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Supported ultrafine ruthenium oxides with specific capacitance up to 1099 F g(-1) for a supercapacitor
Wang, Pengfei1,2; Liu, Hui1,3; Xu, Yuxing1; Chen, Yunfa1; Yang, Jun1; Tan, Qiangqiang1; Yang, J
2016-03-10
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号194期号:MAR页码:211-218
摘要Reducing the particle size is a straightforward way to increase the specific surface area of ruthenium oxide, which usually translates to the high specific capacitance for a supercapacitor. Herein, we report a facile strategy to fabricate ultrafine ruthenium oxides supported on various carbon-based substrates (carbon powders, carbon nanotubes, or reduced graphene oxides) as excellent electrode materials for a supercapacitor. The novelty of this work lies in its synthetic approach, which involves an aqueous synthesis of ruthenium nanoclusters under the control of pH value, and an air oxidation-based conversion process. In particular, owing to their ultrafine particle size, the as-prepared carbon-, carbon nanotube-, or reduced graphene oxide-supported ruthenium oxides exhibit specific capacitance as high as 879.1 F g(-1), 966.8 F g(-1) and 1099.6 F g(-1), respectively, for a supercapacitor at a current density of 0.5 A g(-1). The specific capacitance maintains 98.4% (for carbon supports), 98.0% (for carbon nanotube supports) and 98.4% (for reduced graphene oxide supports) at current density of 1 A g(-1) with good cycling stability. The remarkable simplicity and environmental friendliness of this synthesis may provide a liable quantity production route to produce ruthenium oxides as highly efficient electrode materials for a supercapacitor. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Ruthenium Oxide Supercapacitor Ultrafine Ruthenium Nanoclusters Specific Capacitance
文章类型Article
学科领域Electrochemistry ; Electrochemistry
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.electacta.2016.02.089
URL查看原文
收录类别SCI
语种英语
关键词[WOS]EXCELLENT ELECTRODE MATERIALS ; RUO2 NANOPARTICLES ; REDUCTION METHOD ; FACILE SYNTHESIS ; CARBON ; PERFORMANCE ; COMPOSITES ; GRAPHENE ; PARTICLES ; METAL
WOS研究方向Electrochemistry
WOS类目Electrochemistry
项目资助者National Natural Science Foundation of China(21173226 ; Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences(COM2015A001) ; Knowledge Innovation Program of the Chinese Academy of Sciences(KGCX2-YW-341) ; 21376247 ; 21573240 ; 21506225)
WOS记录号WOS:000372523300024
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20671
专题研究所(批量导入)
通讯作者Yang, J
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Ctr Mesosci, Beijing 100190, Peoples R China
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Wang, Pengfei,Liu, Hui,Xu, Yuxing,et al. Supported ultrafine ruthenium oxides with specific capacitance up to 1099 F g(-1) for a supercapacitor[J]. ELECTROCHIMICA ACTA,2016,194(MAR):211-218.
APA Wang, Pengfei.,Liu, Hui.,Xu, Yuxing.,Chen, Yunfa.,Yang, Jun.,...&Yang, J.(2016).Supported ultrafine ruthenium oxides with specific capacitance up to 1099 F g(-1) for a supercapacitor.ELECTROCHIMICA ACTA,194(MAR),211-218.
MLA Wang, Pengfei,et al."Supported ultrafine ruthenium oxides with specific capacitance up to 1099 F g(-1) for a supercapacitor".ELECTROCHIMICA ACTA 194.MAR(2016):211-218.
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