A return pipe recirculates gas during chamber vacuuming to keep foil exterior bodies from collapsing and blocking gas channels.
Identification, diversion, and return buffering keep battery trays moving to the right positions while reducing congestion in module assembly lines.
Brazed integrated coolers replace separate tube members, simplifying battery pack assembly while maintaining pressure-adjustable cell cooling.
A pressurizing fixing member secures a mounted battery without tape, enabling safe removal, less damage risk, and easier recycling.