... Jianyi Lin2, and Li Lu*3 1School of Materials Science and Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei, Nanjing, 210094, China 2Institute of Chemical and ... and Engineering Science (ICES), 1 Pesek Road, Jurong Island, 627833, Singapore 3Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, 117576, Singapore ... nanostructure of the MnO2 layer. A highly porous MnO2 layer composed of interconnected nanoflakes is introduced in the present study instead of a dense MnO2 layer composed of closely packed...