Patent ID: 9401500
Filing Date: 2016-07-26
CPC Classification: H01M,Y02E

Claim Text:
1. A battery package having a top case and a bottom case as a battery cell case for housing a battery cell, the top and bottom cases being adhered to each other, wherein at least one of the top and bottom cases comprises: a top sheet plate repeatedly undulated at predetermined intervals to form a plurality of unidirectionally extended convex parts; a bottom sheet plate formed in a flat shape and adhered to the top sheet plate; enclosed phase change material filling parts disposed in a gap between convex parts and the bottom sheet plate; and a phase change material filled in the phase change material filling parts, wherein at least one end of each of the convex parts is formed with a phase change material introduction needle aperture for introducing the phase change material into the enclosed phase change material filling parts, wherein the bottom sheet plate has a same size as the top sheet plate, and wherein a wider marginal area which remains on the bottom sheet plate is adhered to the top sheet plate while wrapping the side areas of the battery cell, to enclose the battery cell.