MnO2/膨胀石墨纳米材料及其超级电容性能

被引：2

作者：

沈海杰

杜胜

李玉华

肖承义

毛朝辉

杨晶晶

刘恩辉

机构：

[1] 湘潭大学化学学院

来源：

材料导报 | 2011年 / 25卷 / 14期

关键词：

溶胶-凝胶法; MnO2; 膨胀石墨; 纳米材料; 超级电容器;

D O I：

暂无

中图分类号：

TM53 [电容器];

学科分类号：

080801 ;

摘要：

采用溶胶-凝胶法制备了MnO2/膨胀石墨(MnO2/EG)纳米材料,分别利用扫描电镜、X射线衍射测试其表面形貌及结构,使用循环伏安和恒流充放电等表征其电化学性能。结果表明,制备的MnO2/EG纳米材料在6mol/L KOH电解质溶液中的比电容量为492F/g;2000次循环后,比容量仅损失1%,且充放电效率仍高于99%,表现出良好的电化学性能。

引用

页码：78 / 81

页数：4

共 10 条

[1]

Sputtered Al-doped lithium manganese oxide films for the cathode of lithium ion battery: The post-deposition annealing temperature effect[J] . Y. Zhang,L.Z. Ouyang,C.Y. Chung,M. Zhu.Journal of Alloys and Compounds . 2009 (2)

[2]

Construction of composite electrodes comprising manganese dioxide nanoparticles distributed in polyaniline–poly(4-styrene sulfonic acid-co-maleic acid) for electrochemical supercapacitor[J] . Feng-Jiin Liu,Tsui-Fen Hsu,Chien-Hsin Yang.Journal of Power Sources . 2009 (2)

[3] Manganese films electrodeposited at different potentials and temperatures in ionic liquid and their application as electrode materials for supercapacitors [J].

Chang, Jeng-Kuei ;

Huang, Chiung-Hui ;

Tsai, Wen-Ta ;

Deng, Ming-Jay ;

Sun, I-Wen ;

Chen, Po-Yu .

ELECTROCHIMICA ACTA, 2008, 53 (13) :4447-4453

[4]

Electrodeposition of manganese dioxide in three-dimensional poly(3,4-ethylenedioxythiophene)–poly(styrene sulfonic acid)–polyaniline for supercapacitor[J] . Feng-Jiin Liu.Journal of Power Sources . 2008 (1)

[5] Electrochemical properties of manganese oxide coated onto carbon nanotubes for energy-storage applications [J].

Ma, Sang-Bok ;

Nam, Kyung-Wan ;

Yoon, Won-Sub ;

Yang, Xiao-Qing ;

Ahn, Kyun-Young ;

Oh, Ki-Hwan ;

Kim, Kwang-Bum .

JOURNAL OF POWER SOURCES, 2008, 178 (01) :483-489

[6] Synthesis of a novel polyaniline-intercalated layered manganese oxide nanocomposite as electrode material for electrochemical capacitor [J].

Zhang, Xiong ;

Ji, Liyan ;

Zhang, Shichao ;

Yang, Wensheng .

JOURNAL OF POWER SOURCES, 2007, 173 (02) :1017-1023

[7]

Manganese oxide films prepared by sol–gel process for supercapacitor application[J] . Chung-Kwei Lin,Kai-Han Chuang,Chia-Yen Lin,Chien-Yie Tsay,Chin-Yi Chen.Surface & Coatings Technology . 2007 (4)

[8]

A new type of MnO 2 · x H 2 O/CRF composite electrode for supercapacitors[J] . Jun Li,Xianyou Wang,Qinghua Huang,Sergio Gamboa,P.J. Sebastian.Journal of Power Sources . 2006 (2)

[9] Carbon properties and their role in supercapacitors [J].

Pandolfo, A. G. ;

Hollenkamp, A. F. .

JOURNAL OF POWER SOURCES, 2006, 157 (01) :11-27

[10]

Manganese oxide/MWNTs composite electrodes for supercapacitors[J] . Gui-Xin Wang,Bo-Lan Zhang,Zuo-Long Yu,Mei-Zhen Qu.Solid State Ionics . 2005 (11)

← 1 →