NONAQUEOUS SECONDARY BATTERY AND BATTERY CONTROL SYSTEM

WIPO Patent Application WO/2014/041622

A1

The problem addressed by the present invention is providing a nonaqueous secondary battery in which recovery from capacity degradation caused by side reactions accompanying storage and use under prescribed conditions is possible and a control system for the same. This nonaqueous secondary battery (C1) has an ion supply unit (31) that supplies ions of the same species as ions in an electrolyte at a reaction potential higher than an uncharged potential for a positive electrode (11). The ion supply unit (31) has an ion supply source (32) that elutes ions in the electrolyte by being in contact with the electrolyte in a state of electrical contact with the positive electrode (11), and a first coating part (33) that coats at least part of the ion supply source (32). Furthermore, the first coating part (33) is configured so as to be interposed between the positive electrode (11) and the ion supply source and maintain a state of electrical noncontact between the positive electrode (11) and the ion supply source while dissolving or disappearing at the reaction potential.

TAKAHASHI HIROFUMI (JP)
KITAGAWA KAN (JP)

PCT/JP2012/073276

March 20, 2014

September 12, 2012

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HITACHI LTD (JP)
TAKAHASHI HIROFUMI (JP)
KITAGAWA KAN (JP)

H01M10/058; H01M4/13; H01M4/136; H01M4/58; H01M10/0525; H01M10/0566; H01M10/44; H01M10/48

JP2001273899A	2001-10-05
JP2008192540A	2008-08-21
JP2008097991A	2008-04-24
JP2009543294A	2009-12-03
JP2008532224A	2008-08-14
JP2008300178A	2008-12-11
JP2011103178A	2011-05-26
JP2009038036A	2009-02-19

HIRAKI Yusuke et al. (JP)
Yusuke Hiraki (JP)

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