Patent ID: 11909055
Assignee: PANASONIC HOLDINGS CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 4:
5. The secondary battery according to claim 1,
wherein one of the internal terminals that is connected to one of the positive electrode plate and the negative electrode plate includes the first portion made of the first metal and the second portion made of the second metal,
wherein one of the external terminals that is connected to the one of the internal terminals is made of the second metal and joined to the second portion of the one of the internal terminals at the rivet,
wherein another one of the internal terminals that is connected to another one of the positive electrode plate and the negative electrode plate is made of the second metal, and
wherein another one of the external terminals that is connected to the other one of the internal terminals is made of the second metal and joined to the other one of the internal terminals at the rivet.