期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 20, 期 35, 页码 22563-22568出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cp04772c
关键词
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资金
- National Key Research and Development Program of China [2016YFA0202603]
- National Natural Science Fund for Distinguished Young Scholars [51425204]
- National Natural Science Foundation of China [51521001]
- Programme of Introducing Talents of Discipline to Universities [B17034]
- Yellow Crane Talent (Science & Technology) Program of Wuhan City
- International Science & Technology Cooperation Program of China [2013DFA50840]
As a typical member of transition-metal dichalcogenides (TMDs), VS2 has been evaluated as the aluminum-ion battery cathode for the first time. To further improve their stability and conductivity, the as-prepared VS2 nanosheets are modified with graphene (denoted as G-VS2). And the G-VS2 electrode delivers a high initial discharge capacity of 186 mA h g(-1) at 100 mA g(-1) with almost 100% coulombic efficiency after 50 cycles. Furthermore, an explicit intercalation mechanism of Al into G-VS2 has been investigated by in/ex situ XRD, ex situ Raman and TEM spectroscopy. And the G-VS2 composite proves to be an impressive cathode material for aluminum-ion batteries (AIBs). This work might put forward the application of TMDs in AIBs.
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