Porous carbon-metal/alloy composite material, synthesis method, and electrode including same

Abstract

A porous carbon-metal/alloy composite material includes a composition represented by (1−a)Sn1-xM1x+aM2+cC, wherein: M1 includes one or more transition metals, metals, or metalloids; M2 includes one or more transition metals, metals, or metalloids; x is 0≦x≦1; a is 0≦a≦1; and c is 0<c≦99. A method of forming the porous carbon-metal/alloy composite material includes the steps of dissolving one or more metal salts and a metal salt of polysaccharide to form a mixture; subjecting the mixture to heat treatment under an inert atmosphere to form carbon-metal/alloy composite material and metal salt by-product; and washing the formed carbon-metal/alloy composite material and the metal salt by-product with washing solvent to remove the metal salt by-product and obtain the porous carbon-metal/alloy composite material.

Dependencies are inferred from the claim text.