Patent ID: 6716552
Filing Date: 2004-04-06
Classification: H01M,Y02E,Y02P

Abstract:
A secondary lithium battery comprising:a cylindrical or prismatic configuration having a negative electrode comprising a copper current collector, an electrode active mix on said collector, and a tab affixed to said collector, a positive electrode comprising a current collector, an electrode active mix on said collector, and a tab affixed to said collector, a microporous separator membrane between said electrodes, an electrolyte impregnating said separator and being in fluid communication with said electrodes, a metal package, adapted for containing said electrodes, said separator, and said electrolyte, comprises a can having an interior surface and a lid, one said tab being electrically connected to said can and said other tab being electrically connected to said lid, and said copper current collector being in direct thermal contact with a substantial portion of said interior surface of said can.