Title:
BATTERY PACK, ELECTRICITY STORAGE DEVICE AND DETERIORATION DETECTING METHOD
Document Type and Number:
WIPO Patent Application WO/2017/098686
Kind Code:
A1
Abstract:
This battery pack is provided with: a capacity variation amount calculating unit which accepts as inputs a full charge capacity or a capacity retention ratio of a secondary battery, and an elapsed time, and calculates an amount of variation in the full charge capacity or the capacity retention ratio; and a rapid deterioration assessing unit which assesses deterioration on the basis of a threshold assessment of the amount of variation calculated by the capacity variation amount calculating unit.
Inventors:
UCHINO MANABU (JP)
Application Number:
PCT/JP2016/004784
Publication Date:
June 15, 2017
Filing Date:
November 01, 2016
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
G01R31/36; H01M10/48; H02J7/00; H01M50/204
Domestic Patent References:
| WO2011162014A1 | 2011-12-29 |
Foreign References:
| JP2008308122A | 2008-12-25 | |||
| JPH11174136A | 1999-07-02 | |||
| JP2007057434A | 2007-03-08 | |||
| JP2016085804A | 2016-05-19 |
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (JP)
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