Carbon-coated SiO/ZrO₂ composites as anode materials for lithium-ion batteries

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• 作者：Fan Cheng^a ; ^e ; Guangjin Wang^a ; ^{wgj501@163.com} ; Zixu Sun^b ; ^{sunzixu@nimte.ac.cn} ; Yi Yu^c ; Fei Huang^d ; Chunli Gong^a ; Hai Liu^a ; Genwen Zheng^a ; Caiqin Qin^a ; Sheng Wen^a ; ^{shengwen1978@gmail.com}
• 关键词：Carbon coating ; Silicon monoxide ; Zironica ; Anode materials
• 刊名：Ceramics International
• 出版年：2017
• 出版时间：1 April 2017
• 年：2017
• 卷：43
• 期：5
• 页码：4309-4313
• 全文大小：689 K
• 卷排序：43

文摘

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.