BATTERY MODULE

摘要

PURPOSE: A battery module having an improved heat radiation structure is provided to increasing the cooling speed of a cooling medium for improving the cooling efficiency. CONSTITUTION: A battery module(101) comprises the following: plural secondary batteries(10); a housing(23) for storing the secondary batteries; and plural protrusions(18) for separating the secondary batteries. The secondary batteries form plural battery rows by being laminated. The number of protrusions among the secondary batteries is different from the number of the battery rows.