JP2023522666A - バッテリー装置および抵抗状態推定方法 - Google Patents
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- 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]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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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]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
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- G—PHYSICS
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- 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
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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]
- G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
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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
-
- 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
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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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
- H01M10/46—Accumulators structurally combined with charging apparatus
-
- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
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- 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
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- Y02E60/10—Energy storage using batteries
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
本出願は2020年10月22日付大韓民国特許出願第10-2020-0137478に基づいた優先権の利益を主張し、当該大韓民国特許出願の文献に開示された全ての内容は本明細書の一部として含まれる。
Claims (15)
- バッテリー、および
前記バッテリーの測定電圧、前記バッテリーの測定電流、前記バッテリーの開回路電圧および前記バッテリーの測定温度に基づいて基準温度での前記バッテリーの内部抵抗を推定し、前記バッテリーが初期状態である時の前記基準温度での初期抵抗と前記内部抵抗に基づいて前記バッテリーの抵抗状態を推定するプロセッサー
を含むバッテリー装置。 - 複数の温度にそれぞれ対応する複数の補正比を保存するメモリをさらに含み、
前記プロセッサーは前記複数の補正比の中から前記測定温度に対応する補正比を抽出し、前記測定電圧、前記測定電流、前記開回路電圧および前記補正比に基づいて前記基準温度での前記内部抵抗を推定する、請求項1に記載のバッテリー装置。 - 前記補正比は、前記測定温度での抵抗値を前記基準温度での抵抗値に変換するための値である、請求項2に記載のバッテリー装置。
- 前記プロセッサーは、前記測定電圧、前記測定電流に前記補正比を反映した電流および前記開回路電圧に基づいて前記基準温度での前記内部抵抗を推定する、請求項2または3に記載のバッテリー装置。
- 前記プロセッサーは、前記測定電圧と前記開回路電圧を含む観測値、前記内部抵抗を含む推定パラメータ、および前記測定電流と前記補正比を含む観測データ行列を使用する適応フィルターに基づいて前記基準温度での前記内部抵抗を推定する、請求項2から4のいずれか一項に記載のバッテリー装置。
- 前記観測データ行列で前記測定電流に前記補正比が反映される、請求項5に記載のバッテリー装置。
- 前記適応フィルターは、RLS(recursive least squares)フィルターを含む、請求項5または6に記載のバッテリー装置。
- 前記プロセッサーは、前記バッテリーの充電状態(state of charge)を推定し、前記充電状態に基づいて前記開回路電圧を推定する、請求項1から7のいずれか一項に記載のバッテリー装置。
- 前記プロセッサーは、前記基準温度での内部抵抗が前記基準温度での前記初期抵抗に対比して増加した程度で前記抵抗状態を推定する、請求項1から8のいずれか一項に記載のバッテリー装置。
- バッテリーの抵抗状態推定方法であって、
前記バッテリーの測定電圧、前記バッテリーの測定電流、前記バッテリーの開回路電圧、および前記バッテリーの測定温度に基づいて基準温度での前記バッテリーの内部抵抗を推定する段階、および
前記バッテリーが初期状態である時の基準温度での初期抵抗と前記内部抵抗に基づいて前記バッテリーの抵抗状態を推定する段階
を含む抵抗状態推定方法。 - 前記内部抵抗を推定する段階は、
複数の温度にそれぞれ対応する複数の補正比の中から前記測定温度に対応する補正比を抽出する段階、および
前記測定電圧、前記測定電流、前記開回路電圧、および前記補正比に基づいて前記基準温度での前記内部抵抗を推定する段階
を含む、請求項10に記載の抵抗状態推定方法。 - 前記補正比は、前記測定温度での抵抗値を前記基準温度での抵抗値に変換するための値である、請求項11に記載の抵抗状態推定方法。
- 前記内部抵抗を推定する段階は、前記測定電圧、前記測定電流に前記補正比を反映した電流、および前記開回路電圧に基づいて前記基準温度での前記内部抵抗を推定する段階を含む、請求項11または12に記載の抵抗状態推定方法。
- 前記抵抗状態を推定する段階は、前記基準温度での内部抵抗が前記基準温度での前記初期抵抗に対比して増加した程度で前記抵抗状態を推定する段階を含む、請求項10から13のいずれか一項に記載の抵抗状態推定方法。
- バッテリー装置のプロセッサーによって実行され、記録媒体に保存されているプログラムであって、
前記プログラムは前記プロセッサーに、
前記バッテリー装置のバッテリーの測定電圧、前記バッテリーの測定電流、前記バッテリーの開回路電圧および前記バッテリーの測定温度に基づいて基準温度での前記バッテリーの内部抵抗を推定する段階、および
前記バッテリーが初期状態である時の基準温度での初期抵抗と前記内部抵抗に基づいて前記バッテリーの抵抗状態を推定する段階
を実行させるプログラム。
Applications Claiming Priority (3)
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KR10-2020-0137478 | 2020-10-22 | ||
KR1020200137478A KR20220053250A (ko) | 2020-10-22 | 2020-10-22 | 배터리 장치 및 저항 상태 추정 방법 |
PCT/KR2021/012506 WO2022085950A1 (ko) | 2020-10-22 | 2021-09-14 | 배터리 장치 및 저항 상태 추정 방법 |
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JP2023522666A true JP2023522666A (ja) | 2023-05-31 |
JP7452904B2 JP7452904B2 (ja) | 2024-03-19 |
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US (1) | US20230168307A1 (ja) |
EP (1) | EP4116723A4 (ja) |
JP (1) | JP7452904B2 (ja) |
KR (1) | KR20220053250A (ja) |
CN (1) | CN115398257A (ja) |
WO (1) | WO2022085950A1 (ja) |
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JP4228760B2 (ja) * | 2002-07-12 | 2009-02-25 | トヨタ自動車株式会社 | バッテリ充電状態推定装置 |
JP4630113B2 (ja) * | 2005-04-12 | 2011-02-09 | 古河電気工業株式会社 | 二次電池劣化状態判定方法及び二次電池劣化状態判定装置 |
JP2010124629A (ja) | 2008-11-20 | 2010-06-03 | Sony Corp | 電池パック |
US20110172939A1 (en) * | 2010-01-08 | 2011-07-14 | Sandip Uprety | System and Method to Determine an Internal Resistance and State of Charge, State of Health, or Energy Level of a Rechargeable Battery |
KR101065551B1 (ko) * | 2010-01-08 | 2011-09-19 | 주식회사 엘지화학 | 배터리의 용량 추정 장치 및 방법 |
JP5349567B2 (ja) * | 2011-11-11 | 2013-11-20 | カルソニックカンセイ株式会社 | バッテリ・パックの入出力可能電力推定装置およびその方法 |
JP2013208034A (ja) | 2012-03-29 | 2013-10-07 | Honda Motor Co Ltd | 開回路電圧推定装置 |
KR102082866B1 (ko) | 2013-04-18 | 2020-04-14 | 삼성에스디아이 주식회사 | 배터리 관리 시스템 및 그 구동방법 |
JP6182025B2 (ja) * | 2013-09-05 | 2017-08-16 | カルソニックカンセイ株式会社 | バッテリの健全度推定装置および健全度推定方法 |
US10408880B2 (en) * | 2014-08-19 | 2019-09-10 | Fca Us Llc | Techniques for robust battery state estimation |
CN105467324B (zh) * | 2014-09-30 | 2020-03-03 | 株式会社杰士汤浅国际 | 电池劣化判定装置、电池劣化判定方法以及电池组 |
WO2016059869A1 (ja) * | 2014-10-17 | 2016-04-21 | 株式会社 東芝 | 二次電池の充電状態推定装置及びその充電状態推定方法 |
KR102574084B1 (ko) * | 2016-01-14 | 2023-09-04 | 삼성전자주식회사 | 배터리 관리 장치 및 방법 |
KR102032505B1 (ko) | 2016-09-19 | 2019-10-15 | 주식회사 엘지화학 | 배터리 테스트 장치 및 방법 |
JP2018141665A (ja) | 2017-02-27 | 2018-09-13 | 学校法人立命館 | 電池管理方法、電池管理装置、及びコンピュータプログラム |
KR101989692B1 (ko) * | 2017-09-26 | 2019-06-14 | 주식회사 포스코아이씨티 | 배터리 노화 진단 방법 및 시스템 |
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- 2021-09-14 US US17/919,530 patent/US20230168307A1/en active Pending
- 2021-09-14 CN CN202180026075.5A patent/CN115398257A/zh active Pending
- 2021-09-14 JP JP2022562648A patent/JP7452904B2/ja active Active
- 2021-09-14 WO PCT/KR2021/012506 patent/WO2022085950A1/ko unknown
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EP4116723A4 (en) | 2024-03-13 |
EP4116723A1 (en) | 2023-01-11 |
WO2022085950A1 (ko) | 2022-04-28 |
US20230168307A1 (en) | 2023-06-01 |
JP7452904B2 (ja) | 2024-03-19 |
CN115398257A (zh) | 2022-11-25 |
KR20220053250A (ko) | 2022-04-29 |
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