Enhanced Capacitive Properties of All-solid-state Symmetric Graphene Supercapacitors by Incorporating Nitrogen-doping and SnO2 Nanoparticles
YU Jian-Hua, XU Li-Li, ZHANG Wu-Shou, ZHU Qian-Qian, WANG Xiao-Xia, DONG Li-Feng
Journal of Inorganic Materials . 2015, (6): 662 -666 .  DOI: 10.15541/jim20140527