Title:
DETERIORATION DETERMINING DEVICE, AND DETERIORATION DETERMINING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/140278
Kind Code:
A1
Abstract:
A deterioration determining device according to one aspect of the present technology comprises: a plurality of secondary batteries connected in parallel with one another; a plurality of current measuring units which are allocated on a one-to-one basis to each secondary battery, and which are capable of measuring a current flowing through a current pathway of the allocated secondary battery; and a deterioration determining unit capable of identifying a secondary battery in which deterioration has occurred, among the plurality of secondary batteries, on the basis of a relationship between the signs of the currents measured by each current measuring unit.
Inventors:
ITAGAKI MASAYUKI (JP)
SHIMURA JUSUKE (JP)
SHIMURA JUSUKE (JP)
Application Number:
PCT/JP2023/001296
Publication Date:
July 27, 2023
Filing Date:
January 18, 2023
Export Citation:
Assignee:
UNIV TOKYO SCIENCE FOUND (JP)
MURATA MANUFACTURING CO (JP)
MURATA MANUFACTURING CO (JP)
International Classes:
G01R31/396; G01R31/392; H01M10/48; H02J7/00
Domestic Patent References:
| WO2021162077A1 | 2021-08-19 | |||
| WO2012042642A1 | 2012-04-05 |
Foreign References:
| JP2001185228A | 2001-07-06 | |||
| JP2014510262A | 2014-04-24 | |||
| JP2008292403A | 2008-12-04 | |||
| US20200292622A1 | 2020-09-17 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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