| CPC H01M 10/6556 (2015.04) [H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/647 (2015.04); H01M 50/209 (2021.01); H01M 50/289 (2021.01); H01M 50/505 (2021.01); H01M 2220/20 (2013.01)] | 16 Claims |
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1. A battery pack comprising:
a module of a plurality of modules, comprising:
a plurality of cell stacks, each cell stack of the plurality of cell stacks comprising a plurality of unit cells arranged in a first direction and an insulation member insulating at least one unit cell of the plurality of unit cells;
a module housing comprising an outer wall; and
a plurality of receiving parts in the module housing, the plurality of receiving parts configured to accommodate the plurality of cell stacks;
wherein each receiving part of the plurality of receiving parts includes a fixed wall, the fixed wall comprising a pair of end walls at opposite ends of the receiving part in the first direction,
wherein a cooling channel for a coolant to flow to cool the plurality of receiving parts and the plurality of cell stacks is below a floor surface of the module housing,
wherein an end wall of the pair of end walls faces the outer wall of the module housing and is spaced apart from the outer wall in the first direction by a first impact absorption space between the end wall and the outer wall,
wherein the plurality of modules comprises a first module and a second module adjacent to the first module and coupled to the first module, and
wherein a first connection part is disposed in a second wall of a first module and a second connection part is disposed in a first wall of a second module corresponding to the second wall of a first module, and
wherein a bus bar for electrical connection with the first module and the second module is connected through the first connection part and the second connection part.
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