Title:
POWER SUPPLY DEVICE AND METHOD FOR DETECTING DEFECTS IN BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/004185
Kind Code:
A1
Abstract:
A power supply device according to the present invention comprises: a measurement unit that measures the voltage and/or current of a lithium-ion battery; a peak detection unit that uses the voltage and/or current measured by the measurement unit to detect a current maximum value and/or voltage minimum value during each occurrence of a fixed period of time; and an assessment unit that assesses defects in the lithium-ion battery on the basis of the current maximum value and/or voltage minimum value detected during each occurrence of the fixed period of time by the peak detection unit.
Inventors:
SHIMURA JUSUKE (JP)
KAMITANI GAKU (JP)
KAMITANI GAKU (JP)
Application Number:
PCT/JP2021/019193
Publication Date:
January 06, 2022
Filing Date:
May 20, 2021
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/48; G01R31/367; G01R31/392; H02J7/00; H02J7/10
Domestic Patent References:
| WO2019156171A1 | 2019-08-15 |
Foreign References:
| JP2018096744A | 2018-06-21 | |||
| JP2014206441A | 2014-10-30 | |||
| JP2010066161A | 2010-03-25 | |||
| JPH0917458A | 1997-01-17 | |||
| JP2012003863A | 2012-01-05 | |||
| JP2003009405A | 2003-01-10 |
Attorney, Agent or Firm:
SUGIURA, Takuma et al. (JP)
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