Composite separator, composite electrolyte including the same, and lithium battery including the same

Abstract

Disclosed are a composite separator and a composite electrolyte and a lithium battery that include the composite separator, the composite separator including a first porous substrate and an ion-conductive composite film on the first porous substrate, wherein the ion-conductive composite film includes an oxide-based solid electrolyte and a first polymer including a carbonyl group, a content of the oxide-based solid electrolyte is greater than 80 wt % relative to the total weight of the oxide-based solid electrolyte and the first polymer, and the first porous substrate includes a plurality of second polymer fibers aligned in a first direction.

Dependencies are inferred from the claim text.