초록 ▼

The metal foil of the positive electrode 1a or the negative electrode 1b in the power generating element 1 is connected along the connecting plate portion 2b which is folded, twisted, and provided in a protruding condition from the main portion 2a of the current-collector connector 2; hence the shap

The metal foil of the positive electrode 1a or the negative electrode 1b in the power generating element 1 is connected along the connecting plate portion 2b which is folded, twisted, and provided in a protruding condition from the main portion 2a 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.

대표청구항 ▼

What is claimed is: 1. A battery comprisinga battery case, a power generating element and a current-collector connector, whereinsaid power generating element is configured by winding a positive electrode and a negative electrode with an isolation material therebetween and forms an elliptic cylindric

What is claimed is: 1. A battery comprisinga battery case, a power generating element and a current-collector connector, whereinsaid power generating element is configured by winding a positive electrode and a negative electrode with an isolation material therebetween and forms an elliptic cylindrical shape having a flat side and a curved side,said current-collector connector comprises a plate-like main portion and a plurality of connecting plate portions,each of said connecting plate portions protrudes from said main portion,each of said connecting plate portions is disposed along an electrode face of said power generating element and electrically connected to said positive electrode or said negative electrode, andsaid main portion is disposed so as to face along said curved side of said elliptic cylindrical shape of said power generating element.