JP7301850B2 - 電気バッテリの欠陥セルを検出する方法 - Google Patents
電気バッテリの欠陥セルを検出する方法 Download PDFInfo
- Publication number
- JP7301850B2 JP7301850B2 JP2020538032A JP2020538032A JP7301850B2 JP 7301850 B2 JP7301850 B2 JP 7301850B2 JP 2020538032 A JP2020538032 A JP 2020538032A JP 2020538032 A JP2020538032 A JP 2020538032A JP 7301850 B2 JP7301850 B2 JP 7301850B2
- Authority
- JP
- Japan
- Prior art keywords
- cells
- battery pack
- cell
- load voltage
- defective
- 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.)
- Active
Links
Images
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]
- G01R31/396—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
- 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]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling 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
- G01R19/10—Measuring sum, difference or ratio
-
- 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
-
- 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
-
- 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
- G01R31/3646—Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators
-
- 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]
- G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
-
- 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
- G01R31/3835—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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- 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
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Description
バッテリパックの各セルの端子間の無負荷電圧を測定するステップと、
前記セルの端子間で測定した前記無負荷電圧とバッテリパックを使用しない日数に応じて把握される平均無負荷電圧との偏差を計算するステップと、
計算した前記偏差と変数n.σとの差を計算するステップであって、nが1以上の整数であり、σがバッテリパックを使用しない日数に応じて決まる既知の標準偏差である、計算した前記偏差と変数n.σとの差を計算するステップと、
前記差がゼロより大きい場合に、異常セルを検出するステップと、
を含む。
σ≧10mVの場合に、n=4であるのが好ましい。
σ≧20mVの場合に、n=3であるのが好都合である。
バッテリパックの各セルの端子間の電圧を測定するステップと、
前記セルそれぞれのSOCを推定するステップと、
最大充電セルと最小充電セルとのSOC差を決定するステップと、
この差が所定の値(たとえば、20%に等しくてもよいし、30%に等しくてもよい)以上である場合に、欠陥セルを検出するステップと、
を含む。
バッテリパックの各セルの端子間の無負荷電圧を測定するステップと、
前記セルの端子間で測定した無負荷電圧とバッテリを使用しない日数に応じて把握される平均無負荷電圧との偏差を計算するステップと、
前記計算した偏差と変数n.σとの差を計算するステップであり、nが1以上の整数、σがバッテリを使用しない日数に応じて決まる既知の標準偏差である、前記計算した偏差と変数n.σとの差を計算するステップと、
前記差がゼロより大きい場合に、異常セルを検出するステップと、
を含む。
σ>5mVの場合は、nが6に設定されるようになっていてもよいし、
σ>10mVの場合は、nが4に設定されるようになっていてもよいし、
σ>20mVの場合は、nが3に設定されるようになっていてもよい。
Claims (10)
- 電気バッテリパックの異常セルを検出する方法であって、
前記バッテリパックの各セルの端子間の無負荷電圧を測定するステップと、
前記セルの端子間で測定した前記無負荷電圧と前記バッテリパックを使用しない日数に応じて決まる既知の平均無負荷電圧との偏差を計算するステップと、
計算した前記偏差と変数n.σとの差を計算するステップであって、nが1以上の整数であり、σが前記バッテリパックを使用しない日数に応じて決まる既知の標準偏差である、計算した前記偏差と変数n.σとの差を計算するステップと、
前記差がゼロより大きい場合に、異常セルを検出するステップと、
を含むことを特徴とする、方法。 - nが、2から10の整数であることを特徴とする、請求項1に記載の方法。
- 異常セルが検出された場合の警報ステップを含むことを特徴とする、請求項1または2に記載の方法。
- 前記警報ステップが、当該方法を実行する人物に見える視覚信号を使用することを特徴とする、請求項3に記載の方法。
- 前記警報ステップが、当該方法を実行する人物に聞こえる音声信号を使用することを特徴とする、請求項3に記載の方法。
- 少なくとも1つの異常セルが検出された場合に前記バッテリパックの再充電を防止するステップを実行することを特徴とする、請求項1から5のいずれか一項に記載の方法。
- σ≧5mVの場合に、n=6であることを特徴とする、請求項1から6のいずれか一項に記載の方法。
- σ≧10mVの場合に、n=4であることを特徴とする、請求項1から6のいずれか一項に記載の方法。
- σ≧20mVの場合に、n=3であることを特徴とする、請求項1から6のいずれか一項に記載の方法。
- 異常セルの検出時に自律性の喪失を表示するステップを含むことを特徴とする、請求項1から9のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1850345 | 2018-01-16 | ||
FR1850345A FR3076908B1 (fr) | 2018-01-16 | 2018-01-16 | Procede de detection d'une cellule defaillante dans une batterie electrique |
PCT/EP2019/050970 WO2019141688A1 (fr) | 2018-01-16 | 2019-01-15 | Procede de detection d'une cellule defaillante dans une batterie electrique |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021511767A JP2021511767A (ja) | 2021-05-06 |
JP7301850B2 true JP7301850B2 (ja) | 2023-07-03 |
Family
ID=62749063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020538032A Active JP7301850B2 (ja) | 2018-01-16 | 2019-01-15 | 電気バッテリの欠陥セルを検出する方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11977127B2 (ja) |
EP (1) | EP3740773B1 (ja) |
JP (1) | JP7301850B2 (ja) |
KR (1) | KR20200108869A (ja) |
CN (1) | CN111602065A (ja) |
FR (1) | FR3076908B1 (ja) |
WO (1) | WO2019141688A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3076908B1 (fr) * | 2018-01-16 | 2021-01-01 | Renault Sas | Procede de detection d'une cellule defaillante dans une batterie electrique |
CN111007405B (zh) * | 2019-11-29 | 2022-01-21 | 广东电网有限责任公司 | 一种电池在线运行数量的检测方法及检测装置 |
CN114274777B (zh) * | 2021-12-15 | 2023-06-02 | 重庆长安新能源汽车科技有限公司 | 一种电池异常监控方法、系统及车辆 |
CN114460470A (zh) * | 2022-01-26 | 2022-05-10 | 上海玫克生智能科技有限公司 | 基于电压的电池组状态分析方法、系统及终端 |
DE102022204894A1 (de) * | 2022-05-17 | 2023-11-23 | Volkswagen Aktiengesellschaft | Verfahren und Vorrichtung zur Fehlerüberwachung eines Batteriepacks mit mehreren Batteriezellen |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007113953A (ja) | 2005-10-18 | 2007-05-10 | Panasonic Ev Energy Co Ltd | 二次電池用の制御装置及び二次電池の劣化判定方法 |
JP2012060803A (ja) | 2010-09-10 | 2012-03-22 | Hitachi Vehicle Energy Ltd | 電池コントローラ及び電圧異常検出方法 |
JP2012098212A (ja) | 2010-11-04 | 2012-05-24 | Mitsubishi Heavy Ind Ltd | 電池異常予見システム |
JP2013160582A (ja) | 2012-02-03 | 2013-08-19 | Ntt Facilities Inc | 組電池システムおよび組電池システムの管理方法 |
WO2015037292A1 (ja) | 2013-09-12 | 2015-03-19 | 日立オートモティブシステムズ株式会社 | 電動車両の回転電機駆動システム、バッテリシステムおよび回転電機制御装置 |
Family Cites Families (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3750318B2 (ja) * | 1997-11-14 | 2006-03-01 | 日産自動車株式会社 | モジュール充放電器 |
DE10021161A1 (de) * | 2000-04-29 | 2001-10-31 | Vb Autobatterie Gmbh | Verfahren zur Ermittlung des Ladezustands und der Belastbarkeit eines elektrischen Akkumulators |
US6417648B2 (en) * | 2000-06-28 | 2002-07-09 | Nissan Motor Co., Ltd. | Method of and apparatus for implementing capacity adjustment in battery pack |
JP3624800B2 (ja) * | 2000-06-28 | 2005-03-02 | 日産自動車株式会社 | 組電池の容量調整方法 |
JP4019815B2 (ja) * | 2002-06-26 | 2007-12-12 | 日産自動車株式会社 | 組電池の異常診断装置および方法 |
US7671398B2 (en) * | 2005-02-23 | 2010-03-02 | Tran Bao Q | Nano memory, light, energy, antenna and strand-based systems and methods |
US7567086B2 (en) * | 2005-12-09 | 2009-07-28 | Gm Global Technology Operations, Inc. | Method and article of manufacture for monitoring state of health of an electrical energy storage device |
US7598706B2 (en) * | 2007-01-26 | 2009-10-06 | General Electric Company | Cell balancing battery pack and method of balancing the cells of a battery |
US7639019B2 (en) * | 2007-04-06 | 2009-12-29 | Volkswagen Of America, Inc. | Method and configuration for monitoring a vehicle battery |
US9366732B2 (en) * | 2009-09-04 | 2016-06-14 | Board Of Regents, The University Of Texas System | Estimation of state-of-health in batteries |
JP5633227B2 (ja) * | 2009-10-14 | 2014-12-03 | ソニー株式会社 | 電池パックおよび電池パックの劣化度検出方法 |
US8332342B1 (en) | 2009-11-19 | 2012-12-11 | The United States of America as represented by the Administrator of the National Aeronautics & Space Administration (NASA) | Model-based prognostics for batteries which estimates useful life and uses a probability density function |
EP2518522B1 (en) * | 2009-12-25 | 2018-08-29 | Toyota Jidosha Kabushiki Kaisha | Battery pack failure detection device |
US10536007B2 (en) * | 2011-03-05 | 2020-01-14 | Powin Energy Corporation | Battery energy storage system and control system and applications thereof |
WO2014088325A1 (ko) * | 2012-12-04 | 2014-06-12 | 주식회사 엘지화학 | 이차 전지의 방전 심도 추정 장치 및 방법 |
WO2014098837A1 (en) * | 2012-12-19 | 2014-06-26 | Schneider Electric USA, Inc. | Battery voltage profile monitoring during generator start |
US9085238B2 (en) * | 2013-01-11 | 2015-07-21 | Johnson Controls Technology Company | Energy storage control system and method |
KR20140121645A (ko) * | 2013-04-08 | 2014-10-16 | 콘티넨탈 오토모티브 시스템 주식회사 | 자동차의 배터리 관리 시스템 및 방법 |
US9205750B2 (en) * | 2013-07-23 | 2015-12-08 | Ford Global Technologies, Llc | Method to estimate battery open-circuit voltage based on transient resistive effects |
FR3010532B1 (fr) * | 2013-09-11 | 2017-06-09 | Commissariat Energie Atomique | Procede, dispositif et systeme d'estimation de l'etat de charge d'une batterie |
US20150349385A1 (en) * | 2014-04-01 | 2015-12-03 | Medtronic, Inc. | Method and System for Predicting Useful Life of a Rechargeable Battery |
KR101779245B1 (ko) * | 2014-06-17 | 2017-09-26 | 주식회사 엘지화학 | 이차 전지의 불량 검출 시스템 및 검출 방법 |
GB2528290A (en) * | 2014-07-16 | 2016-01-20 | John Leslie Gordon Hardy | Battery management |
DE102014221272A1 (de) * | 2014-10-21 | 2016-04-21 | Robert Bosch Gmbh | Überwachungseinrichtung für eine Batterie, eine Lithium-Ionen-Batterie sowie Verfahren zur Überwachung einer Batterie |
FR3029315B1 (fr) * | 2014-11-28 | 2016-12-09 | Renault Sa | Procede automatique d'estimation de la capacite d'une cellule d'une batterie |
FR3030769B1 (fr) * | 2014-12-22 | 2018-02-02 | Renault S.A.S. | Procede d'estimation de grandeurs physiques caracteristiques d'une batterie electrique |
US10578677B2 (en) * | 2015-06-30 | 2020-03-03 | Zoll Medical Corporation | Systems and methods for monitoring battery life status |
US9925888B2 (en) * | 2016-03-02 | 2018-03-27 | Ford Global Technologies, Llc | Battery cell state of charge initialization in a presence of voltage measurement uncertainty |
JP6789046B2 (ja) * | 2016-09-21 | 2020-11-25 | ローム株式会社 | リチャージャブルバッテリの残量検出回路、それを用いた電子機器、自動車ならびに充電状態の検出方法 |
CN107256987B (zh) * | 2017-06-06 | 2019-07-09 | 江西优特汽车技术有限公司 | 一种动力电池微短路检测方法 |
US10293747B2 (en) * | 2017-09-22 | 2019-05-21 | Ford Global Technologies, Llc | Systems and methods for vehicle battery leak detection and mitigation |
FR3076908B1 (fr) * | 2018-01-16 | 2021-01-01 | Renault Sas | Procede de detection d'une cellule defaillante dans une batterie electrique |
US20190308630A1 (en) * | 2018-04-10 | 2019-10-10 | GM Global Technology Operations LLC | Battery state estimation based on open circuit voltage and calibrated data |
KR102606004B1 (ko) * | 2018-07-26 | 2023-11-27 | 삼성전자주식회사 | 전자 장치 및 그 배터리 관리 방법 |
KR102465294B1 (ko) * | 2019-01-23 | 2022-11-08 | 주식회사 엘지에너지솔루션 | 배터리 관리 장치, 배터리 관리 방법 및 배터리팩 |
KR102465373B1 (ko) * | 2019-01-23 | 2022-11-08 | 주식회사 엘지에너지솔루션 | 배터리 관리 장치, 배터리 관리 방법 및 배터리팩 |
KR20200097170A (ko) * | 2019-02-07 | 2020-08-18 | 주식회사 엘지화학 | 배터리 관리 장치, 배터리 관리 방법 및 배터리팩 |
KR20200102927A (ko) * | 2019-02-22 | 2020-09-01 | 주식회사 엘지화학 | 배터리 관리 시스템, 배터리 관리 방법, 배터리 팩 및 전기 차량 |
US11424635B2 (en) * | 2020-04-27 | 2022-08-23 | GM Global Technology Operations LLC | Battery state estimation using injected current oscillation |
US11653127B2 (en) * | 2020-06-10 | 2023-05-16 | Bridgestone Mobility Solutions B.V. | Monitoring voltage measurements for a vehicle battery |
DE102020118418A1 (de) * | 2020-07-13 | 2022-01-13 | Duesenfeld Gmbh | Akkumulator-Entladevorrichtung zum Entladen von Akkumulatoren und Verfahren zum Entladen einer Mehrzahl an Akkumulatoren |
US11333712B2 (en) * | 2020-08-28 | 2022-05-17 | Sparkcognttion, Inc. | Battery failure prediction |
WO2022251026A2 (en) * | 2021-05-28 | 2022-12-01 | Gentherm Gmbh | Optimizing performance of electric vehicles using predictive battery analysis |
DE102021123978A1 (de) * | 2021-09-16 | 2023-03-16 | Audi Aktiengesellschaft | Verfahren zum Bestimmen eines Ladezustands einer Antriebsbatterie sowie Antriebsbatterie für ein Kraftfahrzeug |
DE102021214161A1 (de) * | 2021-12-10 | 2023-06-15 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren und Vorrichtung zum Bereitstellen eines Alterungszustands für eine Gerätebatterie mit Korrektur von Zustandsbeobachtungen auf Basis systematischer Zustands- und Umgebungseinflüsse |
-
2018
- 2018-01-16 FR FR1850345A patent/FR3076908B1/fr active Active
-
2019
- 2019-01-15 US US16/961,865 patent/US11977127B2/en active Active
- 2019-01-15 CN CN201980008212.5A patent/CN111602065A/zh active Pending
- 2019-01-15 KR KR1020207022934A patent/KR20200108869A/ko not_active Application Discontinuation
- 2019-01-15 WO PCT/EP2019/050970 patent/WO2019141688A1/fr unknown
- 2019-01-15 JP JP2020538032A patent/JP7301850B2/ja active Active
- 2019-01-15 EP EP19700507.7A patent/EP3740773B1/fr active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007113953A (ja) | 2005-10-18 | 2007-05-10 | Panasonic Ev Energy Co Ltd | 二次電池用の制御装置及び二次電池の劣化判定方法 |
JP2012060803A (ja) | 2010-09-10 | 2012-03-22 | Hitachi Vehicle Energy Ltd | 電池コントローラ及び電圧異常検出方法 |
JP2012098212A (ja) | 2010-11-04 | 2012-05-24 | Mitsubishi Heavy Ind Ltd | 電池異常予見システム |
JP2013160582A (ja) | 2012-02-03 | 2013-08-19 | Ntt Facilities Inc | 組電池システムおよび組電池システムの管理方法 |
WO2015037292A1 (ja) | 2013-09-12 | 2015-03-19 | 日立オートモティブシステムズ株式会社 | 電動車両の回転電機駆動システム、バッテリシステムおよび回転電機制御装置 |
Also Published As
Publication number | Publication date |
---|---|
EP3740773A1 (fr) | 2020-11-25 |
JP2021511767A (ja) | 2021-05-06 |
FR3076908B1 (fr) | 2021-01-01 |
EP3740773B1 (fr) | 2023-05-17 |
KR20200108869A (ko) | 2020-09-21 |
US20200363478A1 (en) | 2020-11-19 |
CN111602065A (zh) | 2020-08-28 |
WO2019141688A1 (fr) | 2019-07-25 |
US11977127B2 (en) | 2024-05-07 |
FR3076908A1 (fr) | 2019-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7301850B2 (ja) | 電気バッテリの欠陥セルを検出する方法 | |
JP6734784B2 (ja) | バッテリの健全性を推定する方法 | |
CN110018425B (zh) | 一种动力电池故障诊断方法及系统 | |
EP2963433B1 (en) | Method and apparatus for estimating state of battery | |
US8788142B2 (en) | Method for the continuous measurement of the efficiency of a battery, especially a battery installed in motor vehicles, and a device utilizing this method | |
JP6579552B2 (ja) | 電池劣化診断方法および電池劣化診断装置 | |
US10101407B2 (en) | Method and system for diagnosing battery system problems | |
JP2006306376A (ja) | 車載バッテリー管理装置 | |
JP2016085062A (ja) | 電池劣化判定装置及び方法 | |
US20150056478A1 (en) | Lithium-ion secondary battery system, inspection method for lithium-ion secondary battery, and control method for lithium-ion secondary battery | |
CN105785278B (zh) | 电池寿命评估方法及装置 | |
US10910676B2 (en) | Ni—Cd battery with a state of charge indicator | |
CN112986841A (zh) | 电池荷电状态的估算方法、装置及设备 | |
JP2007322171A (ja) | バッテリ状態推定装置 | |
CN115932611A (zh) | 一种基于弛豫过程的锂离子电池内短路故障诊断方法 | |
CN115248379A (zh) | 一种基于多场景融合的动力电池微短路诊断方法及系统 | |
EP3015835B1 (en) | A method and a system for determining the operating temperature of a cell of an electric charge accumulator assembly without physical temperature sensors, particularly for electric or hybrid motor vehicles | |
CN112394290A (zh) | 电池包soh的估算方法、装置、计算机设备和存储介质 | |
CN109991550B (zh) | 蓄电池性能检测方法、装置、系统和计算机可读存储介质 | |
CN112415409A (zh) | 估算电池容量的方法和装置、存储介质及车辆 | |
EP1396729B1 (en) | Method of diagnosing a motor vehicle battery | |
US9065278B2 (en) | Systems and methods for evaluating and controlling a battery system | |
RU2697404C1 (ru) | Способ диагностирования аккумуляторной батареи | |
CN115508718B (zh) | 一种动力电池自放电的监测方法及装置 | |
RU2782959C1 (ru) | Способ оценки технического состояния стартерных аккумуляторных батарей |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20211217 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220930 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221025 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20230123 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20230322 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230425 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230523 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230621 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7301850 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |