JP2022534442A - バッテリー退化度診断装置及び方法 - Google Patents
バッテリー退化度診断装置及び方法 Download PDFInfo
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- 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]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
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- 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
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- 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
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- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
- G01R31/388—Determining ampere-hour charge capacity or SoC involving voltage measurements
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- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- 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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- 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
-
- 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
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
Description
△V = Vn - Vref
10:バッテリーモジュール 100:バッテリー退化度診断装置
110:測定部
120:制御部
130:保存部
B1~B4:第1バッテリーセル~第4バッテリーセル
SL1~SL5:第1センシングライン~第5センシングライン
Claims (10)
- 放電及び充電が行われるサイクル毎に、複数のバッテリーセルのそれぞれの電圧を測定し、測定された複数の電圧に対する複数の電圧情報を出力するように構成された測定部と、
前記複数の電圧情報を受信し、前記複数のバッテリーセルのそれぞれの最初サイクルで測定された基準電圧を基準にしてそれぞれのバッテリーセルのサイクル毎の電圧偏差を算出し、前記複数のバッテリーセルのそれぞれに対して算出された複数の電圧偏差による電圧合算値に基づいて、前記複数のバッテリーセルの退化度を診断するように構成された制御部と、を含む、バッテリー退化度診断装置。 - 前記測定部は、
前記複数のバッテリーセルの放電が終了してから所定の時間が経過した測定時点における電圧を測定するように構成された、請求項1に記載のバッテリー退化度診断装置。 - 前記制御部は、
それぞれのバッテリーセルの前記最初サイクルで測定された電圧を前記基準電圧に設定し、それぞれのバッテリーセルの各サイクル毎に測定されたセル電圧と前記基準電圧との差を算出して前記電圧偏差を算出するように構成された、請求項2に記載のバッテリー退化度診断装置。 - 前記制御部は、
前記複数のバッテリーセルのそれぞれに対して算出された電圧合算値を互いに比較し、前記複数のバッテリーセルの退化度を診断するように構成された、請求項1から3のいずれか一項に記載のバッテリー退化度診断装置。 - 前記制御部は、
前記電圧合算値が大きいほどバッテリー退化度が大きいと診断するように構成された、請求項4に記載のバッテリー退化度診断装置。 - 前記制御部は、
前記サイクルを複数の単位区間に区画し、区画された複数の単位区間のそれぞれに属したサイクルに対応して算出された少なくとも一つの電圧偏差に基づいて、区画された前記複数の単位区間のそれぞれに対する単位合算値を算出し、同一単位区間に対応して算出された単位合算値同士を比較した結果に基づいて前記複数のバッテリーセルの前記複数の単位区間それぞれにおける退化度を診断するように構成された、請求項4または5に記載のバッテリー退化度診断装置。 - 前記制御部は、
前記複数のバッテリーセルのうちターゲットセルを選定し、前記複数の単位区間のそれぞれにおいて前記ターゲットセルに対応する単位合算値を算出し、前記ターゲットセルに対応するように算出された複数の単位合算値を互いに比較し、前記ターゲットセルの退化加速を診断するように構成された、請求項6に記載のバッテリー退化度診断装置。 - 前記制御部は、
前記サイクルが進行するほど前記単位合算値が大きくなれば、前記ターゲットセルの退化が加速していると診断するように構成された、請求項7に記載のバッテリー退化度診断装置。 - 請求項1から8のうちいずれか一項に記載のバッテリー退化度診断装置を含むバッテリーパック。
- 放電及び充電が行われるサイクル毎に、複数のバッテリーセルのそれぞれの電圧を測定する電圧測定段階と、
前記複数のバッテリーセルのそれぞれの最初サイクルで測定された基準電圧を基準にしてそれぞれのバッテリーセルのサイクル毎の電圧偏差を算出する電圧偏差算出段階と、
前記複数のバッテリーセルのそれぞれに対して算出された複数の電圧偏差による電圧合算値を算出する電圧合算値算出段階と、
前記電圧合算値算出段階で算出された電圧合算値に基づいて、前記複数のバッテリーセルの退化度を診断する退化度診断段階と、を含む、バッテリー退化度診断方法。
Applications Claiming Priority (3)
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KR10-2019-0132946 | 2019-10-24 | ||
KR1020190132946A KR20210048810A (ko) | 2019-10-24 | 2019-10-24 | 배터리 퇴화도 진단 장치 및 방법 |
PCT/KR2020/013690 WO2021080219A1 (ko) | 2019-10-24 | 2020-10-07 | 배터리 퇴화도 진단 장치 및 방법 |
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JP2022534442A true JP2022534442A (ja) | 2022-07-29 |
JP7205032B2 JP7205032B2 (ja) | 2023-01-17 |
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US (1) | US20220317197A1 (ja) |
EP (1) | EP3998489A4 (ja) |
JP (1) | JP7205032B2 (ja) |
KR (1) | KR20210048810A (ja) |
CN (1) | CN114207454B (ja) |
WO (1) | WO2021080219A1 (ja) |
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KR20240040991A (ko) * | 2022-09-22 | 2024-03-29 | 주식회사 엘지에너지솔루션 | 배터리 장기 시험 분석 장치 및 방법 |
KR20240062037A (ko) * | 2022-11-01 | 2024-05-08 | 주식회사 엘지에너지솔루션 | 배터리 진단 장치 및 방법 |
WO2024128769A1 (ko) * | 2022-12-12 | 2024-06-20 | 주식회사 엘지에너지솔루션 | 배터리 진단 장치 및 방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004132899A (ja) * | 2002-10-11 | 2004-04-30 | Furukawa Electric Co Ltd:The | 蓄電池の劣化判定方法および装置 |
JP2009162750A (ja) * | 2007-12-13 | 2009-07-23 | Panasonic Corp | リチウム二次電池の寿命推定方法と劣化抑制方法、寿命推定器と劣化抑制器、それを用いた電池パック、充電器 |
US20120274281A1 (en) * | 2010-12-29 | 2012-11-01 | Lg Chem, Ltd. | Apparatus and method for managing battery pack by reflecting degradation degree of secondary cells and battery pack having the same |
JP2013247773A (ja) * | 2012-05-25 | 2013-12-09 | Toyota Motor Corp | 蓄電システムおよび断線判別方法 |
JP2018120758A (ja) * | 2017-01-25 | 2018-08-02 | 三菱自動車工業株式会社 | リチウムイオン電池及びリチウムイオン電池システム |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3430600B2 (ja) * | 1993-12-24 | 2003-07-28 | 新神戸電機株式会社 | 蓄電池の劣化状態推定方法及び装置 |
JP3539412B2 (ja) * | 2001-08-09 | 2004-07-07 | 日産自動車株式会社 | 組電池の異常検出装置 |
KR101187766B1 (ko) * | 2008-08-08 | 2012-10-05 | 주식회사 엘지화학 | 배터리 셀의 전압 변화 거동을 이용한 셀 밸런싱 장치 및 방법 |
JP5586219B2 (ja) * | 2009-12-25 | 2014-09-10 | 株式会社東芝 | 診断装置、電池パック及び電池価値指標の製造方法 |
US9435866B2 (en) * | 2010-04-09 | 2016-09-06 | Toyota Jidosha Kabushiki Kaisha | Device and method for determining deterioration of secondary battery |
CN102893170B (zh) * | 2010-04-23 | 2015-07-22 | 株式会社日立制作所 | 电池组和电池组的控制装置 |
JP5395006B2 (ja) * | 2010-07-22 | 2014-01-22 | 株式会社日立製作所 | 電池制御システムとその制御方法並びに電池システム |
WO2012148070A1 (ko) * | 2011-04-25 | 2012-11-01 | 주식회사 엘지화학 | 배터리 용량 퇴화 추정 장치 및 방법 |
JP2013096752A (ja) * | 2011-10-28 | 2013-05-20 | Sanyo Electric Co Ltd | パック電池の異常判定方法及びパック電池 |
US20140278169A1 (en) * | 2013-03-12 | 2014-09-18 | Samsung Sdi Co., Ltd. | Apparatus for predicting state of health of battery pack by using discrete wavelet transform |
FR3009093B1 (fr) * | 2013-07-29 | 2017-01-13 | Renault Sa | Estimation de l'etat de vieillissement d'une batterie electrique |
US9411019B2 (en) * | 2013-12-16 | 2016-08-09 | Automotive Research & Testing Center | Method and system for estimating state of health of battery set |
KR101572494B1 (ko) * | 2014-01-14 | 2015-11-27 | (주)아이비티 | 배터리팩의 수명 추정 장치 |
JP6161133B2 (ja) * | 2015-07-02 | 2017-07-12 | 学校法人同志社 | データ抽出装置、データ抽出方法およびデータ抽出プログラム |
KR101882287B1 (ko) | 2016-12-09 | 2018-07-26 | 주식회사 효성 | 배터리 수명 추정 방법 및 장치 |
KR102055850B1 (ko) * | 2017-12-21 | 2019-12-13 | 주식회사 엘지화학 | 전류 센서 진단 장치 및 방법 |
US11703547B2 (en) * | 2018-04-03 | 2023-07-18 | Maxim Integrated Products, Inc. | Software-configurable battery management systems and methods |
CN108226809A (zh) * | 2018-04-13 | 2018-06-29 | 淮阴工学院 | 一种多模型并用的电池soc估算方法 |
US10676137B2 (en) | 2018-05-21 | 2020-06-09 | Bollinger Motors, LLC | Automotive vehicle body |
KR20210074003A (ko) * | 2019-12-11 | 2021-06-21 | 주식회사 엘지에너지솔루션 | 배터리 퇴화도 진단 장치 및 방법 |
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- 2020-10-07 JP JP2021571999A patent/JP7205032B2/ja active Active
- 2020-10-07 WO PCT/KR2020/013690 patent/WO2021080219A1/ko unknown
- 2020-10-07 EP EP20878781.2A patent/EP3998489A4/en active Pending
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004132899A (ja) * | 2002-10-11 | 2004-04-30 | Furukawa Electric Co Ltd:The | 蓄電池の劣化判定方法および装置 |
JP2009162750A (ja) * | 2007-12-13 | 2009-07-23 | Panasonic Corp | リチウム二次電池の寿命推定方法と劣化抑制方法、寿命推定器と劣化抑制器、それを用いた電池パック、充電器 |
US20120274281A1 (en) * | 2010-12-29 | 2012-11-01 | Lg Chem, Ltd. | Apparatus and method for managing battery pack by reflecting degradation degree of secondary cells and battery pack having the same |
JP2013247773A (ja) * | 2012-05-25 | 2013-12-09 | Toyota Motor Corp | 蓄電システムおよび断線判別方法 |
JP2018120758A (ja) * | 2017-01-25 | 2018-08-02 | 三菱自動車工業株式会社 | リチウムイオン電池及びリチウムイオン電池システム |
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EP3998489A4 (en) | 2022-08-10 |
CN114207454B (zh) | 2023-06-20 |
KR20210048810A (ko) | 2021-05-04 |
US20220317197A1 (en) | 2022-10-06 |
CN114207454A (zh) | 2022-03-18 |
EP3998489A1 (en) | 2022-05-18 |
WO2021080219A1 (ko) | 2021-04-29 |
JP7205032B2 (ja) | 2023-01-17 |
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