Carbon-coated SiO/ZrO2 composites as anode materials for lithium-ion batteries |
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| Affiliation: | 1. College of Chemistry and Materials Science, Hubei Engineering University, Xiaogan 432000, China;2. Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo 315201, China;3. Research & Advanced Technology Department, SAIC Motor, Shanghai 201804, China;4. Sericultural & Agri-Food Research Institute Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture/Guangdong Key Laboratory of Agricultural, Products Processing, Guangzhou 510610, China;5. School of Materials Science and Engineering, Hubei University, Wuhan 430062, China;1. College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637009, PR China;2. Library, China West Normal University, Nanchong 637009, PR China;3. School of Materials Science and Engineering, Changzhou University, Changzhou 213164, PR China;1. Department of Materials Science and Engineering, Seoul National University, Seoul, 151-744, Korea;2. School of Advanced Materials Engineering, Kookmin University, Seoul, 136-702, Korea;1. Shanghai Institute of Microsystem and Information Technology, Shanghai, 201800, China;2. University of Chinese Academy of Sciences, Beijing, 100049, China;3. Pylon Technologies Co., Ltd., Yizheng, 211400, China;1. College of Materials and Chemical Engineering, Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, China Three Gorges University, 8?Da xue Road, Yichang 443002, PR China;2. Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Ding xi Road, Shanghai 200050, PR China;1. State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;2. State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;3. School of Advanced Manufacturing Engineering, Hefei University, Hefei 230601, China |
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| Abstract: | A combination of high-energy ball milling and constant pressure chemical vapor deposition was used to prepare carbon-coated SiO/ZrO2 composites. It was found that the as-prepared composites were composed of amorphous carbon, amorphous SiO, and paracryslalline ZrO2. The electrochemical analysis results revealed excellent electrochemical performances for the composites, including a high initial discharge capacity (1737 mA h g?1), a remarkable cyclic stability (reversible capacity of 721 mA h g?1 at 800 mA g?1, after 100 cycles), and a good rate capability (870 mA h g?1 at 800 mA g?1). These features demonstrate that these composites are promising alternative candidates for high-efficiency electrode materials of Li-ion batteries. |
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| Keywords: | Carbon coating Silicon monoxide Zironica Anode materials |
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