BATTERY SEPARATORS
There is described a battery separator comprising: a porous membrane (preferably of a cellulose film) having a mean thickness less than about 25 microns (preferably 15 microns) and optionally with one or more of the following properties: a) a tensile strength when dry (measured in the transverse dir...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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