NONAQUEOUS ELECTROLYTE BATTERY

PROBLEM TO BE SOLVED: To stably and reliably bond a conductive connection lead of Ni and Cu by bonding the Al surface of a clad body formed by the conductive connection lead, an easily weldable metal material and aluminum to a conductive connection part for an external circuit formed on an AL battery header bonded to an AL battery can with both surfaces facing each other and forming a conductive connection surface of an easily weldable metal surface. SOLUTION: A battery header 7 is welded to a battery can 6 of aluminum, and a negative terminal 8 is provided with an insulating material 9 interposed. The aluminum surface of a clad body 11 is bonded to the aluminum surface of the conductive connection part 10 of the battery header 7 with both surfaces facing each other. A nickel surface is formed on the conductive connection part 10, and a positive electrode side lead of an easily weldable metal can be easily welded to it by resistance welding, laser welding, ultrasonic welding and the like. Since an external lead can be bonded to the surface of the easily weldable metal such as nickel, they can be reliably bonded.