Facile synthesis of MnO2rGONi composite foam with excellent pseudocapacitive behavior for supercapacitors》.pdf

Journal of Alloys and Compounds 649 (2015) 579 e584 Contents lists available at ScienceDirect Journal of Alloys and Compounds journal homepage: http://www.elsevier .com/locate/jalcom Facile synthesis of MnO /rGO/Ni composite foam with excellent 2 pseudocapacitive behavior for supercapacitors Youyi Sun a, Wenhui Zhang a, Diansen Li b, Li Gao a, Chunlin Hou a, Yinghe Zhang c, Yaqing Liu a, * a Research Center for Engineering Technology of Polymeric Composites of Shanxi Province, North University of China, Taiyuan 030051, PR China b Key Laboratory of Bio-Inspired Energy Materials and Devices, School of Chemistry and Environment, Beijing University of Aeronautics and Astronautics, Beijing 100191, PR China c International Center for Science and Engineering, Waseda University, Shinjuku-ku, Tokyo 169-8555, Japan a r t i c l e i n f o a b s t r a c t Article history: In this study, the MnO /reduced graphene oxide/Ni (MnO /rGO/Ni) composite foam as a binder-free 2 2 Received 3 June 2015 supercapacitor electrode was prepared by a facile method. The rGO film has been firstly coated on the Received in revised form skeletons of Ni foam current collectors by chemical deposition method and that have been used as 22 July 2015 substrates for preparation of a novel three dimensional rGO/Ni composite foam-supported porous MnO2 Accepted 23 July 2015