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WO2016068652A3 - 개방전압 추정 장치 및 방법 - Google Patents

개방전압 추정 장치 및 방법 Download PDF

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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
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WO
WIPO (PCT)
Prior art keywords
open circuit
current
time
circuit voltage
unit
Prior art date
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Ceased
Application number
PCT/KR2015/011590
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English (en)
French (fr)
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WO2016068652A2 (ko
Inventor
윤성열
박정석
오경진
조영보
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LG Chem Ltd
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LG Chem Ltd
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Publication date
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Priority to US15/315,583 priority Critical patent/US10018683B2/en
Priority to EP15855064.0A priority patent/EP3141919B1/en
Priority to CN201580033536.6A priority patent/CN106471386B/zh
Publication of WO2016068652A2 publication Critical patent/WO2016068652A2/ko
Publication of WO2016068652A3 publication Critical patent/WO2016068652A3/ko
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]
    • G01R31/3644—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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Secondary Cells (AREA)
  • Measurement Of Current Or Voltage (AREA)

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 Ceased WO2016068652A2 (ko)

Priority Applications (3)

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

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

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/011590 Ceased 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)

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EP3424123B1 (en) * 2016-03-01 2022-08-03 Volvo Truck Corporation A method and system for controlling a current being fed to a battery pack
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
CN112698225B (zh) 2019-10-22 2022-05-13 华为技术有限公司 一种电池容量跟踪方法、装置及电子设备
KR102786688B1 (ko) * 2020-07-24 2025-03-25 주식회사 엘지에너지솔루션 이상 셀 진단 방법 및 이를 적용한 배터리 시스템
CN113708449B (zh) * 2021-08-24 2024-12-24 绵阳天仪空间科技有限公司 一种卫星蓄电池模块系统
KR102716915B1 (ko) * 2023-04-21 2024-10-15 대흥시스텍주식회사 이차전지용 임피던스 및 개방전압 측정장치

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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
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Also Published As

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

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