, the electromotive force V ed—the remaining capacity S 0 using the temperature data T as a parameter.
  • the remaining capacity SOC is calculated based on a reference table in which the C characteristic data is stored in advance.
  • the reliability of battery control is improved by using the battery voltage with improved measurement accuracy for estimating SOC.
  • the SOC estimation error between the battery blocks is reduced, the SOC estimation accuracy is improved, and the timing of equal charging can be accurately grasped.
  • the battery pack system mounted on the HEV having four different voltage measurement systems has been described as an example.
  • the present invention is not limited to this, and can be applied to, for example, a power supply system having a backup power supply and two different voltage measurement systems.
  • the voltage correction method and apparatus of the secondary battery which improved the measurement accuracy of the battery voltage between the battery blocks from which a voltage measurement system differs are provided, and, thereby, the offset error is added to the measured battery voltage. Even in the case where it is included, it is possible to provide a method and apparatus capable of estimating S OC with high accuracy.
  • a voltage correction method and device for a secondary battery according to the present invention have improved battery voltage measurement accuracy between battery blocks having different voltage measurement systems. Therefore, even if the measured battery voltage includes an offset error, the SOC can be estimated with high accuracy, so that electric vehicles (PEV), hybrid vehicles (HEV), eight-brid vehicles with fuel cells and secondary batteries, etc. This is useful for applications such as electric vehicles and power supply systems with a backup power supply.
  • PEV electric vehicles
  • HEV hybrid vehicles

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Measurement Of Current Or Voltage (AREA)
PCT/JP2004/005572 2003-08-14 2004-04-19 二次電池の電圧補正方法および装置、並びに二次電池の残存容量推定方法および装置 Ceased WO2005017545A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/567,799 US7528575B2 (en) 2003-08-14 2004-04-19 Method and apparatus for correcting voltage of secondary battery, and method and apparatus for estimating state of charge of secondary battery
EP04728239A EP1679523A4 (en) 2003-08-14 2004-04-19 METHOD AND UNIT FOR CORRECTING SECONDARY BATTERY VOLTAGE AND METHOD AND UNIT FOR ESTIMATING BATTERY RESIDUAL CAPABILITY

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003293529A JP4283615B2 (ja) 2003-08-14 2003-08-14 二次電池の電圧補正方法および装置、並びに二次電池の残存容量推定方法および装置
JP2003-293529 2003-08-14

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WO2005017545A1 true WO2005017545A1 (ja) 2005-02-24

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US (1) US7528575B2 (enExample)
EP (1) EP1679523A4 (enExample)
JP (1) JP4283615B2 (enExample)
CN (1) CN100547427C (enExample)
WO (1) WO2005017545A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1806592A1 (en) * 2005-12-29 2007-07-11 AMI Semiconductor Belgium BVBA Method and system for monitoring battery stacks
US8258792B2 (en) 2009-05-11 2012-09-04 Semiconductor Components Industries, Llc. Monitoring system and method

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4283615B2 (ja) * 2003-08-14 2009-06-24 パナソニックＥｖエナジー株式会社 二次電池の電圧補正方法および装置、並びに二次電池の残存容量推定方法および装置
JP2007205977A (ja) * 2006-02-03 2007-08-16 Toyota Motor Corp 二次電池の監視装置
JP4877181B2 (ja) * 2006-10-23 2012-02-15 ソニー株式会社 充電装置および充電方法
JP5179047B2 (ja) * 2006-11-27 2013-04-10 パナソニック株式会社 蓄電装置の異常検出装置、蓄電装置の異常検出方法及びその異常検出プログラム
JP4668306B2 (ja) * 2007-09-07 2011-04-13 パナソニック株式会社 二次電池の寿命推定装置および二次電池の寿命推定方法
JP5279261B2 (ja) * 2007-12-27 2013-09-04 三洋電機株式会社 充電状態均等化装置及びこれを具えた組電池システム
US8044786B2 (en) * 2008-06-19 2011-10-25 Tesla Motors, Inc. Systems and methods for diagnosing battery voltage mis-reporting
JP5297730B2 (ja) * 2008-09-09 2013-09-25 矢崎総業株式会社 電圧検出装置
JP5297729B2 (ja) * 2008-09-09 2013-09-25 矢崎総業株式会社 電圧検出装置
US8115446B2 (en) * 2008-11-12 2012-02-14 Ford Global Technologies, Llc Automotive vehicle power system
US8525486B2 (en) 2008-11-20 2013-09-03 Mitsubishi Electric Corporation Power converter
US8643376B2 (en) 2009-03-04 2014-02-04 Yazaki Corporation Voltage measuring apparatus of assembled battery
JP5148579B2 (ja) * 2009-09-29 2013-02-20 三菱重工業株式会社 二次電池異常予見システム
DE102010001529A1 (de) * 2010-02-03 2011-08-04 SB LiMotive Company Ltd., Kyonggi Adaptives Verfahren zur Bestimmung der Leistungsparameter einer Batterie
DE102010006965A1 (de) * 2010-02-05 2011-08-11 Continental Automotive GmbH, 30165 Vorrichtung und Verfahren zur Bestimmung eines Bereichs einer Batteriekennlinie
JP5468442B2 (ja) * 2010-03-31 2014-04-09 本田技研工業株式会社 Ａｄ変換回路、及び、誤差補正方法
JP5700756B2 (ja) 2010-04-28 2015-04-15 矢崎総業株式会社 複数組電池の電圧測定装置
CN102741699B (zh) * 2010-04-30 2014-12-03 松下电器产业株式会社 满充电容量修正电路、充电系统、电池组件以及满充电容量修正方法
JP2011247818A (ja) * 2010-05-28 2011-12-08 Yazaki Corp 複数組電池の電圧測定装置
DE102010030491A1 (de) * 2010-06-24 2011-12-29 Sb Limotive Company Ltd. Verfahren zur Feststellung wenigstens eines Zustandes einer Mehrzahl von Batteriezellen, Computerprogramm, Batterie und Kraftfahrzeug
US8872518B2 (en) 2010-06-25 2014-10-28 Atieva, Inc. Determining the state of-charge of batteries via selective sampling of extrapolated open circuit voltage
JP2012083283A (ja) 2010-10-14 2012-04-26 Yazaki Corp 複数組電池の電圧測定装置
US9354277B2 (en) * 2010-10-29 2016-05-31 Gm Global Technology Operatins Llc Apparatus of SOC estimation during plug-in charge mode
CN102466785A (zh) * 2010-11-09 2012-05-23 欣旺达电子股份有限公司 动力电池组单体电池电压差值的采集方法与采集装置
JP5786324B2 (ja) * 2010-11-17 2015-09-30 日産自動車株式会社 組電池の制御装置
JP2012202738A (ja) * 2011-03-24 2012-10-22 Toyota Motor Corp 電圧測定装置、電圧測定システム、電圧測定方法
CN103358926B (zh) * 2012-03-30 2016-12-28 拉碧斯半导体株式会社 电池监视系统以及半导体装置
JP5680769B2 (ja) * 2012-07-13 2015-03-04 パナソニックＩｐマネジメント株式会社 蓄電池システム及びその制御方法
US9091738B2 (en) * 2012-10-10 2015-07-28 GM Global Technology Operations LLC Vehicle battery pack cell voltage determination
WO2014157449A1 (ja) * 2013-03-29 2014-10-02 日本電気株式会社 充放電装置、充放電制御方法、及びプログラム
CN104714181B (zh) * 2013-12-11 2017-10-27 广州汽车集团股份有限公司 一种获取电压与电池荷电状态关系的方法和系统
JP2015155859A (ja) * 2014-02-21 2015-08-27 ソニー株式会社 電池残量推定装置、電池パック、蓄電装置、電動車両および電池残量推定方法
KR101578291B1 (ko) 2014-05-13 2015-12-16 엘에스산전 주식회사 Hvdc 시스템
CN104505550B (zh) * 2014-12-25 2017-01-18 宁德时代新能源科技股份有限公司 磷酸铁锂电池组的被动均衡方法及系统
JP6128155B2 (ja) * 2015-03-25 2017-05-17 トヨタ自動車株式会社 ハイブリッド自動車
US10830829B2 (en) 2015-05-08 2020-11-10 Volvo Truck Corporation Method for monitoring the status of a plurality of battery cells in a battery pack
KR101755798B1 (ko) * 2015-06-30 2017-07-07 현대자동차주식회사 친환경 차량의 배터리 충방전량 제어 장치 및 방법
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DE102016109074A1 (de) * 2016-05-18 2017-11-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren und Anordnung zum Laden einer Fahrzeugbatterie
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CN114509682B (zh) * 2021-12-27 2024-01-12 安徽锐能科技有限公司 锂电池soc估计算法的修正方法和存储介质
DE102023003855A1 (de) 2023-09-23 2025-03-27 Mercedes-Benz Group AG Batteriezellen-Spannungsmessung während Balancing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0915311A (ja) * 1995-06-26 1997-01-17 Japan Storage Battery Co Ltd 組電池の故障検出装置
JP2002334726A (ja) * 2001-05-09 2002-11-22 Nissan Motor Co Ltd 組電池の異常セル検出装置および異常セル検出方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439892B2 (enExample) * 1973-04-16 1979-11-30
GB2241342A (en) * 1990-02-22 1991-08-28 Sloan Power Electronics Ltd Battery charge indicator
US6060864A (en) * 1994-08-08 2000-05-09 Kabushiki Kaisha Toshiba Battery set structure and charge/discharge control apparatus for lithium-ion battery
JP3611905B2 (ja) * 1995-10-09 2005-01-19 松下電器産業株式会社 組蓄電池の充電制御方法
JP3733629B2 (ja) * 1995-12-08 2006-01-11 日産自動車株式会社 二次電池の温度制御装置
JP3934760B2 (ja) * 1997-11-17 2007-06-20 株式会社東芝 二次電池の電圧補正回路
TW472426B (en) * 1998-10-06 2002-01-11 Hitachi Ltd Battery apparatus and control system therefor
JP3865189B2 (ja) * 1999-12-16 2007-01-10 株式会社デンソー 自己発電型電気自動車用電池の制御方法
US7202634B2 (en) * 2001-08-17 2007-04-10 O2Micro International Limited Voltage mode, high accuracy battery charger
US6845332B2 (en) * 2001-11-16 2005-01-18 Toyota Jidosha Kabushiki Kaisha State of charge calculation device and state of charge calculation method
JP4097183B2 (ja) * 2001-12-27 2008-06-11 パナソニックＥｖエナジー株式会社 二次電池の残存容量推定方法および装置、並びに電池パックシステム
JP4097182B2 (ja) * 2001-12-27 2008-06-11 パナソニックＥｖエナジー株式会社 二次電池の分極電圧推定方法、二次電池の残存容量推定方法および装置、並びに電池パックシステム
JP2003243042A (ja) * 2002-02-12 2003-08-29 Toyota Motor Corp 組電池を構成するリチウム電池の劣化度検知装置および方法
JP2004032871A (ja) * 2002-06-25 2004-01-29 Shin Kobe Electric Mach Co Ltd 走行車両用電源システム
DE10236958B4 (de) * 2002-08-13 2006-12-07 Vb Autobatterie Gmbh & Co. Kgaa Verfahren zur Ermittlung der entnehmbaren Ladungsmenge einer Speicherbatterie und Überwachungseinrichtung für eine Speicherbatterie
GB0312303D0 (en) * 2003-05-29 2003-07-02 Yuasa Battery Uk Ltd Battery life monitor and battery state of charge monitor
JP4283615B2 (ja) * 2003-08-14 2009-06-24 パナソニックＥｖエナジー株式会社 二次電池の電圧補正方法および装置、並びに二次電池の残存容量推定方法および装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0915311A (ja) * 1995-06-26 1997-01-17 Japan Storage Battery Co Ltd 組電池の故障検出装置
JP2002334726A (ja) * 2001-05-09 2002-11-22 Nissan Motor Co Ltd 組電池の異常セル検出装置および異常セル検出方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1806592A1 (en) * 2005-12-29 2007-07-11 AMI Semiconductor Belgium BVBA Method and system for monitoring battery stacks
US7638979B2 (en) 2005-12-29 2009-12-29 Semiconductor Components Industries, L.L.C. Method and system for monitoring battery stacks comprising a controller for calculating a correction factor used to correct battery voltage measurements
US8258792B2 (en) 2009-05-11 2012-09-04 Semiconductor Components Industries, Llc. Monitoring system and method

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EP1679523A1 (en) 2006-07-12
CN100547427C (zh) 2009-10-07
EP1679523A4 (en) 2009-07-29
US20060273802A1 (en) 2006-12-07
JP2005062028A (ja) 2005-03-10
CN1836172A (zh) 2006-09-20
JP4283615B2 (ja) 2009-06-24
US7528575B2 (en) 2009-05-05

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