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ICCAS OpenIR  > 分子纳米结构与纳米技术实验室  > 期刊论文
题名: Sulfur Confined in Sub-Nanometer-Sized 2D Graphene Interlayers and Its Electrochemical Behavior in Lithium-Sulfur Batteries
作者: Du, Wen-Cheng1, 2, 3; Zhang, Juan1, 2, 3; Yin, Ya-Xia1, 2; Guo, Yu-Guo1, 2, 3; Wan, Li-Jun1, 2
关键词: batteries ; graphene ; lithium ; nanocomposite ; sulfur
刊名: CHEMISTRY-AN ASIAN JOURNAL
发表日期: 2016-10-01
卷: 11, 期:19, 页:2690-2694
收录类别: SCI
英文摘要: Microspace-confined sulfur molecules as cathodes for lithium-sulfur (Li-S) batteries have shown great significance in both scientific and technical aspects. A study of different microspace-confined sulfur will not only promote the advancement of Li-S batteries but also arouse a wide interest in sulfur chemistry and related applications. Herein, we choose two-dimensional (2D) graphene interlayer as host and construct 2D space-confined sulfur model systems by simple intercalation chemistry of graphite oxide. Two routes, including solvothermal method and interlamellar reaction approach, are developed, and sulfur can be easily intercalated into sub-nanometer-sized graphene interlayers, forming a graphene confined sulfur structure. The 2D space-confined sulfur can work well in a carbonate-based electrolyte and show similar electrochemical behaviors of small sulfur molecules, indicating the special molecular form of sulfur in graphene layers. The 2D space-confined sulfur concept will be helpful for further understanding the electrochemical character of confined sulfur molecules and designing a high-performance sulfur cathode.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35124
Appears in Collections:分子纳米结构与纳米技术实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, CAS Key Lab Mol Nanostruct & Nanotechnol, Inst Chem, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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