纳米棒
介孔材料
材料科学
退火(玻璃)
微球
阴极
乙二醇
锂(药物)
化学工程
离子
纳米技术
复合材料
化学
有机化学
催化作用
物理化学
内分泌学
工程类
医学
作者
Yue Qi,Hao Jiang,Yanjie Hu,Guiqi Jia,Chunzhong Li
摘要
Mesoporous single-crystalline V2O5 nanorods assembled into novel hollow microspheres have been synthesized as cathode materials for lithium-ion batteries by a simple solvothermal treatment of NH4VO3 and ethylene glycol with subsequent annealing in air at 400 °C, which delivered a very high reversible capacity of 145.8 mA h g(-1) at 2.5-4.0 V (vs. theoretical value: 147 mA h g(-1)) with much improved capacity retention and long cycle life at various rates.
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