DISSIPATEUR DE CHALEUR AVEC DEUX CANAUX SÉPARÉS, OU PLUS COMPORTANT DE MATÉRIAU ISOLANT

摘要

The present disclosure discloses a heat sink with two or more separated channels. The heat sink according to the present disclosure includes a cooling channel through which a refrigerant passes to cool a secondary battery by an indirect cooling method, the secondary battery including a cell assembly in which at least two unit cells are stacked, each unit cell including a positive electrode plate, a separator, and a negative electrode plate, and a plurality of positive and negative electrode tabs protruding from the positive and negative electrode plates of each unit cell is electrically connected to positive and negative leads, respectively, wherein the cooling channel has two or more separated channels, and an insulation material is interposed between at least one of the two or more separated channels and a heat source. According to the present disclosure, provision of a heat sink having a uniform cooling effect is enabled.