Synthesis of MnO2/graphene/carbon nanotube nanostructured ternary composite for supercapacitor electrodes with high rate capability

Liu Yongchuan; He Dawei; Duan JiahuaWang YongshengLi Shulei

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Synthesis of MnO2/graphene/carbon nanotube nanostructured ternary composite for supercapacitor electrodes with high rate capability

机译：Synthesis of MnO2/graphene/carbon nanotube nanostructured ternary composite for supercapacitor electrodes with high rate capability

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A composite of graphene nanosheets (GNS) decorated with manganese dioxide (MnO2) nanoparticles and interconnected by carbon nanotubes (CNTs) has been synthesized through a facile chemical method. SEM results suggest a homogeneous distribution of MnO2 nanoparticles (50-80 nm in size) on graphene nanosheets and excellent interconnectivity by CNTs. The MnO2/GNS/CNTs electrode exhibits excellent rate capability and significantly improved cycling stability (95 capability retained after 1000 cycles), and a high capacitance of 240 F g(-1) is obtained for nanoscale MnO2. In addition, the method for the synthesis of MnO2/GNS/CNTs composites is simple and can be easily scaled up to real industrial manufacturing. (C) 2014 Elsevier B.V. All rights reserved.

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来源
《Materials Chemistry and Physics》 |2014年第2期|141-146|共6页
作者
Liu Yongchuan; He Dawei; Duan JiahuaWang YongshengLi Shulei;
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作者单位

Beijing Jiaotong Univ, Inst Optoelect Technol, Minist Educ, Key Lab Luminescence & Opt Informat, Beijing 100044, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程基础科学;工程材料学;
关键词
Nanostructures; Oxides; Chemical synthesis; Electrochemical properties; HIGH-PERFORMANCE; MANGANESE OXIDE; ELECTROCHEMICAL-DEPOSITION; CARBON NANOTUBES; GRAPHENE SHEETS; HYBRID;

Synthesis of MnO2/graphene/carbon nanotube nanostructured ternary composite for supercapacitor electrodes with high rate capability

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