polyoxometalate / reduced graphene oxide composites induced by ionic liquids as a high-rate cathode for batteries : “ killing two birds with one stone ” †

College of Chemical Engineering, State Chemical Engineering, Nanjing Tech Uni E-mail: yanxu@njtech.edu.cn Jiangsu Collaborative Innovation Centre of Key Laboratory of New Power Batteries, Col Nanjing Normal University, Nanjing 210023 College of Biological and Chemical Enginee 241000, P. R. China National and Local United Engineering La Chemistry Northeast Normal University, Ch † Electronic supplementary inform characterization, electrochemical perform Cite this: J. Mater. Chem. A, 2018, 6, 1743