JP2020030916A - 蓄電デバイスの検査方法および製造方法 - Google Patents
蓄電デバイスの検査方法および製造方法 Download PDFInfo
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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]
- G01R31/382—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
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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
- G01R31/3865—Arrangements for measuring battery or accumulator variables related to manufacture, e.g. testing after manufacture
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- 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
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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
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- 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
- H01M10/4285—Testing apparatus
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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
- H01M10/446—Initial charging measures
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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
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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
- G01R31/3828—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration
- G01R31/3832—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration without measurement of battery voltage
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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
- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
Description
二次電池1は,図1中では模式的に示しているが実際には,例えば図2に示すような扁平角型の外観を有するものである。図2の二次電池1は,外装体10に電極積層体20を内蔵してなるものである。電極積層体20は,正極板と負極板とをセパレータを介して積層したものである。外装体10の内部には電極積層体20の他に電解液も収容されている。また,二次電池1の外面上には,正負の端子50,60が設けられている。なお二次電池1は,図2のような扁平角型のものに限らず,円筒型等他の形状のものでも構わない。
ここまでの説明では,計測装置2の出力電圧VSを一定とした。しかしながら出力電圧VSは一定でなければならないという訳ではない。むしろ,電圧制御部11の制御により出力電圧VSを適宜変化させることで,判定の要処理時間をさらに短縮することができる。以下,これについて説明する。
・電池容量:4Ah
・正極活物質:三元系リチウム化合物
・負極活物質:黒鉛
・環境温度:25℃
IB = (VS−VB)/Rx ……(1)
IB = (VS−VB)/(Rx+Rim) ……(2)
VS = VB+(Rx+Rim)*IB ……(3)
ΔVS = Rx*IB ……(4)
ΔVS = K*Rx*IB ……(5)
VS = VB+M*IB ……(6)
3 回路(閉回路)
4 直流電源(外部電源)
VB 電池電圧
VS 出力電圧
IB 回路電流
Claims (4)
- 検査対象である蓄電デバイスに電源を接続して構成した閉回路に流れる電流により前記蓄電デバイスの良否を判定する,蓄電デバイスの検査方法であって,
充電済みの蓄電デバイスに外部電源を逆電圧向きに接続して前記閉回路を構成する回路構成工程と,
前記閉回路に前記外部電源により前記蓄電デバイスの電圧と逆向きの電圧を印加しつつ,その状況で前記閉回路に流れる電流値を計測する電流計測工程と,
前記電流計測工程で前記外部電源が出力すべき電圧を,前記電流計測工程で計測される電流値と前記閉回路の抵抗値とに基づき算出するフィードバック演算工程とを行うとともに,
前記電流計測工程では,前記外部電源の出力電圧を,前記フィードバック演算工程の算出結果に従って変更し,
前記フィードバック演算工程では,算出を行う時間間隔を,前記電流計測工程の前期段階では短くし後期段階では長くすることを特徴とする蓄電デバイスの検査方法。 - 請求項1に記載の蓄電デバイスの検査方法であって,
前記電流計測工程における前記前期段階から前記後期段階への移行時期を,良品の蓄電デバイスに対して,前記前期段階での時間間隔により前記フィードバック演算工程の算出を行った場合に予想される前記電流値の収束時間より早い時期とすることを特徴とする蓄電デバイスの検査方法。 - 請求項1または請求項2に記載の蓄電デバイスの検査方法であって,
前記電流計測工程の開始前に,前記外部電源の初期出力電圧を,前期蓄電デバイスの初期電圧と一致させるように狙って設定する出力電圧設定工程を行うことを特徴とする蓄電デバイスの検査方法。 - 組み立てた未充電の蓄電デバイスをあらかじめ定めた充電状態まで初充電して充電済みの蓄電デバイスとする初充電工程と,
前記充電済みの蓄電デバイスを検査する検査工程とを行い,
前記検査工程では,請求項1から請求項3までのいずれか1つに記載の蓄電デバイスの検査方法を行うことを特徴とする蓄電デバイスの製造方法。
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JP2018154699A JP6977687B2 (ja) | 2018-08-21 | 2018-08-21 | 蓄電デバイスの検査方法および製造方法 |
US16/447,531 US11011785B2 (en) | 2018-08-21 | 2019-06-20 | Electricity storage device testing method and electricity storage device manufacturing method |
CN201910633666.3A CN110850306B (zh) | 2018-08-21 | 2019-07-15 | 蓄电设备的检查方法和制造方法 |
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JP2021034348A (ja) * | 2019-08-29 | 2021-03-01 | プライムアースEvエナジー株式会社 | 蓄電デバイスの検査方法及び蓄電デバイスの製造方法 |
CN114089070A (zh) * | 2021-11-18 | 2022-02-25 | 广东利元亨智能装备股份有限公司 | 化成柜检测装置 |
CN114189004A (zh) * | 2020-09-15 | 2022-03-15 | 泰星能源解决方案有限公司 | 二次电池的检查方法 |
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