MICROPOROUS POLYMERIC MEMBRANE, BATTERY SEPARATOR, AND BATTERY
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United States of America Patent
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Issued Date -
Nov 21, 2013
app pub date -
Apr 30, 2013
filing date -
Nov 30, 2007
priority date (Note) -
Abandoned
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Abstract
The invention relates to microporous polymeric membrane having a good balance of rupture temperature and air permeability. The invention also relates to a battery separator formed by such a microporous membrane, and a battery comprising such a separator. Another aspect of the invention relates to a method for making the microporous polymeric membrane, a method for making a battery using such a membrane as a separator, and a method for using such a battery.
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