▎ 摘 要
NOVELTY - A graphene-carbon nano-wall composite material comprises a carbon substrate, nano carbon wall attached to several carbon substrates, and multiple graphene sheet attached to each nano-carbon on the wall. USE - Graphene-carbon nano-wall composite material for use in electrode (claimed). DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) a method for preparing graphene-carbon nano-wall composite material (2) super capacitor (3) a battery (4) an electrode.