Microporous battery separators including polyolefin layer and non-woven layer with alkylbenzene sulfonic acid lithium salt surfactant, lithium batteries utilizing the same, and methods of manufacture of the same
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United States of America Patent
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Aug 11, 2020
Grant Date -
Nov 10, 2016
app pub date -
May 5, 2016
filing date -
May 8, 2015
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Abstract
In accordance with at least certain embodiments, the present invention is directed to novel, improved, coated, or treated separator membranes, separators or membrane based separators for lithium batteries. The membranes or separators may include non-woven layers, improved surfactant treatments, or combinations thereof. The separators or membranes are useful for solvent electrolyte lithium batteries, especially rechargeable lithium ion batteries, and provide improved performance, wettability, cycling ability, and/or recharging efficiency.
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