Carbon Nanofibers Decorated with Molybdenum Disulfide Nanosheets: Synergistic Lithium Storage and Enhanced Electrochemical Performance†
Fei Zhou
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/
These authors contributed equally to this work.
Search for more papers by this authorDr. Sen Xin
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/
Anhui Key Laboratory of Controllable Chemical Reaction and Material Chemical Engineering, School of Chemical Engineering, Hefei University of Technology, Hefei, Anhui 230009 (P. R. China)
These authors contributed equally to this work.
Search for more papers by this authorDr. Hai-Wei Liang
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/
Search for more papers by this authorLu-Ting Song
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/
Search for more papers by this authorCorresponding Author
Prof. Dr. Shu-Hong Yu
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/
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/Search for more papers by this authorFei Zhou
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/
These authors contributed equally to this work.
Search for more papers by this authorDr. Sen Xin
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/
Anhui Key Laboratory of Controllable Chemical Reaction and Material Chemical Engineering, School of Chemical Engineering, Hefei University of Technology, Hefei, Anhui 230009 (P. R. China)
These authors contributed equally to this work.
Search for more papers by this authorDr. Hai-Wei Liang
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/
Search for more papers by this authorLu-Ting Song
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/
Search for more papers by this authorCorresponding Author
Prof. Dr. Shu-Hong Yu
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/
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/Search for more papers by this authorThis work is supported by the National Basic Research Program of China (2010CB934700, 2013CB933900, 2014CB931800), the National Natural Science Foundation of China (21431006, 91022032, 91227103), the Chinese Academy of Sciences (KJZD-EW-M01-1), and the China Postdoctoral Science Foundation (2012M510160).
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.
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