期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 139, 期 6, 页码 2168-2171出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.6b12630
关键词
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资金
- ERC Grant on 2DMATER
- EC under Graphene Flagship [CNECT-ICT-604391]
- Alexander von Humboldt-Foundation
We report the first synthesis of a persulfurated polycyclic aromatic hydrocarbon (PAH) as a next generation sulflower. In this novel PAH, disulfide units establish an all-sulfur periphery around a coronene core. The structure, electronic properties, and redox behavior were investigated by microscopic, spectroscopic and electrochemical methods and supported by density functional theory. The sulfur-rich character of persulfurated coronene renders it a promising cathode material for lithium sulfur batteries, displaying a high capacity of 520 mAh g(-1) after 120 cycles at 0.6 C with a high-capacity retention of 90%.
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