| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery with a lead of good connectivity (welding, adhesion), especially, spot welding property and reliability in strength in connection with an outer electronic equipment. SOLUTION: In the battery 1 provided with storage elements (a positive and a negative electrodes, and a separator) 2, 3, 4, a receptacle 7 for containing the storage elements, and leads 5, 6 individually joined with each electrode of the storage elements and guided outside the receptacle, the part of the lead beginning with the outside end of the receptacle up to a prescribed length L is made of one or more of nickel, nickel alloy, iron, and stainless steel.
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