| abstract |
Described is a battery separator comprising: a microporous polymer film; and an optional coating on at least one side of the microporous polymer film, wherein the microporous polymer film and the optional coating are At least one contains additives. Additives selected from lubricants, plasticizers, nucleating agents, shrinkage reducers, surfactants, SEI improvers, cathodic protection agents, flame retardant additives, LiPF 6 salt stabilizers, overcharge protectants, aluminum corrosion inhibition, lithium deposition agents or modifiers or solvation enhancers, aluminum corrosion inhibitors, wetting agents and viscosity modifiers. Additionally, described are batteries, including lithium-ion batteries, that include one or more of the separators. Methods of making battery separators are also described. |