Title:
多孔性セパレータ膜
Document Type and Number:
Japanese Patent JP5485728
Kind Code:
B2
Abstract:
To provide a porous separator film having high heat resistance, excellent short-circuit preventing property and low internal resistance, and serving as a separator for a lithium secondary battery.
The porous separator film includes a planar non-woven fabric base with multiple openings including non-conductive polymer fibers, and an inorganic whisker and binder polymer contained in the surface of the base and one or more regions selected from parts of pores present in the base. A pore structure is formed by gaps between the inorganic whiskers.
COPYRIGHT: (C)2011,JPO&INPIT
Inventors:
Yasuro Yokota
Application Number:
JP2010016509A
Publication Date:
May 07, 2014
Filing Date:
January 28, 2010
Export Citation:
Assignee:
Mitsubishi Paper Mills Co., Ltd.
International Classes:
H01M2/16
Domestic Patent References:
| JP10214610A | ||||
| JP2000030687A | ||||
| JP2002266281A | ||||
| JP9170153A | ||||
| JP2009123399A | ||||
| JP2008311221A |
Foreign References:
| WO2001019906A1 |