Synthesis of carbon nanotube/mesoporous TiO2 coaxial nanocables with enhanced lithium ion battery performance |
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| Affiliation: | 1. Department of Applied Chemistry, Anhui Agricultural University, Hefei 230036, China;2. Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China;3. Center of Super-Diamond Advanced Films (COSDAF), City University of Hong Kong, Hong Kong, China;1. Laboratoire de Magnétisme et Physique des Hautes Énergies (LMPHE-URAC 12), Faculté des Sciences, Université Mohammed V-Agdal, Rabat, Morocco;2. Department of Physics, Faculty of Science, Ibb University, Ibb, Yemen;3. Département de Physique, Faculté Polydisciplinaire, Université Sultan Moulay Slimane, Béni Mella, Morocco;4. Centre National de l’Energie, des Sciences et des Techniques Nucléaires, Rabat, Morocco;5. Institute of Nanomaterials and Nanotechnology, MAScIR, Rabat, Morocco;6. Hassan II Academy of Science and Technology, Rabat, Morocco;1. School of Electronic Engineering, Dongguan University of Technology, Dongguan 523808, Guangdong, China;2. School of Electronic and Information Engineering, Tianjin University, Tianjin 300072, China;1. Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing 100081, China;1. Decontamination and Decommissioning Research Division, Korea Atomic Energy Research Institute, Daejeon 305-353, Korea;2. Battery Research Center, Korea Electrotechnology Research Institute, Changwon 642-120, Korea;3. Department of Energy Engineering, Hanyang University, Seoul 133-791, Korea |
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| Abstract: | Well-organized hybrid nanocables consisting of carbon nanotube (CNT) core and mesoporous TiO2 sheath has been synthesized through a combined sol–gel and hydrothermal process. By using hexadecylamine as a structure directing agent, mesoporous TiO2 with thickness ranging from 40 to 70 nm was uniformly deposited on multi-walled CNTs. The resultant one dimensional CNT core/mesoporous TiO2 sheath (CNT@mesoporous TiO2) hybrid nanocables shows well-crystallized quality, porous feature and large surface area, favoring its electrochemical performance. Compared with reference TiO2 without CNTs, the CNT@mesoporous TiO2 hybrid nanocables shows largely enhanced rate performance, which could be attributed to its unique structure as well as the improvement of electronic conductivity by adding conductive CNTs. |
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