Film for a separator of electrochemical apparatus, and productio

Details Film for a separator of electrochemical apparatus, and productio Film for a separator of electrochemical apparatus, and productio

1997-09-22

2000-08-01

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

429252, 429320, H01M 216

Patent

active

060964561

ABSTRACT:
This invention provides a film comprising a cross-linked polymer having an oxyalkylene group or a cross-linked polymer having an oxyalkylene group through a urethane bond, as a constituent component, a production method of the film, and an electrochemical apparatus using the film as a separator.
The film for separator of an electrochemical apparatus can be easily and uniformly processed, can include an electrolytic solution, exhibits good film thickness and ensures excellent safety and reliability. The electrochemical apparatus is free of leakage of the solution.

REFERENCES:
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patent: 4994335 (1991-02-01), Kamei et al.
patent: 5217827 (1993-06-01), Fauteux et al.
patent: 5225298 (1993-07-01), Nakayama et al.
patent: 5358620 (1994-10-01), Golovin et al.
patent: 5389463 (1995-02-01), Chang et al.
patent: 5597661 (1997-01-01), Takeuchi et al.
patent: 5665490 (1997-09-01), Takeuchi et al.

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