title: Carbon nanofibers decorated with molybdenum disulfide nanosheets: synergistic lithium storage and enhanced electrochemical performance.
abstract: Traditional lithium-ion batteries that are based on layered Li intercalation electrode materials are limited by the intrinsically low theoretical capacities of both electrodes and cannot meet the increasing demand for energy. A facile route for the synthesis of a new type of composite nanofibers, namely carbon nanofibers decorated with molybdenum disulfide sheets (CNFs@MoS2), is now reported. A synergistic effect was observed for the two-component anode, triggering new electrochemical processes for lithium storage, with a persistent oxidation from Mo (or MoS2) to MoS3 in the repeated charge processes, leading to an ascending capacity upon cycling. The composite exhibits unprecedented electrochemical behavior with high specific capacity, good cycling stability, and superior high-rate capability, suggesting its potential application in high-energy lithium-ion batteries.
authors.affiliation: Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei 230026 (P. R. China) http://staff.ustc.edu.cn/∼yulab/
authors.forename: Fei
authors.initials: F
authors.lastname: Zhou
authors.forename: Sen
authors.initials: S
authors.lastname: Xin
authors.forename: Hai-Wei
authors.initials: HW
authors.lastname: Liang
authors.forename: Lu-Ting
authors.initials: LT
authors.lastname: Song
authors.forename: Shu-Hong
authors.initials: SH
authors.lastname: Yu
keywords: carbon nanofibers; electrochemistry; lithium-ion battery; molybdenum; nanostructures