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Title:
ELECTRICITY STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/087859
Kind Code:
A1
Abstract:
Disclosed is an electricity storage device comprising: an electrolyte layer (3); and a positive electrode (2) and a negative electrode (4) that are provided so as to sandwich the electrolyte layer. Both the positive electrode (2) and the negative electrode (4) are electrodes made of a composite including at least (A) and (B) described below, wherein (B) is fixed within the composite. Thus, an excellent output density per weight and excellent cycle characteristics are obtained, and a high energy density per weight is obtained. (A) An electrode active material having an electroconductivity that changes according to the insertion/desorption of ions. (B) A polycarboxylic acid.

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Inventors:
ABE MASAO (JP)
OTANI AKIRA (JP)
UETANI YOSHIHIRO (JP)
Application Number:
PCT/JP2013/081587
Publication Date:
June 12, 2014
Filing Date:
November 25, 2013
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
H01M4/13; H01G11/02; H01G11/48; H01M4/62; H01M10/05
Domestic Patent References:
WO2009147989A12009-12-10
Foreign References:
JP2006179539A2006-07-06
JP2008160068A2008-07-10
JP2000030710A2000-01-28
JP2011216775A2011-10-27
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (JP)
Masahiko Nishifuji (JP)
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