Disodium citrate-assisted hydrothermal synthesis of V2O5 nanowires for high performance supercapacitors

被引：17

作者：

Pan, Shanshan ^{[1
]}

Chen, Ling ^{[1
]}

Li, Yahao ^{[1
]}

Han, Shuolin ^{[1
]}

Wang, Lin ^{[1
]}

Shao, Guangjie ^{[1
,2
]}

机构：

[1] Yanshan Univ, Coll Environm & Chem Engn, Hebei Key Lab Appl Chem, Qinhuangdao 066004, Peoples R China

[2] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China

来源：

RSC ADVANCES | 2018年 / 8卷 / 06期

基金：

中国国家自然科学基金;

关键词：

POROUS CARBON; MICROSPHERES; ELECTRODE;

D O I：

10.1039/c7ra12607g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Orthorhombic vanadium pentoxide (V2O5) nanowires with uniform morphology were successfully fabricated via a facile hydrothermal process. The effect of disodium citrate dosage on the crystallinity, morphology and electrochemical properties of the products was analyzed. Experimental results indicate that orthorhombic V2O5 nanowires with high crystallinity and diameter of about 20 nm can be obtained at 180 degrees C for 24 h when the dosage of disodium citrate is 0.236 g. Furthermore, the prepared V2O5 nanowires demonstrate a high specific capacitance of 528.2 F g(-1) at 0.5 A g(-1) and capacitance retention of 85% after 1000 galvanostatic charge/discharge cycles at 1 A g(-1) when used as supercapacitors electrode in 0.5 M K2SO4.

引用

页码：3213 / 3217

页数：5

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