Patent ID: 6156452
Filing Date: 2000-12-05
Classification: B23K,H01M,Y02E

Abstract:
A non-aqueous electrolyte secondary battery comprising:an electrode group comprising:a positive electrode;a negative electrode; anda separator;a non-aqueous electrolyte;a battery case to house them; anda positive electrode collector terminal and a negative electrode collector terminal one end of each of which functioning as an exterior terminal;wherein lead plates of each electrode are electrically connected to the other end of each of said collector terminals, the collector terminal of at least one of the positive and negative electrodes comprises an external section forming an exterior terminal outwardly projecting from the battery case and an internal section where lead plates taken out from the electrode group inside the battery case are connected, said external section and said internal section including respectively different metals, said external section and said internal section being integrally bonded by solid-phase bonding.