the disclosed electrode terminal , which is used with batteries of which a positive output terminal and a negative output terminal are formed from metals dissimilar to each other , has excellent mechanical strength and can suppress electrical resistance while preventing galvanic corrosion . the electrode terminal for power output is used with batteries of which a pair of output terminals are each formed from a different metal , and has : a solid cylindrical shaft that attaches to one output terminal and that is formed from the same metal as the one output terminal ; and an outer cylinder that connects with the cylindrical shaft and that is formed from the same metal as the other output terminal . the shaft and the outer cylinder are unified by means of metallic bonding .