Patent ID: 8329338
Filing Date: 2012-12-11
Classification: H01M,Y02E,Y02P

Abstract:
1. A battery comprising a battery case, a power generating element and a current-collector connector, wherein said 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 is disposed along an electrode face of said power generating element and electrically connected to said positive electrode or said negative electrode, said main portion is disposed along said curved side of said elliptic cylindrical shape of said power generating element, and a pinching plate which holds one of said connecting plate portions and said positive electrode or said negative electrode which is connected to said one of said connecting plate portions is provided in said battery.