| CPC H01M 50/24 (2021.01) [H01M 10/653 (2015.04); H01M 10/6551 (2015.04); H01M 50/211 (2021.01); H01M 50/244 (2021.01); H01M 50/258 (2021.01); H01M 50/271 (2021.01); H01M 50/507 (2021.01)] | 20 Claims |
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1. A battery module comprising:
a cell assembly comprising one or more battery cells and a busbar assembly electrically connecting the one or more battery cells;
a module case comprising an opening part at least partially opened on one surface, and forming an accommodating space for accommodating the cell assembly therein through the opening part, and comprising a module lower panel forming a bottom surface of the accommodating space, and wherein the module lower panel comprises at least one bottom groove;
a module cover coupled to the module case to close the opening part; and
a filling part which is injected in a liquid state into a filling space between an outside of the busbar assembly and the module case and comprises an electrically insulating material, and
wherein the at least one bottom groove and the busbar assembly are coupled by a tight fitting,
wherein the module case further comprises a module first side panel and a module second side panel extending toward the module cover from both edges of the module lower panel parallel to a first direction, respectively,
wherein the module first side panel comprises at least one side groove extending along the height direction of the module case, and
wherein the module second side panel comprises at least one side groove extending along the height direction of the module case.
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