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Title:
非水二次電池
Document Type and Number:
Japanese Patent JP5472952
Kind Code:
B1
Abstract:
PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery good in load characteristics.SOLUTION: A nonaqueous secondary battery includes a positive electrode, a negative electrode, a separator and a nonaqueous electrolyte. The positive electrode has a positive electrode mixture layer containing: a positive electrode active material; a conductive assistant; a conductive polymer; a binder; and a simple body of a divalent metal element or a compound including a divalent metal element, other than the positive electrode active material. The content of a divalent metal element in the positive electrode mixture layer, the divalent metal element being included in the simple body of a divalent metal element or the compound including a divalent metal element, is 0.00001-1 mass%. The positive electrode mixture layer contains a polymer of thiophene or a derivative thereof, as the conductive polymer.

Inventors:
Kami root
Mitsuhiro Kishimi
Application Number:
JP2012271879A
Publication Date:
April 16, 2014
Filing Date:
December 13, 2012
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
H01M4/62; H01M4/13; H01M4/131; H01M4/48; H01M4/505; H01M4/525; H01M10/05; H01M10/052
Domestic Patent References:
JP2013041785A2013-02-28
JP5144832B12013-02-13
JP2010135310A2010-06-17
JP2004158286A2004-06-03
JP2000182622A2000-06-30
JP2011071074A2011-04-07
Attorney, Agent or Firm:
Tetsuo Miwa
Hideki Miwa