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Patent Searching and Data


Title:
LAMINATED FILM AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2011/055731
Kind Code:
A1
Abstract:
Disclosed are a laminated film and a nonaqueous electrolyte secondary battery. The laminated film is obtained by sequentially laminating a porous film that has a shut down function, a heat-resistant porous layer that is formed from an inorganic filler and a binder, and a protective porous layer in this order, while being in contact with each other. The nonaqueous electrolyte secondary battery comprises a positive electrode, a negative electrode, a separator that is arranged between the positive electrode and the negative electrode, and an electrolyte. The separator is composed of the above-described laminated film.

Inventors:
SHINOHARA YASUO (JP)
YASHIKI DAIZABURO (JP)
SATO HIROYUKI (JP)
Application Number:
PCT/JP2010/069547
Publication Date:
May 12, 2011
Filing Date:
October 27, 2010
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
SHINOHARA YASUO (JP)
YASHIKI DAIZABURO (JP)
SATO HIROYUKI (JP)
International Classes:
H01M10/058; H01M50/434; H01M50/437; H01M50/443; H01M50/449; H01M50/451; H01M50/457; H01M50/491
Domestic Patent References:
WO2007049568A12007-05-03
Foreign References:
JP2008255202A2008-10-23
JP2006164873A2006-06-22
JP2009197096A2009-09-03
JP2008243805A2008-10-09
JP2005285385A2005-10-13
Other References:
See also references of EP 2498319A4
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
Nakayama δΊ¨ (JP)
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