Title:
充電システム
Document Type and Number:
Japanese Patent JP7095659
Kind Code:
B2
Abstract:
To provide a charging system that can reliably estimate the capacity of a secondary battery with high accuracy.SOLUTION: A charging system 10 has a memory 41 that stores an operation plan in which a plurality of operation periods determined by start and end times of operation of an electric vehicle 50 is set in advance. A charging control unit 30 estimates the capacity of a secondary battery 51 when it is determined that it is possible to secure a period of time from an end of discharge of the secondary battery 51 until a rate of change of an open-circuit voltage becomes less than or equal to a predetermined value and a period of time from an end of charging of the secondary battery 51 until a rate of change of an open-circuit voltage becomes less than or equal to a predetermined value before and after charging of the secondary battery 51 during a period from an operation end time to an operation start time.SELECTED DRAWING: Figure 1
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Inventors:
Shinya Wakisaka
Daisuke Sato
Daisuke Sato
Application Number:
JP2019129749A
Publication Date:
July 05, 2022
Filing Date:
July 12, 2019
Export Citation:
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
International Classes:
H02J7/00; B60L53/14; B60L53/68; G01R31/3828; G01R31/388; H01M10/44; H01M10/48
Domestic Patent References:
| JP2016166817A | ||||
| JP2014115127A | ||||
| JP2015114105A |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda