Patent ID: 6051340
Filing Date: 2000-04-18
Classification: H01M,Y02E

Abstract:
In a rechargeable lithium battery containing an anode, the improvement which comprises:an anode comprising (a) a collector comprising a first metal incapable of being alloyed with lithium which is generated upon operating charging, and (b) a layer on said collector, comprising said first metal incapable of being alloyed with lithium which is generated upon operating charging and a second metal capable of being alloyed with lithium which is generated upon operating charging,wherein said first metal is selected from the group consisting of at least one of Ni, Ti, Cu, Ag, Au, Pt, Fe, Co, Cr, W and Mo, and said second metal is selected from the group consisting of at least one of Al, Mg, K, Na, Ca, Sr, Ba, Si, Ge, Sb, Pb, In and Zn andwherein said anode does not contain lithium prior to initial operating charging.