A battery module according to one embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells are stacked, a module frame that surrounds the battery cell stack, a bus bar frame that covers the portion of the bat...

A system configured to assess structural integrity of a battery pack component. The system includes: a tub configured to receive the battery pack component therein; a cover configured to sit on the tub and the battery pack component within the tub, and for...

Presented are smart testing systems for detecting leaks in electrochemical devices, methods for making/using such testing systems, and memory-stored instructions for automating operation of such systems. A method of detecting a leak in an electrochemical d...

A test method, a test apparatus (126), a test system (116), and a storage medium are provided, so as to solve the technical problem of how the leakage of a battery cell is detected. The test method of this embodiment of this application includes: (S10) obt...

Disclosed are a helium detection device and a helium detection equipment. The helium detection device includes a helium injection mechanism, a replacing mechanism and a finger-clamp mechanism, a sealing nozzle can be plugged into one end of a helium inject...

A secondary battery comprising a housing to receive an electrode assembly is disclosed. The secondary battery comprises an inner liquid impermeable sheet bonded to the housing, an outer liquid permeable sheet bonded to the inner sheet and an indicator loca...