Electrochemical capacitance characterization of NiO with ordered mesoporous structure synthesized by template SBA-15

被引：275

作者：

Wang, YG ^{[1
]}

Xia, YY ^{[1
]}

机构：

[1] Fudan Univ, Dept Chem, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2006年 / 51卷 / 16期

关键词：

supercapacitor; NiO; mesoporous structure;

D O I：

10.1016/j.electacta.2005.09.013

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In this paper, NiO with ordered mesoporous structure was synthesized by replicating template SBA-15 and its electrochemical capacitance characterization was for the first time studied in 2M KOH electrolyte solution. Electrochemical tests results indicated the ordered mesoporous structure can greatly increase the utilization of NiO, which is attribute to a large effective surface area due to the mesoporous structure. The capacitance of NiO with order mesoporous structure was about 120 F/g, about four times larger than that of NiO prepared by direct calcining Ni(NO3).6H(2)O at 550 degrees C. On the other hand, the mesoporous NiO showed a good rate capability, which is due to that the ordered mesopores did not limit the ion motion within the pores. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：3223 / 3227

页数：5

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