| CPC H01M 10/658 (2015.04) [H01M 10/647 (2015.04); H01M 50/211 (2021.01); H01M 50/367 (2021.01); H01M 50/507 (2021.01)] | 20 Claims |
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1. A battery module comprising:
a housing including an internal space and a venting hole to allow gas to be discharged from the internal space;
a cell stack accommodated in the internal space and including a plurality of battery cells and a plurality of thermal blocking members that are stacked, wherein each of the plurality of the thermal blocking members is disposed between the plurality of battery cells;
a plurality of electrically conductive members electrically connected to the plurality of battery cells; and
a frame coupled to and structured to support the plurality of electrically conductive members and facing the plurality of battery cells,
wherein each of the plurality of battery cells includes an electrode assembly and an electrode accommodating portion accommodating the electrode assembly,
wherein at least one of the plurality of thermal blocking members disposed adjacent to one battery cell of the plurality of battery cells includes:
a body portion facing the electrode accommodating portion of the one battery cell; and
blocking portions extending from the body portion and disposed to at least partially block a gas flow,
wherein the blocking portions include a first blocking portion disposed on one side of the body portion,
wherein the first blocking portion includes:
a first end portion facing an inner surface of the frame;
a second end portion protruding further than the first end portion; and
a step portion connecting the first end portion to the second end portion,
wherein the step portion is disposed to overlap the venting hole.
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