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Title:
The separator for lithium ion batteries
Document Type and Number:
Japanese Patent JP6159319
Kind Code:
B2
Abstract:
A lithium ion battery separator in which a layer composed mainly of an inorganic pigment, a layer composed of a mixture of an inorganic pigment and a base fiber, and a layer composed mainly of a base fiber are overlaid in this order, can increase the safety of a lithium ion battery obtained by using the separator and make the cycle characteristics of the battery improved.

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Inventors:
Keio Masuda
Nobuko Takahama
Takahito Ochiai
Makoto Kato
Kato Kazumi
Kasako Emiko
Application Number:
JP2014516877A
Publication Date:
July 05, 2017
Filing Date:
May 17, 2013
Export Citation:
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Assignee:
Mitsubishi Paper Mills Co., Ltd.
International Classes:
H01M50/403; H01M50/411; H01M50/417; H01M50/431; H01M50/457
Domestic Patent References:
JP2007294437A
JP2011505663A
JP2005536658A
JP2008208511A
Attorney, Agent or Firm:
Shizuo Nakamura



 
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