Enhanced electrochemical performance of vanadium dioxide (B) nanoflowers with graphene nanoribbons support

被引：10
作者：
Fan, Zihan [1 ]
Jia, Lina [1 ]
Lin, Cunli [1 ]
Huang, Xiangyue [1 ]
Hu, Xiaolin [1 ]
Zhuang, Naifeng [1 ]
Chen, Jianzhong [1 ]
机构：
[1] Fuzhou Univ, Coll Chem, Fuzhou 350116, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 16期
基金：
中国国家自然科学基金;
关键词：
LITHIUM-ION BATTERIES; NANOSTRUCTURES HYDROTHERMAL SYNTHESIS; CATHODE MATERIAL; HIGH-CAPACITY; OXIDE; VO2(B); ELECTRODES; COMPOSITE; GROWTH; LI;
D O I：
10.1039/c5ra20018k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Specific VO2 (B) nanoflowers and their composite hybridized with graphene nanoribbons (GNRs) are prepared using a moderate H2C2O4 reductant to reduce V2O5 with the molar ratio of H2C2O4 : V2O5 as 3 : 1. The discharge specific capacities and the cycling stabilities of the VO2 (B) cathode material for lithium-ion batteries can be improved by graphenes support. In particular, GNRs support can improve the dispersibility and the electrical conductivity of the VO2 (B) nanoflowers. Thus, VO2 (B)/GNRs (32.2 wt%) composite exhibits excellent electrochemical performance with the high specific capacity of 471.5 mA h g(-1) and the preferable cycling stability.
引用
收藏
页码：13297 / 13302
页数：6
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