CPC H01M 50/383 (2021.01) [H01M 10/613 (2015.04); H01M 10/627 (2015.04); H01M 10/658 (2015.04); H01M 10/6555 (2015.04); H01M 50/507 (2021.01); H01M 2220/10 (2013.01)] | 18 Claims |
1. A battery module comprising:
at least two cell assemblies, each of the at least two cell assemblies including a plurality of secondary batteries electrically connected to each other and stacked in a front-rear direction;
a module housing having a first side wall, a second side wall and an internal space in which the at least two cell assemblies is received;
a first gas passage formed between the first side wall and a first side of the at least two cell assemblies for circulation of gas generated from the at least two cell assemblies; and
a flame retardant plate extending in a left-right direction including:
a body formed in a plate shape and interposed between the at least two cell assemblies, and
a first flame barrier extending in the left-right direction from a first end of the body and disposed in part of the first gas passage.
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