Battery module

Abstract

A battery module according to the present invention includes: a cell stack including a plurality of battery cells that are stacked; a pair of end plates disposed at opposite ends of the cell stack in a stacking direction of the cell stack; and a buffer interposed at least between the battery cells or between the battery cell and the end plate, the buffer comprising an outer frame-forming elastic member, a separating elastic member disposed to surround a central portion of the outer frame-forming elastic member, a compressible fluid filling an interior of the separating elastic member, and a liquid filling an exterior of the separating elastic member.

Dependencies are inferred from the claim text.