期刊
IONICS
卷 26, 期 10, 页码 4869-4875出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11581-020-03633-2
关键词
Molybdenum carbide; Hydrogel; MoC; C composite; Anode; Lithium-ion batteries
资金
- National Science Foundation of China [51472034, 21701115]
- Science and Technology Capability Innovation Project [Q20181318]
A MoC/C composite material was conveniently synthesized via self-polymerization and pyrolysis. MoC nanoparticles are evenly distributed upon the carbon matrix and feature a cross-linked structure that can efficiently restrain the aggregation of MoC nanoparticles and relieve the volume alteration during the charging/discharging process. Moreover, the carbon material highly improved conductivity and reduced charge transfer resistance of the MoC/C-based electrode; this ensured its long-term stability with superior reversible capacity. At a current density of 1 A g(-1), the MoC/C electrode delivered a reversible specific capacity of 550 mAh g(-1)even after 500 cycles, demonstrating excellent electrochemical performance. This MoC-based electrode with an ultralong life cycle could be utilized as an anode material for next-generation lithium-ion batteries.
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