Abstract
MoO2 nanocrystals (NCs) on Ni foam were simply synthesized via a facile hydrothermal method and a dip-coating method. It was worth noting that ultrafine interconnected MoO2 nanocrystals (about 10 nm) were uniformly anchored on Ni foam to fabricate a particular three-dimensional architecture, which may provide more active sites and shorter transmission pathways for lithium ions. As binder-free anode, MoO2 NCs on Ni foam deliver a high initial discharge capacity of 990 mAh·g-1 and retain a reversible capacity of 924 mAh· g-1 after 100 cycles at a current density of 0.1 C. More importantly, when the current density returns from 2 C to 0.1 C, the capacity recovers to 910 mAh·g-1 (about 92% of the original high capacity), suggesting excellent cycling stability and rate capability. The particular 3D electrode as binder-free anode makes it a promising anode candidate for high-performance lithium-ion batteries.
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Qi, Y., Zhou, B., Zheng, S. et al. 3D Interconnected MoO2 Nanocrystals on Nickel Foam as Binder-free Anode for Li-ion Batteries. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 33, 1315–1322 (2018). https://doi.org/10.1007/s11595-018-1969-7
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DOI: https://doi.org/10.1007/s11595-018-1969-7