Title:
SEPARATOR, MANUFACTURING METHOD FOR SAID SEPARATOR, AND LITHIUM ION SECONDARY BATTERY USING SAID SEPARATOR
Document Type and Number:
WIPO Patent Application WO/2016/140311
Kind Code:
A1
Abstract:
Disclosed is a separator for a lithium ion secondary battery, said separator having a layer of a decomposed product of a supporting salt on at least one surface of a substrate. This separator can inhibit short-circuiting caused by dendrite deposition of a lithium metal during lithium deposition.
Inventors:
YOSHIDA NOBORU (JP)
SHIMURA KENICHI (JP)
INOUE KAZUHIKO (JP)
SHIMURA KENICHI (JP)
INOUE KAZUHIKO (JP)
Application Number:
PCT/JP2016/056611
Publication Date:
September 09, 2016
Filing Date:
March 03, 2016
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H01M10/052; H01M10/0566; H01M10/058; H01M50/409; H01M50/443
Foreign References:
| JP2002198025A | 2002-07-12 | |||
| JP2003187867A | 2003-07-04 |
Other References:
ROBERT KOSTECKI ET AL.: "Diagnostic Studies of Polyolefin Separators in High- Power Li-Ion Cells", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 151, no. 4, 2004, pages A522 - A526
Attorney, Agent or Firm:
ITO, Katsuhiro et al. (JP)
Katsuhiro Ito (JP)
Katsuhiro Ito (JP)
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