Preparation and electrochemical properties of Ag-modified TiO2 nanotube anode material for lithium–ion battery |
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| Institution: | 1. School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, China;2. Institute of Batteries LLC, National Laboratory Astana, Nazarbayev University, 53 Kabanbay Batyr Avenue, Nur-Sultan, 010000, Kazakhstan;1. School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea;2. Department of Applied Chemistry, Kyungpook National University, Daegu, 41566, Republic of Korea;3. CSIR Central Electrochemical Research Institute–Chennai Centre, CSIR–Madras Complex, Taramani, Chennai, 600 113, India;1. College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China;2. School of Chemistry and Environment, Resource environment & Clean energy laboratory, Jiangsu University of Technology, Changzhou 213001, China;1. Institute of Environmental Engineering, National Chiao Tung University, 1001, University Road, Hsinchu, 30010, Taiwan;2. Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, Sec. 2, Kuang Fu Road, Hsinchu, 30013, Taiwan |
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| Abstract: | TiO2 nanotubes prepared by using a hydrothermal process were firstly coated with silver nanoparticles as the anode materials for lithium–ion batteries by the traditional silver mirror reaction. The physical properties of the as-synthesized samples were investigated by X-ray diffraction and transmission electron microscopic. The as-prepared samples were used as negative materials for lithium–ion battery, whose charge–discharge properties, cyclic voltammetry, electrochemical impedance spectroscopy and cycle performance were examined in detail. The results showed that the Ag additive decreased the polarization of anode, and marvelously improved the high-rate discharge capacity and cycling stability of TiO2 nanotubes. |
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