CPC H01M 50/383 (2021.01) [H01M 10/12 (2013.01); H01M 2220/20 (2013.01); Y02E 60/10 (2013.01)] | 14 Claims |
1. A battery separator comprising an oil layer on a porous membrane or mat, wherein the oil layer comprises one or more oils selected from the group consisting of naturally derived oils and synthetically derived oils, wherein
the oil layer further comprises a material that is soluble in a lead acid battery electrolyte and capable of encapsulating the one or more oils.
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