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Patent Searching and Data


Title:
BATTERY CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/158182
Kind Code:
A1
Abstract:
The purpose is to set an appropriate upper limit voltage in order to obtain the best charging performance from a secondary battery while effectively suppressing degradation of the secondary battery. An assembled battery control unit 150 determines an upper limit voltage during charging of the secondary battery and operates the chargeable power of the secondary battery on the basis of the upper limit voltage. The assembled battery control unit 150 comprises an upper limit voltage operation unit 152 that operates a voltage history of the secondary battery on the basis of the time-series data of the secondary battery voltage and operates the upper limit voltage on the basis of the voltage history.

Inventors:
NAKAO RYOHHEI (JP)
OHKAWA KEIICHIRO (JP)
ARISHIMA YASUO (JP)
SASAKI HIRONORI (JP)
Application Number:
PCT/JP2019/047426
Publication Date:
August 06, 2020
Filing Date:
December 04, 2019
Export Citation:
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Assignee:
VEHICLE ENERGY JAPAN INC (JP)
International Classes:
H01M10/48; B60L58/14; G01R31/3842; H02J7/00
Domestic Patent References:
WO2016159086A12016-10-06
Foreign References:
JP2013243869A2013-12-05
JP2010268642A2010-11-25
Other References:
See also references of EP 3920308A4
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (JP)
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