JP6939527B2 - 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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- JP6939527B2 JP6939527B2 JP2017248113A JP2017248113A JP6939527B2 JP 6939527 B2 JP6939527 B2 JP 6939527B2 JP 2017248113 A JP2017248113 A JP 2017248113A JP 2017248113 A JP2017248113 A JP 2017248113A JP 6939527 B2 JP6939527 B2 JP 6939527B2
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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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- 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
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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]
- G01R31/396—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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
-
- 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
-
- 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
- H01M10/4285—Testing apparatus
-
- 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
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
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。
・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℃
・拘束荷重:1MPa
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)
1.計測装置2に二次電池1を接続して図1(図7)に示した回路3を組む。
↓
2.回路電流IBの初期値を設定する。
↓
3.二次電池1の蓄電容量に合わせて疑似寄生抵抗Ryを設定する。
↓
4.設定した疑似寄生抵抗Ryを用いて自己放電電流IDの測定を行う。
2 計測装置
3 回路
4 直流電源
5 電流計
101 並列スタック
Claims (3)
- 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回路を形成して,その後に前記回路に流れる電流の収束後の電流値を取得する電流測定工程と,
前記電流測定工程で取得した収束後の電流値に基づいて蓄電デバイスの良否を決定する良否決定工程とを行うことによる蓄電デバイスの検査方法であって,
前記電源の電圧値の前記蓄電デバイスの初期電圧値に対する超過分を前記回路の電流値で除して得られる疑似寄生抵抗値を,前記蓄電デバイスの蓄電容量が大きい場合に小さく設定するとともに,前記蓄電デバイスの蓄電容量が小さい場合に大きく設定する,疑似抵抗設定工程を有し,
前記疑似抵抗設定工程で前記疑似寄生抵抗値を設定した状態で,前記電流測定工程での電流値の取得を行う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,
複数の蓄電デバイスを並列接続してなる並列スタックを対象とし,
前記電流測定工程では,充電済みの前記並列スタックに前記外部電源を接続して回路を形成し,
前記疑似抵抗設定工程では前記疑似寄生抵抗値を,前記並列スタックの全体としての蓄電容量に応じて設定し,
前記良否決定工程では,前記並列スタックの全体としての良否を決定する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または請求項2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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JP2017248113A JP6939527B2 (ja) | 2017-12-25 | 2017-12-25 | 蓄電デバイスの検査方法および製造方法 |
US16/191,679 US10847849B2 (en) | 2017-12-25 | 2018-11-15 | Inspection method of electrical storage device and manufacturing method thereof |
CN201811380558.1A CN109959873B (zh) | 2017-12-25 | 2018-11-20 | 蓄电设备的检查方法和制造方法 |
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JP6939527B2 true JP6939527B2 (ja) | 2021-09-22 |
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US10768238B2 (en) | 2017-08-21 | 2020-09-08 | Toyota Jidosha Kabushiki Kaisha | Inspection method of electrical storage device and manufacturing method thereof |
JP7000847B2 (ja) * | 2017-12-25 | 2022-01-19 | トヨタ自動車株式会社 | 蓄電デバイスの検査方法および製造方法 |
JP7218684B2 (ja) * | 2019-07-11 | 2023-02-07 | トヨタ自動車株式会社 | 蓄電デバイスの検査方法および製造方法 |
JP2021089207A (ja) * | 2019-12-04 | 2021-06-10 | トヨタ自動車株式会社 | 蓄電デバイスの検査方法および製造方法 |
CN113359043B (zh) * | 2021-08-09 | 2021-10-15 | 江苏时代新能源科技有限公司 | 电芯自放电电流检测方法、装置、设备及计算机存储介质 |
JP2023551032A (ja) * | 2021-09-30 | 2023-12-06 | 寧徳時代新能源科技股▲分▼有限公司 | 電池の検出方法及び装置、読み取り可能な記憶媒体 |
CN116400245B (zh) * | 2023-05-15 | 2024-04-16 | 长兴太湖能谷科技有限公司 | 一种锂电池运行健康监测分析*** |
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US20190198943A1 (en) | 2019-06-27 |
CN109959873A (zh) | 2019-07-02 |
US10847849B2 (en) | 2020-11-24 |
CN109959873B (zh) | 2021-06-15 |
JP2019113451A (ja) | 2019-07-11 |
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