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A facile and effective method to fabricate highly pseudocapacitive electrodes of Fe-Ti-O@C has been proposed here. In this strategy, FeOOH crystals were firstly grown uniformly on the surface of Ti-based MOF (MIL-125) tablet substrates through a solution immersion method, and then converted to uniform carbon supported Fe-Ti-O composites by calcination under argon. The obtained Fe-Ti-O@C composites were first utilized as an efficient anode for lithium ion batteries with a high reversible capacity of 988 mA h g(-1) after 160 cycles at 200 mA g(-1). Such a superior lithium storage performance may be due to the synergistic effect of the Fe3O4 nanoparticles with a high capacity, FeTiO3 nanocomposites with a nearly stable structure during the Li+ insertion/removal process, and the conductive carbon skeleton with a large surface area and porous structure. This work represents an important step forward in the fabrication of MOF-derived hybrids and enables transition metal oxides (TMOs) to have potential applications in energy storage systems.
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NANOSCALE
ISSN: 2040-3364
Year: 2020
Issue: 14
Volume: 12
Page: 7849-7856
6 . 7 0 0
JCR@2022
ESI Discipline: PHYSICS;
ESI HC Threshold:100
Cited Count:
WoS CC Cited Count: 16
SCOPUS Cited Count: 17
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1