Patent ID: 6521374
Filing Date: 2003-02-18
Classification: H01M,Y02E,Y02P

Abstract:
A lithium secondary cell comprisinga battery can having two ends and at least one lid at one end, an electrode unit serving as an electricity generating element and housed in the battery can, and positive and negative electrode terminals attached as electrically insulated from each other to the battery can and lid, and the positive and negative electrode terminals extending through a hole in the lid of the can, the electrode unit having positive and negative electrodes electrically connected to the positive and negative electrode terminals, respectively, the lithium secondary cell being characterized in that the positive electrode terminal is formed from an aluminum alloy containing at least 1.0 wt. % of different metals selected from the group consisting of Mg, Si, Fe, Cu, Mn, Zn, Cr, and B as additive elements, wherein the aluminum alloy contains at least magnesium and silicon.