Abstract: A rechargeable battery pack including: a plurality of unit battery packs stacked and coupled to each other in multiple stages, the unit battery packs having a cooling water line formed therein to circulate cooling water inside the unit battery pack; and a connection part connecting the cooling water line in adjacent ones of the unit battery packs to each other such that the cooling water line is configured to circulate cooling water therebetween.

Abstract: A rechargeable battery module includes a plurality of unit cells that are stacked in a first direction and electrically connected with each other; an end cell cover that is adjacent to an outermost unit cell in the first direction among the plurality of unit cells, the end cell cover including at least one adhesive accommodation buffer adjacent to an edge thereof; an end plate at an outer side of the end cell cover and configured to support the plurality of unit cells by pressing the plurality of unit cells in the first direction; and a side plate that extends in the first direction and is configured to support a side surface of the plurality of unit cells.

Abstract: A battery pack includes at least one battery cell and a connection circuit part electrically connected to the at least one battery cell, and the connection circuit part includes a connection wiring arranged on the at least one battery cell and electrically connected to the at least one battery cell, a heat-blocking layer between the at least one battery cell and the connection wiring, a busbar arranged at at least any of a position above or below the heat-blocking layer and connected to the at least one battery cell, and thermal fusion layers pressed to face each other with the connection wiring, the heat-blocking layer, and the busbar together therebetween.

Abstract: A rechargeable battery pack including: a plurality of unit battery packs stacked and coupled to each other in multiple stages, the unit battery packs having a cooling water line formed therein to circulate cooling water inside the unit battery pack; and a connection part connecting the cooling water line in adjacent ones of the unit battery packs to each other such that the cooling water line is configured to circulate cooling water therebetween.