WO2016068652A3 - 개방전압 추정 장치 및 방법 - Google Patents

개방전압 추정 장치 및 방법 Download PDF

Info

Publication number
WO2016068652A3
WO2016068652A3 PCT/KR2015/011590 KR2015011590W WO2016068652A3 WO 2016068652 A3 WO2016068652 A3 WO 2016068652A3 KR 2015011590 W KR2015011590 W KR 2015011590W WO 2016068652 A3 WO2016068652 A3 WO 2016068652A3
Authority
WO
WIPO (PCT)
Prior art keywords
open circuit
current
time
circuit voltage
unit
Prior art date
Application number
PCT/KR2015/011590
Other languages
English (en)
French (fr)
Other versions
WO2016068652A2 (ko
Inventor
윤성열
박정석
오경진
조영보
Original Assignee
주식회사 엘지화학
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 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to CN201580033536.6A priority Critical patent/CN106471386B/zh
Priority to EP15855064.0A priority patent/EP3141919B1/en
Priority to US15/315,583 priority patent/US10018683B2/en
Publication of WO2016068652A2 publication Critical patent/WO2016068652A2/ko
Publication of WO2016068652A3 publication Critical patent/WO2016068652A3/ko

Links

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]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/003—Measuring mean values of current or voltage during a given time interval
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/175—Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero
    • 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]
    • 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
    • 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
    • G01R31/3828—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration
    • 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
    • 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
    • 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
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
    • 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

Abstract

본 발명은 배터리 셀이 정지 시간을 가지지 않는 경우에도 개방전압을 추정할 수 있는 개방전압 추정 장치를 개시한다. 본 발명의 일 실시예에 따른 개방전압 추정 장치는, 배터리 셀의 충방전 전류를 측정하는 전류측정부; 상기 전류측정부가 측정한 전류를 초기시간부터 적산하는 전류적산부; 상기 전류적산부가 적산한 전류적산값이 임계범위내에 속할 때의 시간인 임계시간을 산출하는 시간산출부; 상기 배터리 셀의 전압을 측정하는 셀전압측정부; 및 상기 초기시간부터 상기 임계시간까지의 연산시간 동안 상기 셀전압측정부가 측정한 전압의 평균값을 산출하여 상기 배터리 셀의 개방전압을 추정하는 개방전압추정부;를 포함하는 것을 특징으로 한다.
PCT/KR2015/011590 2014-10-31 2015-10-30 개방전압 추정 장치 및 방법 WO2016068652A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201580033536.6A CN106471386B (zh) 2014-10-31 2015-10-30 估计开路电压的设备和方法
EP15855064.0A EP3141919B1 (en) 2014-10-31 2015-10-30 Apparatus and method for estimating open circuit voltage
US15/315,583 US10018683B2 (en) 2014-10-31 2015-10-30 Apparatus and method for estimating open circuit voltage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140150328A KR101783919B1 (ko) 2014-10-31 2014-10-31 개방전압 추정 장치 및 방법
KR10-2014-0150328 2014-10-31

Publications (2)

Publication Number Publication Date
WO2016068652A2 WO2016068652A2 (ko) 2016-05-06
WO2016068652A3 true WO2016068652A3 (ko) 2016-06-23

Family

ID=55858500

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/011590 WO2016068652A2 (ko) 2014-10-31 2015-10-30 개방전압 추정 장치 및 방법

Country Status (5)

Country Link
US (1) US10018683B2 (ko)
EP (1) EP3141919B1 (ko)
KR (1) KR101783919B1 (ko)
CN (1) CN106471386B (ko)
WO (1) WO2016068652A2 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108702004B (zh) * 2016-03-01 2022-05-03 沃尔沃卡车集团 用于控制馈送到电池组的电流的方法和系统
KR102066702B1 (ko) * 2017-01-02 2020-03-02 주식회사 엘지화학 배터리 관리 장치 및 이를 이용한 soc 캘리브레이션 방법
KR101998069B1 (ko) * 2017-06-23 2019-07-09 이정환 전기자동차용 배터리의 열화 발생을 저감하면서 고속충전과 최대방전을 수행하기 위한 방법 및 그 장치
KR102236384B1 (ko) 2017-10-27 2021-04-05 주식회사 엘지화학 배터리 밸런싱을 위한 장치 및 그것을 포함하는 배터리팩
KR102055850B1 (ko) * 2017-12-21 2019-12-13 주식회사 엘지화학 전류 센서 진단 장치 및 방법
KR102244140B1 (ko) * 2017-12-21 2021-04-22 주식회사 엘지화학 배터리의 충전 상태를 캘리브레이션하기 위한 방법 및 배터리 관리 시스템
KR102458526B1 (ko) 2018-02-07 2022-10-25 주식회사 엘지에너지솔루션 배터리의 동작 상태에 따라 soc를 추정하는 장치 및 방법
CN109148981B (zh) * 2018-07-13 2020-05-08 东软集团股份有限公司 确定电池开路电压的方法、装置、存储介质及电子设备
KR102443667B1 (ko) * 2018-10-26 2022-09-14 주식회사 엘지에너지솔루션 밸런싱 장치, 및 그것을 포함하는 배터리 관리 시스템과 배터리팩

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006015896A (ja) * 2004-07-02 2006-01-19 Shin Kobe Electric Mach Co Ltd 劣化度推定方法及び劣化度推定装置
JP2007040991A (ja) * 2005-07-29 2007-02-15 Samsung Sdi Co Ltd 電池管理システム及びその駆動方法
JP2012132726A (ja) * 2010-12-20 2012-07-12 Daimler Ag バッテリの内部抵抗算出方法及び同内部抵抗算出装置
JP2012202851A (ja) * 2011-03-25 2012-10-22 Nec Energy Devices Ltd 劣化測定装置、二次電池パック、劣化測定方法、およびプログラム
KR20140125473A (ko) * 2013-04-18 2014-10-29 삼성에스디아이 주식회사 배터리 관리 시스템 및 그 구동방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3121732B2 (ja) * 1994-11-04 2001-01-09 三菱電機株式会社 二次電池のパラメータ測定方法ならびにそれを用いた二次電池の充放電制御方法および寿命予測方法、ならびに、二次電池の充放電制御装置およびそれを用いた電力貯蔵装置
JP2002189066A (ja) * 2000-12-22 2002-07-05 Hitachi Ltd 二次電池残量推定法
US7233128B2 (en) * 2004-07-30 2007-06-19 Ford Global Technologies, Llc Calculation of state of charge offset using a closed integral method
US7630842B2 (en) * 2005-01-27 2009-12-08 Panasonic Ev Energy Co., Ltd. Secondary battery charge/discharge electricity amount estimation method and device, secondary battery polarization voltage estimation method and device and secondary battery remaining capacity estimation method and device
JP5077513B2 (ja) 2005-12-26 2012-11-21 スズキ株式会社 車両用バッテリの開放電圧推定装置
KR100985667B1 (ko) 2007-08-22 2010-10-05 주식회사 엘지화학 배터리 개방전압 추정장치, 이를 이용한 배터리 충전상태추정장치 및 그 제어 방법
JP5318128B2 (ja) 2011-01-18 2013-10-16 カルソニックカンセイ株式会社 バッテリの充電率推定装置
WO2012122250A1 (en) * 2011-03-07 2012-09-13 A123 Systems, Inc. Method for opportunistically balancing charge between battery cells
JP5866987B2 (ja) 2011-11-10 2016-02-24 日産自動車株式会社 二次電池の制御装置およびｓｏｃ検出方法
JP5911407B2 (ja) * 2012-09-18 2016-04-27 カルソニックカンセイ株式会社 バッテリの健全度算出装置および健全度算出方法
JP5673654B2 (ja) * 2012-11-16 2015-02-18 トヨタ自動車株式会社 蓄電システムおよび満充電容量算出方法
KR20150029204A (ko) * 2013-09-09 2015-03-18 삼성에스디아이 주식회사 배터리 팩, 배터리 팩을 포함하는 장치, 및 배터리 팩의 관리 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006015896A (ja) * 2004-07-02 2006-01-19 Shin Kobe Electric Mach Co Ltd 劣化度推定方法及び劣化度推定装置
JP2007040991A (ja) * 2005-07-29 2007-02-15 Samsung Sdi Co Ltd 電池管理システム及びその駆動方法
JP2012132726A (ja) * 2010-12-20 2012-07-12 Daimler Ag バッテリの内部抵抗算出方法及び同内部抵抗算出装置
JP2012202851A (ja) * 2011-03-25 2012-10-22 Nec Energy Devices Ltd 劣化測定装置、二次電池パック、劣化測定方法、およびプログラム
KR20140125473A (ko) * 2013-04-18 2014-10-29 삼성에스디아이 주식회사 배터리 관리 시스템 및 그 구동방법

Also Published As

Publication number Publication date
US20170199250A1 (en) 2017-07-13
KR20160051007A (ko) 2016-05-11
CN106471386A (zh) 2017-03-01
EP3141919A2 (en) 2017-03-15
KR101783919B1 (ko) 2017-10-10
US10018683B2 (en) 2018-07-10
CN106471386B (zh) 2019-03-19
EP3141919B1 (en) 2020-09-16
EP3141919A4 (en) 2018-01-10
WO2016068652A2 (ko) 2016-05-06

Similar Documents

Publication Publication Date Title
WO2016068652A3 (ko) 개방전압 추정 장치 및 방법
EP2728368A3 (en) Condition estimation device and method for battery
EP2990818A3 (en) Secondary battery capacity measurement system and secondary battery capacity measurement method
EP2770337A3 (en) State of charge estimation device and method of estimating state of charge
EP2700964A3 (en) Battery state estimation system, battery control system, battery system, and battery state estimation method
GB201820073D0 (en) Vehicle battery monitoring
MY162920A (en) Battery state estimating device and battery state estimating method
WO2015011570A3 (en) Charger for an electronic cigarette
MY188579A (en) Parking space line detection method and device
WO2015084651A3 (en) Method and device for path-loss estimation
EP2933649A3 (en) Model-independent battery life and performance forecaster
MX2012002807A (es) Dispositivo de estimacion de estado de bateria y metodo de estimacion de estado de bateria.
FR3029296B1 (fr) Procede automatique d'estimation de l'etat de charge d'une cellule d'une batterie
EP3214455A4 (en) Method and system for monitoring state of charge (soc) of flow battery system, flow battery based on redundancy design of soc detection device, method and device for determining actual capacity of flow battery, and method and system for estimating input-output characteristic of flow battery alternating current side
MX2015008638A (es) Aparato y metodo para estimar degradacion de dispositivo de almacenamiento electrico.
EP2940780A3 (en) Battery management apparatus
EP2889633A3 (en) Battery deterioration determining apparatus for electric vehicle and method thereof
WO2015036827A8 (en) Charging system of in-vehicle battery and charging method of in-vehicle battery
FR3029298B1 (fr) Procede automatique d'estimation de l'etat de charge d'une cellule d'une batterie
MY184261A (en) Battery control system and vehicle control system
WO2015193398A3 (en) Improved battery testing device
EP3351952A4 (en) Charging/discharging current estimation device
RU2015141015A (ru) Способ зарядки стартерной аккумуляторной батареи транспортного средства
FR3029297B1 (fr) Procede automatique d'estimation de l'etat de charge d'une cellule d'une batterie
EP2664938A3 (en) Open circuit voltage estimation device, condition estimation device, and method of estimating open circuit voltage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15855064

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 15315583

Country of ref document: US

REEP Request for entry into the european phase

Ref document number: 2015855064

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2015855064

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE