title: Ultrafine MnO2Nanowire Arrays Grown on Carbon Fibers for High-Performance Supercapacitors.
abstract: Large-area ultrafine MnO2nanowire arrays (NWA) directly grew on a carbon fiber (CF, used as a substrate) by a simple electrochemical method, forming three-dimensional (3D) hierarchical heterostructures of a CF@MnO2NWA composite. As an electrode for supercapacitors, the CF@MnO2NWA composite exhibits excellent electrochemical performances including high specific capacitance (321.3 F g-1at 1000 mA g-1) and good rate capability. Further, the overall capacitance retention is ~99.7 % capacitance after 3000 cycles. These outstanding electrochemical performances attribute to a large number of transport channels for the penetration of electrolyte and the transportation of ions and electrons of electrodes. The as-prepared CF@MnO2NWA composite may be a promising electrode material for high-performance supercapacitors.
authors.affiliation: No.2 High School Attached to East China Normal University, Shanghai, 201203, People's Republic of China.
authors.forename: Jiyu
authors.initials: J
authors.lastname: Hu
authors.affiliation: No.2 High School Attached to East China Normal University, Shanghai, 201203, People's Republic of China.
authors.forename: Feng
authors.initials: F
authors.lastname: Qian
authors.affiliation: Institute of Functional Nano & Soft Materials (FUNSOM), Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu, People's Republic of China.
authors.forename: Guosheng
authors.initials: G
authors.lastname: Song
authors.affiliation: School of Material Engineering, Shanghai University of Engineering Science, Shanghai, 201620, People's Republic of China. liwenyao314@gmail.com.
authors.forename: Wenyao
authors.initials: W
authors.lastname: Li
authors.affiliation: College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, People's Republic of China.
authors.forename: Linlin
authors.initials: L
authors.lastname: Wang
keywords: CF@MnO2; Large area; Supercapacitors; Ultrafine nanowires