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Abstract:
Metal 1T phase molybdenum disulfide (1T-MoS2) is being actively considered as a promising anode due to its high conductivity, which can improve electron transfer. Herein, we elaborately designed stable Sb-doped metallic 1T phase molybdenum sulfide (1T-MoS2-Sb) with a few-layered nanosheet structure via a simple calcination technique. The N-doping of the carbon and Sb-doping induce the formation of T-phase MoS2, which not only effectively enhances the entire stability of the structure, but also improves its cycling performance and stability. When employed as an anode of sodium-ion batteries (SIBs), 1T-MoS2-Sb exhibits a reversible capacity of 493 mA h g(-1) at 0.1 A g(-1) after 100 cycles and delivers prominent long-term performance (253 mA h g(-1) at 1 A g(-1) after 2200 cycles) along with decent rate capability. Paired with a Na3V2(PO4)(3) cathode, it displays a superior capacity of 242 mA h g(-1) at 0.5 A g(-1) over 100 cycles, which is one of the best performances of a MoS2-based full cell for SIBs. Employed as the anode for potassium-ion batteries (PIBs), it exhibits a satisfactory specific capacity of 343 mA h g(-1) at 0.1 A g(-1) after 100 cycles. This facile strategy will provide new insights for designing T-phase advanced anode materials for SIBs/PIBs.
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DALTON TRANSACTIONS
ISSN: 1477-9226
Year: 2022
Issue: 31
Volume: 51
Page: 11685-11692
4 . 0
JCR@2022
3 . 5 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
ESI HC Threshold:74
JCR Journal Grade:1
CAS Journal Grade:1
Cited Count:
SCOPUS Cited Count: 16
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1