SECONDARY BATTERY SYSTEM AND METHOD FOR CHARGING/DISCHARGING SAME

WIPO Patent Application WO/2013/038763

A1

A secondary battery has a deterioration progress SOC in which the battery performance of the secondary battery is deteriorated during storage, and is therefore charged and discharged by means of a control device. An information processing device has a preselected first threshold value that is smaller than the deterioration progress SOC of a secondary battery and a preselected second threshold value that is larger than the deterioration progress SOC of the secondary battery, and directs the control device to continue the charging operation of the secondary battery from the first threshold value to the second threshold value when the secondary battery is to be charged and also directs the control device to continue the discharging operation of the secondary battery from the second threshold value to the first threshold value when the secondary battery is to be discharged on the basis of the value of the SOC of the secondary battery which has been detected by the control unit.

HONGO HIROO (JP)
KOBAYASHI KENJI (JP)
KUDO KOJI (JP)
ISHII KENICHI (JP)
NYU TAKAYUKI (JP)

PCT/JP2012/065091

March 21, 2013

June 13, 2012

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NEC CORP (JP)
HONGO HIROO (JP)
KOBAYASHI KENJI (JP)
KUDO KOJI (JP)
ISHII KENICHI (JP)
NYU TAKAYUKI (JP)

H01M10/42; H01M10/0525; H01M10/44; H01M10/48; H02J7/00; H02J7/02

JP2010097760A	2010-04-30
JP2009070777A	2009-04-02
JPH10123225A	1998-05-15
JP2007259612A	2007-10-04
JP2000030751A	2000-01-28
JP2001307781A	2001-11-02

See also references of EP 2595236A4

MIYAZAKI, Teruo et al. (JP)
Akio Miyazaki (JP)

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