JP7423697B2 - 蓄電池の残量値を算定する方法、装置、およびコンピュータプログラム製品 - Google Patents
蓄電池の残量値を算定する方法、装置、およびコンピュータプログラム製品 Download PDFInfo
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Classifications
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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]
- G01R31/367—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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- 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
- G01R31/3647—Constructional arrangements for determining the ability of a battery to perform a critical function, e.g. cranking
-
- 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]
- G01R31/374—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
-
- 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
-
- 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
-
- 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]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- 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
- H01M10/48—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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Description
2 電池
3 調温室
4 高精度クーロメトリ装置
10 計算ユニット
11 電流ケーブル
12 データケーブル
13 コンピュータプログラム製品
21 第1の充電状態
22 第2の充電状態
23 第3の充電状態
24 第4の充電状態
25 上位電圧
26 下位電圧
100 負荷サイクル
tC 充電期間
tD 放電期間
201~207 第1ステップ~第7ステップ
Claims (15)
- 使用済み電池(2)の残量値を算定する方法であって、
前記電池(2)が検査ステーション(1)に供給され、
前記電池(2)が前記検査ステーション(1)内で検査温度にもたらされ、前記検査温度から生じる偏差が2Kより小さくなるように検査期間中の前記検査温度が安定化され、
前記電池(2)の複数の負荷サイクル(100)が高精度クーロメトリ装置(4)により測定され、前記測定の結果に多数の電流値が含まれるようにされ、
前記測定が廃棄基準に達するまで実施され、
前記測定の結果に基づいて前記電池(2)の放電容量に対する第1と第2の値が第1と第2の計算規則により算出され、前記第1と第2の計算規則には電流測定の補正が別々に含められ、算定された第1と第2の放電容量の最大の一致が達成されるように前記電流測定の補正が算定される最適化方法が実行され、
前記測定の結果に基づき前記電池(2)の少なくとも1つの残量値基準が決定され、
前記残量値基準に基づいて前記使用済み電池(2)が定置エネルギー蓄積器で使用できるか否かが決定される、方法。 - 前記検査温度から生じる偏差が、0.5K未満となるように前記検査期間中の前記検査温度を安定化する請求項1に記載の方法。
- 前記検査温度を前記検査期間中に前記電池(2)の冷却システムを用いて安定化する、請求項1に記載の方法。
- 前記電池(2)の容量および/または前記電池(2)の電池管理システムに記憶されたデータを追加の残量値基準として使用する、請求項1に記載の方法。
- 前記残量値基準として、クーロン効率、エネルギー効率、有効セル内部抵抗および/または前記電池(2)のサイクル当たりの容量損失を算定する、請求項1に記載の方法。
- 前記残量値基準が前記電池(2)の識別子と共にデータベースに記憶される、請求項1に記載の方法。
- この方法を用いて検査された前記電池(2)の実際の劣化データを定置蓄電池で使用中に受信し、前記電池が定置エネルギー蓄積器での使用に利用できるか否かを前記実際の劣化データと記憶された前記残量値基準を用いて決定する、請求項6に記載の方法。
- 前記負荷サイクル(100)が40%未満の放電を含み、かつ、0.5から1.5の間のC係数で作動する、請求項1に記載の方法。
- 前記電池(2)が最も適している定置エネルギー蓄積器のカテゴリーが、前記残量値基準から算定される、請求項1に記載の方法。
- 負荷サイクル(100)が、
第1の充電状態(21)から第2の充電状態(22)までの第1の電荷量を測定する第1の放電と、
それに続く前記第2の充電状態(22)から第3の充電状態(23)までの第2の電荷量を測定する第2の充電と、
前記第3の充電状態(23)から第4の充電状態(24)までの第3の電荷量を測定する第2の放電と、を含み、
前記電池(2)の下位電圧と上位電圧の間で前記負荷サイクル(100)の充放電が行われる、請求項1に記載の方法。 - 第1の電荷シフトが前記第4の充電状態(24)と前記第2の充電状態(22)との差を用いて算定されるとともに、第2の電荷シフトが前記第3の充電状態(23)と前記第1の充電状態(21)との差を用いて決定され、
前記第1の電荷シフトと前記第2の電荷シフトとの差からの容量損失が算定され、
平均容量損失が、異なる負荷サイクル(100)の少なくとも2つの前記容量損失に基づいて算出される、請求項10に記載の方法。 - 前記廃棄基準として、2つ以上の連続する前記負荷サイクル(100)における前記容量損失の相対的変化を使用する、請求項11に記載の方法。
- 前記廃棄基準が、現在の測定の結果から得られる分類の関数として選択される、請求項1に記載の方法。
- 高精度クーロメトリ装置(4)と、
電池の一連の測定の結果を記録するためのメモリを備えた計算ユニット(10)であって、前記最適化方法を実行するように構成されている、計算ユニット(10)と、
を有する、請求項1から13のいずれか1項に記載の方法を実施するための装置(1)。 - プログラム可能な計算ユニット(10)のメモリに直接ロード可能なコンピュータプログラムであって、
前記計算ユニット(10)で実行されるときに、請求項1から13のいずれか1項に記載の方法を実施するためのプログラムコード手段を備える、コンピュータプログラム。
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EP21187495 | 2021-07-23 | ||
EP21187495.3A EP4123321A1 (de) | 2021-07-23 | 2021-07-23 | Verfahren, vorrichtung und computerprogrammprodukt zur restwertbestimmung von batteriespeichern |
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JP7423697B2 true JP7423697B2 (ja) | 2024-01-29 |
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US (1) | US20230031420A1 (ja) |
EP (1) | EP4123321A1 (ja) |
JP (1) | JP7423697B2 (ja) |
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US11946978B2 (en) | 2021-07-23 | 2024-04-02 | Siemens Aktiengesellschaft | Method, apparatus and computer program product for estimating the service life of battery storage systems |
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CN117434453B (zh) * | 2023-12-21 | 2024-02-20 | 南昌大学 | 一种锂离子电池寿命异常检测方法 |
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2021
- 2021-07-23 EP EP21187495.3A patent/EP4123321A1/de active Pending
-
2022
- 2022-06-24 JP JP2022101471A patent/JP7423697B2/ja active Active
- 2022-07-18 US US17/866,733 patent/US20230031420A1/en active Pending
- 2022-07-19 KR KR1020220088965A patent/KR20230015848A/ko not_active Application Discontinuation
- 2022-07-21 CN CN202210863848.1A patent/CN115684969A/zh active Pending
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JP2011222343A (ja) | 2010-04-12 | 2011-11-04 | Toyota Motor Corp | 非水電解液型リチウムイオン二次電池システム,そのシステムにおけるリチウム析出判定方法,および,そのシステムを搭載する車両 |
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