| abstract |
The metal foil of the positive electrode 1 a or the negative electrode 1 b in the power generating element 1 is connected along the connecting plate portion 2 b which is folded, twisted, and provided in a protruding condition from the main portion 2 a of the current-collector connector 2 ; hence the shape of the current-collector connector 2 becomes easy to form, and a battery capable of enhancing current collection efficiency, reliability and workability can be provided. |