Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRICITY STORAGE DEVICE, CELL BALANCE OPERATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2016/190293
Kind Code:
A1
Abstract:
An electricity storage device comprising: a plurality of battery cells (311) connected in series; balance circuits (112) provided for each of the plurality of battery cells (311) and connected to the corresponding battery cell therefor; a first temperature sensor (111) provided for each one or more balance circuit (112) and measuring the temperature of the corresponding balance circuits (112); and a control unit (121) that stops the operation of the corresponding balance circuits (112) if a first measured temperature measured by the first temperature sensor (111) is at least a first upper standard temperature and restarts the operation of the corresponding balance circuits (112) if the first measured temperature after the operation of the corresponding balance circuits (112) have been stopped has dropped to no more than a first lower standard temperature that is lower than the first upper standard temperature.

Inventors:
SASAKI HIROSHI (JP)
HASHIMOTO YASUSHI (JP)
Application Number:
PCT/JP2016/065265
Publication Date:
December 01, 2016
Filing Date:
May 24, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NEC CORP (JP)
International Classes:
H02J7/02; H01M10/44; H01M10/48; H02J7/00
Domestic Patent References:
WO2013021589A12013-02-14
Foreign References:
JP2004343867A2004-12-02
JP2006302951A2006-11-02
JP2010016928A2010-01-21
Attorney, Agent or Firm:
HAYAMI SHINJI (JP)
Shinji Hayami (JP)
Download PDF: