期刊
ADVANCED ENERGY MATERIALS
卷 9, 期 8, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201803210
关键词
exfoliation; few-atomic layers; nanosheets; sodium ion batteries; TiS2
类别
资金
- National Natural Science Foundation of China [21503193]
- Australian Research Council [LP120200432]
- Commonwealth of Australia through the Automotive Australia 2020 Cooperative Research Centre (Auto CRC)
- Key Research Project in Universities of Henan Province [15A530002]
- Startup Fund for PhDs of Natural Scientific Research of Zhengzhou University of Light Industry [2014BSJJ058]
Sodium ion batteries are now attracting great attention, mainly because of the abundance of sodium resources and their cheap raw materials. 2D materials possess a unique structure for sodium storage. Among them, transition metal chalcogenides exhibit significant potential for rechargeable battery devices due to their tunable composition, remarkable structural stability, fast ion transport, and robust kinetics. Herein, ultrathin TiS2 nanosheets are synthesized by a shear-mixing method and exhibit outstanding cycling performance (386 mAh g(-1) after 200 cycles at 0.2 A g(-1)). To clarify the variations of galvanostatic curves and superior cycling performance, the mechanism and morphology changes are systematically investigated. This facile synthesis method is expected to shed light on the preparation of ultrathin 2D materials, whose unique morphologies could easily enable their application in rechargeable batteries.
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