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Patent Searching and Data


Title:
ELECTRICITY STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/065575
Kind Code:
A1
Abstract:
Provided is an electricity storage device which is capable of suppressing reaction distribution between a positive electrode member and a negative electrode member even in cases where collectors having through holes are used as main collectors that constitute the positive electrode member and the negative electrode member, said electricity storage device having excellent electricity storage characteristics and excellent safety. An electricity storage device which is provided with: (a) an electricity storage element that is provided with an electrolyte (51) and a laminate structure (40) wherein positive electrode members (11, 12) and a negative electrode member (21) are laminated respectively with a separator member (30) interposed therebetween; (b) an outer package (50) that contains the electricity storage element; (c) a positive electrode lead terminal (61) that is connected to positive electrode collectors (101, 102) and partially led out to the outside from the outer package (50); and (d) a negative electrode lead terminal (62) that is connected to a negative electrode collector (201) and partially lead out to the outside from the outer package (50). In this electricity storage device, the collector (102), which is not provided with through holes, is used as the outermost collector of the laminate structure, and the collectors (101, 201), which are provided with through holes, are used as the other collectors.

Inventors:
OTSUKA MASAHIRO (JP)
Application Number:
PCT/JP2012/077602
Publication Date:
May 10, 2013
Filing Date:
October 25, 2012
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/0585; H01G11/66; H01M4/587; H01M4/64; H01M4/66; H01M10/04
Foreign References:
JP2011216576A2011-10-27
JP2011146157A2011-07-28
JP2010205769A2010-09-16
JP2010009971A2010-01-14
Attorney, Agent or Firm:
NISHIZAWA, HITOSHI (JP)
Hitoshi Nishizawa (JP)
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Claims: