THREE-REGION BATTERY SEPARATOR
Disclosed is a battery separator, comprising a coarse fiber region comprising fibers, such as glass fibers, having an average diameter of greater than or equal to 2 μm; a first fine fiber region comprising glass fibers having an average diameter of less than or equal to 2 μm, and a second fine fiber...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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