CASE FOR FILM-PACKED ELECTRICAL DEVICE AND FILM-PACKED ELECTRICAL DEVICE ASSEMBLY

摘要

The cell case (10) of the present invention includes first cooling channel wall surfaces (13c) and second cooling channel wall surfaces (13d) that form a cooling channel (13A) through which cooling air flows for cooling a film-covered battery (1); wherein the area of the opening of a portion that is the outlet (13b) of cooling channel (13A) is greater than the area of the opening of the portion that is the inlet (13a) of the cooling channel (13A).