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Effect of Loading Content of Silver on Lithium Storage for TiO2 Net-Work Flexible Film Electrode
Author NameAffiliationE-mail
ZHANG Ying-Jie Engineering Laboratory of Advanced Battery and Materials of Yunnan Province, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China  
LIU Jia-Ming Engineering Laboratory of Advanced Battery and Materials of Yunnan Province, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China  
ZHAO Jin-Bao State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China  
HUANG Ling State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China  
LI Xue Engineering Laboratory of Advanced Battery and Materials of Yunnan Province, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China 4386160734@qq.com 
Abstract: A series of silver-modified TiO2 flexible film electrodes with hierarchical 3D nano-network structure are facilely synthesized using hydrothermal method followed via the traditional silver mirror reaction. Successful deposition of Ag nanoparticles on to the TiO2 nanowires surface is confirmed by inductively coupled plasma (ICP) technique, X-ray diffraction (XRD), scanning electron microscope (SEM) with energy-dispersive X-ray analysis (EDX) and transmission electron microscopy (TEM). The electrochemical properties of the Ag@TiO2 nanowires were researched in this work. Our results show that the Ag@TiO2 nanowires with 4.0%(w/w) silver exhibits a better rate performance and more excellent reversibility than pristine one. At different current densities of 50, 100, 200, 400, 800 and 1 200 mA·g-1, the discharge capacities of the Ag@TiO2 electrodes are 261.4, 253.7, 239.5, 216.5, 193.1 and 185.1 mAh·g-1, respectively. After 80 cycles at 200 mA·g-1, its discharge capacity retention is 99.8% indicating Ag@TiO2 electrodes are potentially useful for LIBs.
Keywords: lithium ion battery  flexible film electrodes  Ti-based materials  silver mirror reaction
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ZHANG Ying-Jie,LIU Jia-Ming,ZHAO Jin-Bao,HUANG Ling,LI Xue.Effect of Loading Content of Silver on Lithium Storage for TiO2 Net-Work Flexible Film Electrode[J].Chinese Journal of Inorganic Chemistry,2017,33(5):809-816.
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Chinese Journal of Inorganic Chemistry