Template-Free Synthesis of Sb(2)S(3) Hollow Microspheres as Anode Materials for Lithium-Ion and Sodium-Ion Batteries.
Template-Free Synthesis of Sb(2)S(3) Hollow Microspheres as Anode Materials for Lithium-Ion and Sodium-Ion Batteries.
复制标题
无模板合成Sb2S3空心微球作为锂离子和钠离子电池负极材料
DOI:
10.1007/s40820-017-0165-1
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发表时间:
2018
影响因子:
26.6
通讯作者:
Wang X
中科院分区:
文献类型:
--
作者:
Xie J;Liu L;Xia J;Zhang Y;Li M;Ouyang Y;Nie S;Wang X
Hierarchical Sb2S3hollow microspheres assembled by nanowires have been successfully synthesized by a simple and practical hydrothermal reaction. The possible formation process of this architecture was investigated by X-ray diffraction, focused-ion beam-scanning electron microscopy dual-beam system, and transmission electron microscopy. When used as the anode material for lithium-ion batteries, Sb2S3hollow microspheres manifest excellent rate property and enhanced lithium-storage capability and can deliver a discharge capacity of 674 mAh g-1at a current density of 200 mA g-1after 50 cycles. Even at a high current density of 5000 mA g-1, a discharge capacity of 541 mAh g-1is achieved. Sb2S3hollow microspheres also display a prominent sodium-storage capacity and maintain a reversible discharge capacity of 384 mAh g-1at a current density of 200 mA g-1after 50 cycles. The remarkable lithium/sodium-storage property may be attributed to the synergetic effect of its nanometer size and three-dimensional hierarchical architecture, and the outstanding stability property is attributed to the sufficient interior void space, which can buffer the volume expansion.
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影响因子:
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