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Nb2O5 microstructures: a high-performance anode for lithium ion batteries

机译:Nb2O5微结构:锂离子电池的高性能阳极

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摘要

We report the synthesis of three-dimensional (3D) urchin-like Nb2O5 microstructures by a facile hydrothermal approach with subsequent annealing treatment. As anode materials for lithium-ion batteries, the 3D urchin-like Nb2O5 microstructures exhibit superior electrochemical performance with excellent rate capability as well as long-term cycling stability. The electrode delivers high capacity of 131 mA h g(-1) after 1000 cycles at a high current density of 1 A g(-1). The excellent electrochemical performance suggests the 3D urchin-like Nb2O5 microstructures may be a promising anode candidate for high-power lithium ion batteries.
机译:我们报告了一个方便的水热方法与后续的退火处理三维(3D)顽童状Nb2O5微观结构的合成。作为锂离子电池的负极材料,类似3D urchin的Nb2O5微观结构具有优异的电化学性能,极佳的倍率性能以及长期循环稳定性。在1000次循环后,该电极在1 A g(-1)的高电流密度下可提供131 mA h g(-1)的高容量。出色的电化学性能表明3D urchin状Nb2O5微观结构可能是大功率锂离子电池的有希望的阳极候选材料。

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