Battery module, battery rack, and power storage device

• Main Authors: SHIN EUN-GYU, CHO YOUNG-BUM, YOO JAE-MIN, KIM SEUNG-JOON
• Format: Patent
• Language: Chinese; English
• Published: 11.11.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; FIRE-FIGHTING; HUMAN NECESSITIES; LIFE-SAVING; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

Provided is a battery module capable of preventing the propagation of a fire and preventing an electrical short circuit due to condensation when a fire occurs. In order to achieve the above object, the battery module includes: a battery cell assembly including a plurality of battery cells; the front cover comprises a top wall, a bottom wall, a left wall and a right wall which form an internal space; and a module case coupled to the front cover when the battery cell assembly is accommodated in the internal space, and including a cover portion protruding such that a portion of the cover portion faces at least one of the top wall, the bottom wall, the left wall, and the right wall. 本发明提供一种电池模块，当发生火灾时，所述电池模块能够防止火灾蔓延，并且能够防止由于结露而引起的电气短路。为了实现上述目的，所述电池模块包括：电池单体组件，所述电池单体组件包括多个电池单体；前盖，所述前盖包括形成内部空间的顶壁、底壁、左壁和右壁；和模块外壳，在所述电池单体组件被容纳在所述内部空间中时，所述模块外壳被联接到所述前盖，并且所述模块外壳包括盖部，所述盖部突出为使得所述盖部的一部分面对所述顶壁、所述底壁、所述左壁和所述右壁中的至少一个。