Cu3V2O8 hollow spheres in photocatalysis and primary lithium batteries |
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| Institution: | 1. College of Chemical Engineering, Shijiazhuang University, No. 6 Changjiang Road, Shijiazhuang 050035, PR China;2. College of Chemical Engineering, Hebei United University, No. 46 Xinhua Road, Tangshan 063009, PR China;1. Chemical Engineering and Technology Institute, North University of China, Taiyuan 030051, PR China;2. Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan, PR China;1. State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, PR China;2. School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, PR China;1. College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China;2. Laboratory of Quality & Safety Risk Assessment for Agro-products (YangLing), Ministry of Agriculture, Yangling, Shaanxi 712100, PR China;3. National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling, Shaanxi 712100, PR China;1. Department of Chemical and Environmental Engineering, Faculty of Engineering, The University of Nottingham Malaysia Campus, Jalan Broga, 43500, Semenyih, Selangor, Malaysia;2. Center of Nanotechnology and Advanced Materials, Faculty of Engineering, University of Nottingham Malaysia Campus, Jalan Broga, 43500, Semenyih, Selangor, Malaysia;3. Low Dimensional Materials Research Center, Department of Physics, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia |
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| Abstract: | In this paper, Cu3V2O8 hollow spheres have been successfully synthesized via a liquid precipitation method with colloidal carbon spheres as template followed by a subsequent heat treatment process. On the basis of XRD analysis, SEM observation, and TG-DSC analysis of the precursor and products, the formation mechanism of Cu3V2O8 hollow spheres was proposed. UV–vis diffuse reflectance spectra showed that the Cu3V2O8 hollow spheres exhibit strong absorption in a wide wavelength range from UV to visible light. The photocatalytic activity experiment indicated that the as-prepared Cu3V2O8 hollow spheres exhibited good photocatalytic activity in degradation of methyl orange (MO) under 150-W xenon arc lamp light irradiation. Furthermore, electrochemical measurements showed that the Cu3V2O8 hollow spheres exhibited high discharge capacity and excellent high-rate capability, indicating potential cathode candidates for primary lithium batteries used in long-term implantable cardiac defibrillators (ICDs). |
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| Keywords: | Hollow spheres Photocatalytic activity Lithium batteries |
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