Cylindrical electrochemical cell with cup seal for separator

Details Cylindrical electrochemical cell with cup seal for separator Cylindrical electrochemical cell with cup seal for separator

1998-07-24

2000-08-08

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

429133, 429129, 429131, 429140, 429142, 429145, 429164, H01M 218

Patent

active

06099987&

ABSTRACT:
A cylindrical electrochemical cell includes a cathode, an anode, a cylindrical separator, coaxial with the cell, for electrically separating the cathode and anode, and a cup seal at an end of the separator for electrically separating the anode and cathode and maintaining an ionic connection therebetween. The cup seal is comprised of one or more first layers of a micro-porous or a non-porous membrane, or a combination thereof, and one or more second layers of a porous membrane and wherein the seal overlaps at least a portion of the separator.

REFERENCES:
patent: 5272020 (1993-12-01), Flack
patent: 5300371 (1994-04-01), Tomantschger et al.
patent: 5424145 (1995-06-01), Tomantschger et al.
patent: 5462819 (1995-10-01), Jacus et al.
patent: 5789102 (1998-08-01), Jacus et al.
Derwent Abstract of CH 669 479 of Mar. 15, 1987.

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