Patent ID: 9748531
Date: 2017-08-29
CPC Classifications: H01M,Y02E,Y02P

Claim:
1. A cap assembly for a battery, comprising: a roll combination member, comprising at least one opening, so that a terminal disposed portion of a roll is capable of passing through the opening, wherein the terminal disposed portion is formed by a bending portion of two ends of a central member of the roll, the roll combination member is located at one of the two ends of the central member of the roll; a terminal combination member, fixed on the roll combination member and having a recess portion; and an electrode terminal, a strength reinforcing block, a cap, and a pad assembly; wherein the electrode terminal, the strength reinforcing block, the cap and the pad assembly are sequentially combined on the terminal combination member, wherein the electrode terminal comprises an electrically conductive portion and a thermally conductive portion which surrounds the electrically conductive portion, the thermally conductive portion is disposed between the strength reinforcing block and the terminal combination member, and the thermally conductive portion has a flat portion directly connected to the recess portion of the terminal combination member, wherein the central member comprises: