Title:
ELECTRICITY STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/087858
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. The positive electrode (2) is an electrode made of a composite including at least (A) and (B) described below, wherein (B) is fixed within the composite. The negative electrode (4) is an electrode made of a composite including at least (B) and (C) described below, wherein (B) is fixed within the composite. Thus, an excellent output density per weight and excellent quick charging/discharging 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. (C) An electrode active material having an electroconductivity that changes according to the insertion/desorption of ions, the electrode active material having a lower oxidation-reduction potential than said (A).
Inventors:
ABE MASAO (JP)
OTANI AKIRA (JP)
KISHII YUTAKA (JP)
UETANI YOSHIHIRO (JP)
OTANI AKIRA (JP)
KISHII YUTAKA (JP)
UETANI YOSHIHIRO (JP)
Application Number:
PCT/JP2013/081586
Publication Date:
June 12, 2014
Filing Date:
November 25, 2013
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
H01M4/13; H01G11/02; H01G11/48; H01M4/36; H01M4/62; H01M10/05
Domestic Patent References:
| WO2012141166A1 | 2012-10-18 |
Foreign References:
| JP2010277701A | 2010-12-09 | |||
| JP2000030710A | 2000-01-28 | |||
| JP2009021449A | 2009-01-29 |
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (JP)
Masahiko Nishifuji (JP)
Masahiko Nishifuji (JP)
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