Battery module
地域：
Yongin-si
摘要
A battery module includes: one or more cell assemblies; a main housing comprising a main boundary portion surrounding an accommodation space in which the one or more cell assemblies are positioned; a first plate comprising a first boundary portion coupled with the main boundary portion and a first exposure portion exposed from the main boundary portion and defining a side of a cooling fluid passage for cooling the accommodation space; and a second plate facing the first plate and comprising a second boundary portion coupled with the main boundary portion and a second exposure portion exposed from the main boundary portion and defining an other side of the cooling fluid passage.
說明書
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According to some embodiments, the first boundary portion P1a and the first exposure portion P1b included in the first plate P1 may be connected to have a step difference in the thickness direction (the third direction Z3) of the first plate P1. In more detail, the first exposure portion P1b may include an upper surface having an upward step difference from the first boundary portion P1a, and thus, may be formed to be thicker than the first boundary portion P1a. As described above, the step difference between the first exposure portion P1b and the first boundary portion P1a included in the first plate P1 may define the filling space in which the filling member 30 is filled.
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