| CPC H01M 10/613 (2015.04) [H01M 10/625 (2015.04); H01M 10/647 (2015.04); H01M 10/6551 (2015.04); H01M 10/6554 (2015.04); H01M 10/6555 (2015.04); H01M 10/6556 (2015.04); H01M 10/6557 (2015.04); H01M 10/6568 (2015.04); H01M 50/244 (2021.01); H01M 50/249 (2021.01); H01M 50/209 (2021.01); H01M 50/271 (2021.01); H01M 50/296 (2021.01); H01M 2220/20 (2013.01)] | 11 Claims |
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1. A battery module comprising:
a plurality of battery cells stacked in a vertical direction, wide faces to be positioned horizontally;
a plurality of cooling fins placed between the plurality of battery cells stacked in a vertical direction;
a cooling body assembled to be contact with the plurality of cooling fins at the both sides of the plurality of battery cells stacked in a vertical direction, and
a plurality of sub-modules stacked in a vertical direction, each sub-module comprises a cell frame, at least four battery cells of the plurality of battery cells arranged, within the cell frame, at least two in a horizontal direction and at least two stacked in the vertical direction, and at least one cooling fin of the plurality of cooling fins placed between the at least two stacked in the vertical direction,
wherein each of the plurality of cooling fins comprises a horizontal part being in contact with the wide faces of the plurality of battery cells stacked in a vertical direction, and a vertical part formed at a first end of the horizontal part in vertical direction,
a second end of the horizontal part opposing the first end is in physical contact with a neighboring cooling fin,
vertical parts of the plurality of cooling fins are connected to the cooling body.
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