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    National Tsing Hua University Institutional Repository > 工學院  > 材料科學工程學系 > 期刊論文 >  Arrayed CNx NT–RuO2 nanocomposites directly grown on Ti-buffered Si substrate for supercapacitor applications

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/62277

    Title: Arrayed CNx NT–RuO2 nanocomposites directly grown on Ti-buffered Si substrate for supercapacitor applications
    Authors: W. C. Fang;O. Chyan;C. L. Sun;C. T. Wu;C. P. Chen;K. H. Chen;L. C. Chen;J. H. Huang
    教師: 黃金花
    Date: 2007
    Publisher: Elsevier
    Relation: Electrochemistry Communications,Volume 9,Issue 2,February 2007,Pages 239-244
    Keywords: Supercapacitors
    Direct growth
    Well-aligned carbon nanotubes
    Abstract: Significant enhancement in supercapacitor performance has been achieved via a new RuO2 nanocomposite materials prepared by direct ruthenium sputtering on arrayed multi-walled carbon nanotubes supported by Ti-buffered Si wafer. XPS, HRTEM and SAED analyses reveal that as-prepared nanoparticles have a crystalline Ru metal core with RuO2 oxide coating. The nanocomposites convert to RuO2–CNx NTs with subsequent electrochemical cycling. At present, well-dispersed and strongly adhered RuO2 NPs have been densely populated on CNx NTs to obtain the overall specific capacitance (1380 F/g-RuO2), charging–discharging rate (up to 600 mV/s) and operation stability (5000 cycles). Thus, RuO2–CNx NTs nanocomposites would make a promising candidate for use in next-generation high efficiency miniaturized supercapacitors directly fabricated on Si substrate.
    URI: http://www.elsevier.com/wps/find/homepage.cws_home
    Appears in Collections:[材料科學工程學系] 期刊論文

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