Patent attributes
A composite electrode material and a method for manufacturing the same, a composite electrode comprising the said composite electrode material and a method for manufacturing the same, and a lithium-based battery comprising the said composite electrode are disclosed. Specifically, a composite electrode material of the present invention comprises a core or a core with a surface covered by a buffer layer, preferably a conductive diamond film, wherein a material of the core is at least one selected from the group consisting of graphite, Sn, Sb, Si, and Ge; and a graphene nano-wall layer grown from the core or the conductive diamond film covering the core.