BATTERY PACK AND ELECTRICALLY POWERED VEHICLE PROVIDED WITH THE SAME

摘要

PURPOSE: A battery pack is provided to put a necessary sealing agent at state a lower flange part and a upper flange part are overlapped each other, thereby obtaining enough sealing properties. CONSTITUTION: A battery pack(1) comprises a single cell, a packaging case(3) accepting the single cell, a tray(30) arranging(30) for arranging the single cell, and a cover(31) covering the single cell. The tray comprises a lower flange part, and the cover comprises an upper flange part. The lower flange part and the upper flange part are overlapped each other in the state the single cell is covered by the cover, comprise a separation part in at least a part of facing plane in the overlapped state. A sealing agent(S) is arranged on the separation part.