Title:
セパレータ、及びそれを用いた非水系二次電池
Document Type and Number:
Japanese Patent JP5888079
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent a short circuit due to insufficient functioning of a heat-resistant layer when a separator is exposed to a high temperature exceeding the melting point of a porous resin layer.SOLUTION: A separator according to the present invention includes a first inorganic heat-resistant layer and a second inorganic heat-resistant layer facing each other across a porous resin layer. Each of the first inorganic heat-resistant layer and the second inorganic heat-resistant layer is a porous layer containing inorganic particles and a binder. The first inorganic heat-resistant layer has a smaller peel strength with respect to the porous resin layer than the second inorganic heat-resistant layer.
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Inventors:
Masahiro Shinkai
Emoto Kazutoshi
Takashi Minami
Tsuchiya Masahiro
Karyuku Yo
Emoto Kazutoshi
Takashi Minami
Tsuchiya Masahiro
Karyuku Yo
Application Number:
JP2012089610A
Publication Date:
March 16, 2016
Filing Date:
April 10, 2012
Export Citation:
Assignee:
tdk Corporation
International Classes:
H01M2/16
Domestic Patent References:
| JP2008234853A | ||||
| JP2012048932A | ||||
| JP2012049052A |
Other References:
新版高分子辞典,株式会社朝倉書店,1988年,初版,p.282