Cylindrical electrochemical cell with cup seal for separator
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United States of America Patent
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-
Aug 8, 2000
Grant Date -
N/A
app pub date -
Jul 24, 1998
filing date -
Jul 24, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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