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Abstract:
A general and simple strategy is realized for the first time for the preparation of metal sulfide (MxSy) nanoparticles immobilized into N/S co-doped carbon (NSC) through a one-step pyrolysis method. The organic ligand 1,5-naphthalenedisulfonic acid in the metal–organic framework (MOF) precursor is used as a sulfur source, and metal ions are sulfurized in situ to form MxSy nanoparticles, resulting in the formation of MxSy/NSC (M=Fe, Co, Cu, Ni, Mn, Zn) composites. Benefiting from the MxSy nanoparticles and conductive carbon, a synergistic effect of the composite is achieved. For instance, the composite of Fe7S8/NSC as an anode displays excellent long-term cycling stability in lithium/sodium ion batteries. At 5 A g−1, large capacities of 645 mA h g−1 and 426.6 mA h g−1 can be retained after 1500 cycles for the lithium-ion battery and after 1000 cycles for the sodium-ion battery, respectively. © 2020 Wiley-VCH GmbH
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Source :
Chemistry - A European Journal
ISSN: 0947-6539
Year: 2021
Issue: 6
Volume: 27
Page: 2104-2111
5 . 0 2
JCR@2021
3 . 9 0 0
JCR@2023
ESI HC Threshold:117
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 24
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 4
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