Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 8, Issue 28, Pages 13946-13954Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ta01786h
Keywords
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Funding
- National Natural Science Foundation of China [51772284]
- Recruitment Program of Global Experts
- Fundamental Research Funds for the Central Universities [WK2060190081]
- Natural Science Foundation of Shandong Province [ZR2016BQ41]
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Ternary MoS2-xSex/carbon hybrid nanotubes (denoted as MoS2-xSex/C-HNTs) with a unique disordered layer structure and expanded interplanar spacing were synthesized through a facile two-step method involving oxidative polymerization coating and subsequent thermal annealing treatment using an Sb(2)S(3)nanowire template, and they delivered excellent K(+)storage performance. The higher diffusion coefficient, excellent structural robustness and disordered layer structure could be the possible reasons for the enhanced performance with a high capacity of 237.0 mA h g(-1)after 300 cycles at 0.5 A g(-1), which is supported byex situXRD, Raman spectroscopy and GITT measurements. Importantly, the prominent performance of a potassium-ion hybrid capacitor (KIHC) based on the MoS2/3Se4/3/C-HNT anode and a commercial activated carbon (AC) cathode demonstrates its great potential for future practical applications.
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