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兰州大学机构库  > 物理科学与技术学院  > 期刊论文
题名: Design and influence of mass ratio on supercapacitive properties of ternary electrode material reduced graphene oxide@MnO2@poly(3,4-ethylenedioxythiophene)-poly(styrene sulfonate)
其他题名: Design and influence of mass ratio on supercapacitive properties of ternary electrode material reduced graphene oxide@MnO2@ poly(3,4-ethylenedioxythiophene)-poly(styrene sulfonate)
作者: Yan, D; Li, YH; Liu, Y; Zhuo, RF; Geng, BS(耿柏松); Wu, ZG; Wang, J; Ren, PY; Yan, PX(闫鹏勋)
收录类别: SCIE ; EI
出版日期: 2015-07-01
刊名: ELECTROCHIMICA ACTA
卷号: 169, 页码:317-325
英文摘要: Design and fabrication of ternary hybrid material is an effective method to promote the performance of supercapacitor electrode materials, because hybrid material does not only benefit from the advantages of each component but also utilizes the synergetic effect between them. Reduced graphene oxide (rGO)@MnO2@PEDOT-PSS (poly(3,4-ethylenedioxythiophene)-poly(styrene sulfonate)) ternary material is designed and fabricated. Electrochemical tests reveal that sample GMP20 (rGO 8 wt%, MnO2 72 wt% and PEDOT-PSS 20 wt%) exhibits the highest high specific capacitance of 217.8 F g(-1), excellent rate capability and the best cycle stability with 93.7% capacitance retention after 1500 cycles at 2 A g(-1). To investigate the synergetic effect, electrochemical impedance spectroscopy (EIS), complex capacitance analysis and complex power analysis are employed. The mass ratio of components has a great influence on supercapacitve performance of the hybrid electrode by affecting the synergetic effect. Results show that GMP20 has well matched relaxation time, smallest impedance modulus and time constant, thus it fully utilizes the synergetic effect and exhibits excellent supercapactive performance. (C) 2015 Elsevier Ltd. All rights reserved.
关键词: ternary hybrid material ; MnO2 ; synergetic effect ; complex capacitance analysis ; complex power analysis
作者部门: [Yan, De ; Li, Yanhong ; Liu, Ying ; Zhuo, Renfu ; Geng, Baisong ; Wu, Zhiguo ; Wang, Jun ; Ren, Pingyuan ; Yan, Pengxun] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China ; [Yan, Pengxun] Chinese Acad Sci, Inst Chem & Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
通讯作者: Yan, D (reprint author), Lanzhou Univ, Sch Phys Sci & Technol, South Tianshui Rd 222, Lanzhou 730000, Peoples R China.
学科分类: Electrochemistry
文章类型: Article
所属项目编号: National Natural Science Foundation of China [11204114, 11004098] ; Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University [LZUMMM2014013]
所属项目名称: 国家自然科学基金项目
项目资助者: NSFC ; LZU
语种: 英语
DOI: 10.1016/j.electacta.2015.04.078
ISSN号: 0013-4686
WOS记录号: WOS:000355007400040
EI记录号: 20151800798550
IR记录号: WOS:000355007400040
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/181261
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Yan, D,Li, YH,Liu, Y,et al. Design and influence of mass ratio on supercapacitive properties of ternary electrode material reduced graphene oxide@MnO2@poly(3,4-ethylenedioxythiophene)-poly(styrene sulfonate)[J]. ELECTROCHIMICA ACTA,2015,169:317-325.
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