The application discloses a pressure equalizing device (, ) for a battery box (). The pressure equalizing device comprises: a cage (, ) for attachment to a valve opening () in the battery box, the cage defining a fluid passage (, ) for movement of gas betw...

A vent deflector assembly for a prismatic battery cell includes a base defining an opening, a hinge having a first portion and a second portion movable with respect to the first portion, the first portion being coupled to the base, and a lid coupled to the...

A secondary battery includes an electrode assembly, a case accommodating the electrode assembly, the case including an opening on one side thereof, a cap assembly seated in the opening of the case, the cap assembly including a vent hole penetrating the cap...

Embodiments of the present disclosure relate to the field of energy storage and provide a battery pack and an energy storage system. The battery pack includes a bottom plate, a frame, and a plurality of explosion-proof valves. The bottom plate and the fram...