Hollow sulfur@graphene oxide core-shell composite for high-performance Li-S batteries
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- 作者：Jiawei Zhang ; Ning Yang ; Xiaogang Yang ; Shengji Li ; Juming Yao ; Yurong Cai ; caiyr@zstu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Core&ndash ; shell structure ; Graphene oxide ; Sulfur loading ; High-performance ; Lithium-sulfur batteries
- 刊名：Journal of Alloys and Compounds
- 出版年：2015
- 出版时间：25 November 2015
- 年：2015
- 卷：650
- 期：Complete
- 页码：604-609
- 全文大小：1988 K
文摘
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Graphene oxide coated sulfur hollow spheres is synthesized via a two-step solution method.
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The hollow S@GO composite possesses a higher sulfur loading of 92 wt%.
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GO shell of the composite can confine dissolution and diffusion of polysulfides.
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The hollow structure promises a slight volume expansion during the charge cycling.