▎ 摘 要
NOVELTY - An electrochemical-storage sodium composite electrode comprises 80 %mass composite containing tin-cobalt sulfide nanocrystals and graphene in the mass ratio of 1:2 as active substance, 10 %mass acetylene black, and 10 %mass carboxymethyl cellulose. USE - Electrochemical-storage sodium composite electrode (claimed). ADVANTAGE - The electrochemical-storage sodium composite electrode has high storage capacity, and excellent cycle performance, and charging/discharging characteristics. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of electrochemical-storage sodium composite electrode.