Patent ID: 8835049
Filing Date: 2014-09-16
Classification: C01G,C01P,H01M,Y02E

Abstract:
1. A negative active material for a rechargeable lithium battery, comprising: a core comprising an active material being capable of performing reversible electrochemical oxidation and reduction, the active material selected from the group consisting of a lithium metal, a lithium-containing alloy, and a material being capable of reversibly forming a lithium-containing compound by reacting with lithium ions; and a coating layer on the surface of the core, the coating layer having a reticular structure including —O-M-O— wherein M is selected from the group consisting of Si, Ti, Zr, Al, and combinations thereof, and an organic functional group linked to the M as a side chain; wherein the organic functional group is a substituted aryl group which is an aryl group substituted by at least one functional group selected from the group consisting of an alkyl group, a haloalkyl group, and combinations thereof.