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Title:
DETERMINATION DEVICE RELATING TO PLURALITY OF BATTERIES, ELECTRICITY STORAGE SYSTEM, DETERMINATION METHOD AND DETERMINATION PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/049804
Kind Code:
A1
Abstract:
In one embodiment, there is provided a determination device relating to a plurality of batteries which are connected in series. The determination device includes a processor. The processor is configured to determine a deterioration variance among the batteries, based on first voltage data indicative of a maximum voltage which is greatest among voltages of the batteries in each of measurements in a plurality of periods in charge or discharge of the batteries, and second voltage data indicative of a minimum voltage which is least among the voltages of the batteries in each of the measurements in the periods.

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Inventors:
FUJITA YUMI (JP)
MORITA TOMOKAZU (JP)
SUGIYAMA NOBUKATSU (JP)
Application Number:
PCT/JP2021/008318
Publication Date:
March 10, 2022
Filing Date:
March 04, 2021
Export Citation:
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Assignee:
TOSHIBA KK (JP)
International Classes:
G01R31/392; H01M10/42; H01M10/48; H02J7/00; H02J7/02
Foreign References:
US20170125856A12017-05-04
JP2011054413A2011-03-17
JP2007311255A2007-11-29
JP2014240807A2014-12-25
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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