Separators for winding-type lithium secondary batteries...

Details Separators for winding-type lithium secondary batteries... Separators for winding-type lithium secondary batteries...

2005-08-02

2005-08-02

Yuan, Dah-Wei (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

C429S247000, C429S249000, C429S253000

Reexamination Certificate

active

06924065

ABSTRACT:
A porous separator for a winding-type lithium secondary battery having a gel-type polymer electrolyte includes a matrix made of polyvinyl chloride, or a matrix made of mixtures of polyvinylchloride and at least one polymer selected from the group consisting of polyvinylidenefluoride, a vinylidenefluoride/hexafluoropropylene copolymer, polymethacrylate, polyacrylonitrileand polyethyleneoxide.

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patent: 2001-84984 (2001-03-01), None

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