Nano-Sn embedded in expanded graphite as anode for lithium ion batteries with improved low temperature electrochemical performance
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- 作者：Yong Yan ; Liubin Ben ; Yuanjie Zhan ; Xuejie Huang ; xjhuang@iphy.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Lithium ion batteries ; Tin anode ; Expanded graphite ; Low temperature ; Kinetics
- 刊名：Electrochimica Acta
- 出版年：2016
- 出版时间：1 January 2016
- 年：2016
- 卷：187
- 期：Complete
- 页码：186-192
- 全文大小：3265 K
文摘
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Nano-Sn embedded in interlayers of expanded graphite is fabricated.
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The graphene/nano-Sn/graphene stacked structure promotes cycling stability of Sn.
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The Sn/EG shows improved low temperature electrochemical performance.
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Chemical diffusion coefficients of the Sn/EG are obtained by GITT.
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The Sn/EG exhibits faster Li-ion intercalation kinetics than graphite.