Alkaline electrolyte secondary electric cell
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United States of America Patent
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Aug 20, 2002
Issued Date -
N/A
app pub date -
Jan 4, 2000
filing date -
Oct 3, 1996
priority date (Note) -
Expired
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Abstract
An alkaline electrolyte secondary electric cell comprises at least one positive electrode and one negative electrode positioned on either side of a separator composed of polyolefin fibers grafted with a vinyl monomer. The cell contains a device for absorbing and retaining nitrogen in a strongly basic medium, with a pH of at least 12. This device is constituted by the separator.
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