Bus bar rupture portion with through-holes melts via Joule heating to interrupt overcurrent and prevent thermal runaway.
Protrusions on electrode tabs direct welding current to terminals, preventing leakage and improving coupling force.
A secondary battery pack uses mechanical pressing to join the protection circuit module to electrode terminals.
A hinged bus bar cover isolates high-voltage connections, preventing short circuits and safety accidents caused by external contact.
Fluorinated materials abate combustion in Li-ion batteries, preventing fire spread and maintaining pack integrity during thermal runaway.