SnO2 nanoparticles encapsulated by curved graphite layers as anode materials for Li-ion batteries with high performances
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- 作者：Yuping Suna ; sunyuping_1227@sina.com" class="auth_mail" title="E-mail the corresponding author ; Chengyun Zhaob ; Mengyao Shenb ; Zhengwu Panb ; Xianguo Liub
- 关键词：SnO2 ; Defective curved graphite layer ; Nanocapsules ; Anode ; Lithium ion battery
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：25 October 2016
- 年：2016
- 卷：683
- 期：Complete
- 页码：191-197
- 全文大小：1258 K
文摘
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SnO2 nanoparticles are encapsulated by defective curved graphite layers.
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SnO2 nanocapsules can promote the electron transfer and Li+ diffusion.
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SnO2 nanocapsules can relieve the volume change during the charge/discharge cycles.
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SnO2 nanocapsules exhibit the capacity of 1253 mAh g−1 after 500 cycles at 0.5 A g−1.
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SnO2 nanocapsules show the high rate performance of 590.4 mAh g−1 at 20 A g−1.