Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/139934
Title: | CoSe2-decorated NbSe2 nanosheets fabricated via cation exchange for Li storage | Authors: | Zhang, Jianli Du, Chengfeng Zhao, Jin Ren, Hao Liang, Qinghua Zheng, Yun Madhavi, Srinivasan Wang, Xin Zhu, Junwu Yan, Qingyu |
Keywords: | Engineering::Materials | Issue Date: | 2018 | Source: | Zhang, J., Du, C., Zhao, J., Ren, H., Liang, Q., Zheng, Y., . . . Yan, Q. (2018). CoSe2-decorated NbSe2 nanosheets fabricated via cation exchange for Li storage. ACS Applied Materials & Interfaces, 10(44), 37773-37778. doi:10.1021/acsami.8b15457 | Journal: | ACS Applied Materials & Interfaces | Abstract: | Though 2D transition metal dichalcogenides have attracted a lot of attention in energy-storage applications, the applications of NbSe2 for Li storage are still limited by the unsatisfactory theoretical capacity and uncontrollable synthetic approaches. Herein, a controllable oil-phase synthetic route for preparation of NbSe2 nanoflowers consisted of nanosheets with a thickness of ∼10 nm is presented. Significantly, a part of NbSe2 can be further replaced by orthorhombic CoSe2 nanoparticles via a post cation exchange process, and the predominantly 2D nanosheet-like morphology can be well-maintained, resulting in the formation of CoSe2-decorated NbSe2 (denoted as CDN) nanosheets. More interestingly, the CDN nanosheets exhibit excellent lithium-ion battery performance. For example, it achieves a highly reversible capacity of 280 mAh g-1 at 10 A g-1 and long cyclic stability with specific capacity of 364.7 mAh g-1 at 5 A g-1 after 1500 cycles, which are significantly higher than those of reported pure NbSe2. | URI: | https://hdl.handle.net/10356/139934 | ISSN: | 1944-8252 | DOI: | 10.1021/acsami.8b15457 | Schools: | School of Materials Science & Engineering | Rights: | This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsami.8b15457 | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | MSE Journal Articles |
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CoSe2-Decorated NbSe2 Nanosheets Fabricated via Cation Exchange for Li Storage.pdf | 1.31 MB | Adobe PDF | ![]() View/Open |
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