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Hollow MOx-RuO2 (M = Co, Cu, Fe, Ni, CuNi) nanostructures as highly efficient electrodes for supercapacitors
Tan, QQ; Wang, PF; Liu, H; Xu, YX; Chen, YF; Yang, J
MAY
发表期刊SCIENCE CHINA-MATERIALS
ISSN2095-8226
卷号59页码:323
摘要Engineering the internal structure and chemical composition of nanomaterials in a cost-effective way has been challenging, especially for enhancing their performance for a given application. Herein, we report a general strategy to fabricate hollow nanostructures of ruthenium-based binary or ternary oxides via a galvanic replacement process together with a subsequent thermal treatment. In particular, the as-prepared NiO-RuO2 hollow nanostructures loaded on carbon nanotubes (hNiO-RuO2/CNT) with RuO2 mass ratio at 19.6% for a supercapacitor adopting the KOH electrolyte exhibit high specific capacitances of 740 F g(-1) at a constant current density of 1 A g(-1) with good cycle stability. The specific capacitance for hNiO-RuO2/CNT electrodes maintains 638.4 F g(-1) at a current density of 5 A g(-1). This simple approach may shed some light on the way for making a wide range of metal oxides with tunable nanostructures and compositions for a variety of applications.
关键词Electrochemical Capacitors Ruthenium Nanoparticles Oxygen Reduction Rate Performance Facile Synthesis Composite Films Reducing Agent Hydrous Ruo2 Carbon Oleylamine
WOS标题词Materials Science
DOI10.1007/s40843-016-5057-8
WOS记录号WOS:000383104500001
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文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22568
专题研究所(批量导入)
推荐引用方式
GB/T 7714
Tan, QQ,Wang, PF,Liu, H,et al. Hollow MOx-RuO2 (M = Co, Cu, Fe, Ni, CuNi) nanostructures as highly efficient electrodes for supercapacitors[J]. SCIENCE CHINA-MATERIALS
APA Tan, QQ,Wang, PF,Liu, H,Xu, YX,Chen, YF,&Yang, J.
MLA Tan, QQ,et al."Hollow MOx-RuO2 (M = Co, Cu, Fe, Ni, CuNi) nanostructures as highly efficient electrodes for supercapacitors".SCIENCE CHINA-MATERIALS 59
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