Composite substrate for rechargeable lithium battery and method of fabricating the same

Abstract

Disclosed are negative electrode composite substrates and fabrication methods thereof. The method of fabricating a negative electrode composite substrate includes performing a plasma treatment on at least a portion of a surface of a support layer, forming a first metal layer on the surface of the support layer, and forming a second metal layer on the first metal layer. Forming the first metal layer includes impregnating the support layer with a first solution including a first copper ion to adsorb the first copper ion to the surface of the support layer, and impregnating the support layer with a second solution including a reductant to reduce the first copper ion. Forming the second metal layer includes impregnating the support layer and the first metal layer on the support layer with a third solution including a second copper ion.

Dependencies are inferred from the claim text.