JP6515867B2 - セル断線検査方法 - Google Patents
セル断線検査方法 Download PDFInfo
- Publication number
- JP6515867B2 JP6515867B2 JP2016104178A JP2016104178A JP6515867B2 JP 6515867 B2 JP6515867 B2 JP 6515867B2 JP 2016104178 A JP2016104178 A JP 2016104178A JP 2016104178 A JP2016104178 A JP 2016104178A JP 6515867 B2 JP6515867 B2 JP 6515867B2
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- Prior art keywords
- battery
- block
- value
- disconnection
- charging rate
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Links
- 238000007689 inspection Methods 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 22
- 230000007423 decrease Effects 0.000 description 14
- 238000001514 detection method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Description
CCVBn=VBn−RBn・Ie 式1
RBn=(VBn−CCVBn)・M/Ias 式2
RRi−j=|(RBj/RBi−1)×100| 式3
Claims (1)
- 複数の電池セルを並列接続してなる電池ブロックを、さらに、複数、直列に接続してなる組電池において、前記電池セルの断線を検査するセル断線検査方法であって、
前記組電池に流れる電流値である電池電流値と、前記電池ブロックの電圧値と、に基づいて、前記電池ブロックの抵抗値であるブロック抵抗値を取得するステップと、
基準となる電池ブロックのブロック抵抗値と、検査対象の電池ブロックのブロック抵抗値と、の比率である抵抗比を、予め規定された比較値と比較した結果に基づいて、当該検査対象の電池ブロックの断線本数に対応する値を特定するステップと、
を含み、
前記比較値が、前記組電池の充電率に応じて変動する可変値である、
ことを特徴とするセル断線検査方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016104178A JP6515867B2 (ja) | 2016-05-25 | 2016-05-25 | セル断線検査方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016104178A JP6515867B2 (ja) | 2016-05-25 | 2016-05-25 | セル断線検査方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017211262A JP2017211262A (ja) | 2017-11-30 |
JP6515867B2 true JP6515867B2 (ja) | 2019-05-22 |
Family
ID=60475403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016104178A Active JP6515867B2 (ja) | 2016-05-25 | 2016-05-25 | セル断線検査方法 |
Country Status (1)
Country | Link |
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JP (1) | JP6515867B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7067909B2 (ja) | 2017-12-04 | 2022-05-16 | トヨタ自動車株式会社 | 二次電池システム |
JP7056363B2 (ja) * | 2018-05-10 | 2022-04-19 | トヨタ自動車株式会社 | 電池システム |
KR20210014003A (ko) * | 2019-07-29 | 2021-02-08 | 주식회사 엘지화학 | 배터리 관리 장치 및 배터리 관리 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120119749A1 (en) * | 2010-03-26 | 2012-05-17 | Takuma Iida | Charge state detection circuit, battery power supply device, and battery information monitoring device |
JP4898982B1 (ja) * | 2010-08-31 | 2012-03-21 | パナソニック株式会社 | 電池電源装置、及び電池電源システム |
JP2012198170A (ja) * | 2011-03-23 | 2012-10-18 | Panasonic Corp | 電池電源装置 |
JP6017790B2 (ja) * | 2012-02-01 | 2016-11-02 | トヨタ自動車株式会社 | 蓄電システム |
-
2016
- 2016-05-25 JP JP2016104178A patent/JP6515867B2/ja active Active
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Publication number | Publication date |
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JP2017211262A (ja) | 2017-11-30 |
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