JP2023076467A - バッテリー劣化度判定システム - Google Patents
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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
- 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
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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
-
- 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
- H01M10/465—Accumulators structurally combined with charging apparatus with solar battery as charging system
-
- 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
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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
-
- 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
-
- 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
-
- 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
- H02J7/005—Detection of state of health [SOH]
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
以下、本発明の実施の形態について、図面を参照して詳細に説明する。各図面に示される同一または同等の構成要素、部材、処理には、同一の符号を付すものとし、適宜重複した説明は省略する。図1は、本実施形態に係る電源装置100の構成を模式的に示すブロック図である。図1に示すように、電源装置100は、複数のバッテリーユニット10a~10eと、収容部20と、制御部30と、接続選択部40と、劣化測定部50と、ユニット交換通知部60と、充電部70と、放電部80を備えている。また、充電部70にはソーラーパネル90が接続され、放電部80には負荷91が接続されている。
1dは充電可能な容量が60%(劣化度40%ランク)であり、バッテリーユニット10
bに含まれるバッテリーセル12a~12dは充電可能な容量が80%(劣化度20%ラ
ンク)であり、バッテリーユニット10cに含まれるバッテリーセル13a~13dは充
電可能な容量が20%(劣化度80%ランク)であり、バッテリーユニット10dに含ま
れるバッテリーセル14a~14dは充電可能な容量が50%(劣化度50%ランク)で
あり、バッテリーユニット10eに含まれるバッテリーセル15a~15dは充電可能な
容量が40%(劣化度60%ランク)である。
次に、本発明の第2実施形態について図6~図8を用いて説明する。第1実施形態と重複する内容は説明を省略する。本実施形態では、バッテリーセルの劣化度を正確に判定するために、バッテリーセルの使用履歴情報を参照する点が第1実施形態と異なっている。
10,10a~10e…バッテリーユニット
20…収容部
30…制御部
40…接続選択部
50…劣化測定部
60…ユニット交換通知部
70…充電部
80…放電部
90…ソーラーパネル
91…負荷
110…管理サーバ
11~15…バッテリーセル
111…識別情報
112…履歴情報
113…診断情報
114…劣化判断部
200…バッテリー使用機器
210…使用済バッテリー
220…バッテリー要素
Claims (3)
- 使用済みバッテリー要素の劣化を判定するバッテリー劣化度判定システムであって、
前記バッテリー要素の識別情報と使用履歴情報を関連付けて記録する管理サーバと、
前記バッテリー要素の充電時または放電時の第1電気特性を測定し、前記第1電気特性の測定結果および前記使用履歴情報に基づいて第1劣化度を判定し、前記第1劣化度を含む診断情報を前記識別情報と関連付けて前記管理サーバに記録する劣化判断部と、を備え、
前記劣化判断部は、所定期間経過後に前記バッテリー要素の充電時または放電時の第2電気特性を測定し、前記使用履歴情報を更新し、前記第2電気特性の測定結果および前記使用履歴情報に基づいて第2劣化度を判定し、前記診断情報に前記第2劣化度を追加して更新し、
前記第2劣化度に基づいて前記バッテリー要素の交換を通知することを特徴とするバッテリー劣化度判定システム。 - 請求項1に記載のバッテリー劣化度判定システムであって、
前記劣化判断部は、複数の前記バッテリー要素に関する前記使用履歴情報と前記診断情報の関係を機械学習によって分析し、
前記分析の結果に基づいて、前記第1劣化度および前記第2劣化度の判定方法を更新することを特徴とするバッテリー劣化度判定システム。 - 請求項1または2に記載のバッテリー劣化度判定システムであって、
前記使用済みバッテリー要素は、移動体の電源に用いられたものであり、
前記使用履歴情報には、前記移動体の運転履歴が含まれていることを特徴とするバッテリー劣化度判定システム。
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JP2023035113A JP7383321B2 (ja) | 2021-05-14 | 2023-03-07 | バッテリー劣化度判定システム |
JP2023185756A JP2024003049A (ja) | 2021-05-14 | 2023-10-30 | バッテリー劣化度判定システム |
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JP2021082813A JP7250366B2 (ja) | 2021-05-14 | 2021-05-14 | 電源装置およびバッテリー劣化度判定システム |
JP2023035113A JP7383321B2 (ja) | 2021-05-14 | 2023-03-07 | バッテリー劣化度判定システム |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020004509A1 (ja) * | 2018-06-29 | 2020-01-02 | レスク株式会社 | バッテリ管理システム |
JP2020112491A (ja) * | 2019-01-15 | 2020-07-27 | 住友電気工業株式会社 | パラメータ推定装置、パラメータ推定方法及びコンピュータプログラム |
JP2020187539A (ja) * | 2019-05-14 | 2020-11-19 | トヨタ自動車株式会社 | 電池情報管理システムおよび電池情報管理方法 |
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JP2001042014A (ja) * | 1999-07-29 | 2001-02-16 | Hitachi Ltd | 信号積分回路 |
JP2005176461A (ja) | 2003-12-09 | 2005-06-30 | Matsushita Electric Ind Co Ltd | 直流無停電電源装置 |
JP5549634B2 (ja) | 2011-04-04 | 2014-07-16 | トヨタ自動車株式会社 | 二次電池の劣化判定方法とその装置 |
JP2013195408A (ja) | 2012-03-23 | 2013-09-30 | Denso Corp | 組電池の電圧検出装置、および電圧検出装置の製造方法 |
JP2018092856A (ja) | 2016-12-07 | 2018-06-14 | 株式会社Sirc | バッテリ管理装置、バッテリ管理方法及びバッテリ管理プログラム |
JP6736500B2 (ja) | 2017-02-24 | 2020-08-05 | 三菱重工業株式会社 | 制御装置、それを備えた電力貯蔵システム、及び制御方法並びに制御プログラム |
JP7147809B2 (ja) | 2019-08-01 | 2022-10-05 | 株式会社デンソー | 二次電池の劣化度判定装置及び組電池 |
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WO2020004509A1 (ja) * | 2018-06-29 | 2020-01-02 | レスク株式会社 | バッテリ管理システム |
JP2020112491A (ja) * | 2019-01-15 | 2020-07-27 | 住友電気工業株式会社 | パラメータ推定装置、パラメータ推定方法及びコンピュータプログラム |
JP2020187539A (ja) * | 2019-05-14 | 2020-11-19 | トヨタ自動車株式会社 | 電池情報管理システムおよび電池情報管理方法 |
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DE112022000992T5 (de) | 2023-12-21 |
US20240192282A1 (en) | 2024-06-13 |
WO2022239558A1 (ja) | 2022-11-17 |
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