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Magneli phase Ti8O15 nanowires as conductive carbon-free energy materials to enhance the electrochemical activity of palladium nanoparticles for direct ethanol oxidation
Shen, PK; He CY(何春勇); He, CY; Chang, SY; Huang, XD; Tian, ZQ
2015
发表期刊JOURNAL OF MATERIALS CHEMISTRY A
卷号3期号:27页码:14416-14423
文章类型Article
摘要Pure single-crystalline Magneli phase Ti8O15 nanowires (NWs) have been successfully synthesized via a facile one-step evaporation-deposition synthesis method in a hydrogen atmosphere. The electrical conductivity of a single Ti8O15 nanowire is 2060 S m(-1) at 300 K, which is much higher than that of carbon black (similar to 100 S m(-1)) and almost as high as that of graphite (similar to 1000 S m(-1)) or graphene (similar to 2000 S m(-1)). Pd nanoparticles (NPs) loaded on Ti8O15 nanowires are synthesized through a pulsed electrodeposition method. As carbon-free support materials for Pd NPs, the Pd/Ti8O15 NWs show a significantly enhanced activity for the ethanol oxidation reaction and excellent durability compared to the Pd/C catalyst. The peak current density of the Pd/Ti8O15 NWs after 2000 cycles is 2791 mA mg(Pd)(-1), with only 18.6% loss, while, on the Pd/C electrode, only a current density of 682 mA mg(Pd)(-1) is observed, with a loss of 42.3% of the initial ethanol oxidation reaction activity. The synthetic approach for pure single-crystalline Magneli phase Ti8O15 nanowires gives the inspiration for the development of conductive carbon-free materials for electrocatalysis in direct alcohol fuel cells (DAFCs).
学科领域Chemistry; Energy & Fuels; Materials Science
DOI10.1039/c5ta02622a
收录类别SCI
WOS类目Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS记录号WOS:000357257900043
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228635
专题东莞分部
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Shen, PK,He CY,He, CY,et al. Magneli phase Ti8O15 nanowires as conductive carbon-free energy materials to enhance the electrochemical activity of palladium nanoparticles for direct ethanol oxidation[J]. JOURNAL OF MATERIALS CHEMISTRY A,2015,3(27):14416-14423.
APA Shen, PK,何春勇,He, CY,Chang, SY,Huang, XD,&Tian, ZQ.(2015).Magneli phase Ti8O15 nanowires as conductive carbon-free energy materials to enhance the electrochemical activity of palladium nanoparticles for direct ethanol oxidation.JOURNAL OF MATERIALS CHEMISTRY A,3(27),14416-14423.
MLA Shen, PK,et al."Magneli phase Ti8O15 nanowires as conductive carbon-free energy materials to enhance the electrochemical activity of palladium nanoparticles for direct ethanol oxidation".JOURNAL OF MATERIALS CHEMISTRY A 3.27(2015):14416-14423.
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