Patent ID: 9293744
Filing Date: 2016-03-22
CPC Classification: H01M,Y02E

Claim Text:
1. A rechargeable battery, comprising: an electrode assembly including a first electrode, a second electrode, and a separator provided between the first electrode and the second electrode; a first current collecting plate electrically connected to the first electrode; a second current collecting plate electrically connected to the second electrode; and a case including the electrode assembly, the first current collecting plate, and the second current collecting plate, the case having a length direction and a width direction, the first current collecting plate being electrically connected to an inner wall of the case, wherein: the first current collecting plate includes a plurality of spaced protrusions extending along the length direction and welded with the inner wall of the case, adjacent protrusions being spaced apart by a groove in contact with the first electrode, each of the protrusions establishing electrical contact between the first current collecting plate and the case, each of the protrusions made of a heat-conducting material, and each ones of the protrusions transfers heat generated inside the case to outside the case through a path that passes through areas where the protrusions contact the inner wall of the case.