Title:
ESTIMATION DEVICE, POWER STORAGE DEVICE, ESTIMATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/139973
Kind Code:
A1
Abstract:
This estimation device 2 is provided with a control unit 21 for estimating the charge-receiving performance or the discharge performance of a power storage device 1 having a plurality of power storage elements 3 and an electroconductive member. The control unit 21 acquires the voltage value of the plurality of power storage elements and the current value of the power storage device 1 at an estimation time point, and estimates, using the acquired current value and voltage value and a power storage device model that simulates the behavior of the power storage device 1 and that includes a resistance component of the electroconductive member, information relating to whether or not the power storage device 1 can be charged or discharged by an assumed energization pattern extending for a prescribed duration from the estimation time point.
Inventors:
YOSHIOKA YUSUKE (JP)
TAKAI SEIJI (JP)
TAKAI SEIJI (JP)
Application Number:
PCT/JP2022/045755
Publication Date:
July 27, 2023
Filing Date:
December 13, 2022
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
G01R31/367; G01R31/3828; G01R31/3842; G01R31/389; H01M10/48; H02J7/00
Domestic Patent References:
| WO2022244391A1 | 2022-11-24 | |||
| WO2021039905A1 | 2021-03-04 |
Foreign References:
| JP2016126999A | 2016-07-11 | |||
| JP6719853B1 | 2020-07-08 | |||
| CN103399282A | 2013-11-20 | |||
| US20050194933A1 | 2005-09-08 | |||
| JP2015191777A | 2015-11-02 | |||
| JP2015114135A | 2015-06-22 | |||
| JP2010203935A | 2010-09-16 |
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