FIELD: electronic equipment.
SUBSTANCE: invention relates to new, improved, coated or treated separator membranes, separators or membrane separators for lithium batteries. Such membranes or separators can include non-woven layers, improved treatment with surfactants or their combinations.
EFFECT: separators or membranes are suitable for lithium batteries with solvent-based electrolyte, especially rechargeable lithium-ion batteries, and provide improved operational characteristics, wettability, cycling ability and/or efficiency of recharging.
14 cl, 5 dwg, 4 tbl
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