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Title:
ANALYZING DEVICE, ANALYSIS METHOD, MANUFACTURING METHOD, ELECTRICITY STORAGE DEVICE, ELECTRICITY STORAGE SYSTEM, ELECTRONIC INSTRUMENT, ELECTRIC VEHICLE, AND ELECTRIC POWER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/179266
Kind Code:
A1
Abstract:
Provided is an analyzing device equipped with a battery condition analyzing unit which detects a change in the condition of constituent members of the battery on the basis of changes in a peak of a relaxation time in a prescribed frequency band.

Inventors:
KATAYAMA SHINICHI (JP)
NAKAI HIDEKI (JP)
KITA AKINORI (JP)
Application Number:
PCT/JP2017/002907
Publication Date:
October 19, 2017
Filing Date:
January 27, 2017
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
G01R31/36; B60L3/00; G01N17/02; G01N27/00; G01N27/26; H01M10/04; H01M10/44; H01M10/48; H02J7/00
Foreign References:
JP2014134467A2014-07-24
JP2013088148A2013-05-13
JP2015021774A2015-02-02
Other References:
HIROFUMI SUMI ET AL.: "AC impedance characteristics for anode-supported microtubular solid oxide fuel cells , Electrochimica Act a", INTERNATIONAL SOCIETY OF ELECTROCHEMISTRY, vol. 67, 15 April 2012 (2012-04-15), pages 159 - 165, XP028470751, Retrieved from the Internet [retrieved on 20170317]
JAN PHILIPP SCHMIDT ET AL.: "The distribution of relaxation times as basis for generalized time- domain models for Li-ion batteries", JOURNAL OF POWER SOURCES, vol. 221, 1 January 2013 (2013-01-01), pages 70 - 77, XP028944591, Retrieved from the Internet [retrieved on 20170317]
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (JP)
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