SECONDARY BATTERY SYSTEM, AND METHOD FOR OPERATING SECONDARY BATTERY

Title:

SECONDARY BATTERY SYSTEM, AND METHOD FOR OPERATING SECONDARY BATTERY

Document Type and Number:

WIPO Patent Application WO/2013/038764

Kind Code:

A1

Abstract:

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, divides the region between the minimum SOC and the maximum SOC of the secondary battery into at least two zones with the boundary lying between the first threshold value and the second threshold value, and allows the control device to charge or discharge the secondary battery in either one of the zones.

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Inventors:

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

Application Number:

PCT/JP2012/065092

Publication Date:

March 21, 2013

Filing Date:

June 13, 2012

Export Citation:

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Assignee:

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

International Classes:

H02J7/00; H01M10/44

Domestic Patent References:

WO2011118294A1	2011-09-29
WO2009037881A1	2009-03-26

Foreign References:

JP2010097760A	2010-04-30
JP2000030751A	2000-01-28
JP2001307781A	2001-11-02

Other References: