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Preparation and Characterization of Multiwalled Carbon Nanotube-Supported Platinum for Cathode Catalysts of Direct Methanol Fuel Cells
Multiwalled carbon nanotube-supported Pt (Pt/MWNT) nanocomposites were prepared by both the aqueous solution reduction of a Pt salt (HCHO reduction) and the reduction of a Pt ion salt in ethyleneExpand
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Ionic liquid pretreatment of cellulosic biomass: Enzymatic hydrolysis and ionic liquid recycle
Ionic liquids (ILs) are promising solvents for the pretreatment of biomass as certain ILs are able to completely solubilize lignocellulose. The cellulose can readily be precipitated with anExpand
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Carbon nanofibers supported Pt–Ru electrocatalysts for direct methanol fuel cells
Oxidized and reduced carbon nanofibers (OCNF and RCNF) were used as supports to prepare highly dispersed PtRu catalysts for the direct methanol fuel cells (DMFC). The structural and surface featuresExpand
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Performance comparison of low-temperature direct alcohol fuel cells with different anode catalysts
Abstract Low-temperature polymer electrolyte membrane fuel cells directly fed by methanol and ethanol were investigated employing carbon supported Pt, PtSn and PtRu as anode catalysts, respectively.Expand
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Pt-based anode catalysts for direct ethanol fuel cells
Abstract In the present work, several carbon supported PtSn and PtSnRu catalysts were prepared with different atomic ratios and tested in direct ethanol fuel cells (DEFC) operated at lowerExpand
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The effect of oxygen on the aromatization of methane over the Mo/HZSM‐5 catalyst
The aromatization of methane over a Mo/HZSM‐5 catalyst was carried out in the presence of oxygen. It is shown that the addition of a small amount of oxygen is beneficial to improve the durability ofExpand
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Structure and chemical composition of supported Pt-Sn electrocatalysts for ethanol oxidation
Abstract Carbon supported PtSn alloy and PtSnOx particles with nominal Pt:Sn ratios of 3:1 were prepared by a modified polyol method. High resolution transmission electron microscopy (HRTEM) andExpand
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Direct ethanol fuel cells based on PtSn anodes: the effect of Sn content on the fuel cell performance
In the present work, several carbon supported ptsn catalysts with different pt/sn atomic ratios were synthesized and characterized by x-ray diffraction (xrd), transmission electron microscopy (tem)Expand
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Phase Transformation in the Surface Region of Zirconia Detected by UV Raman Spectroscopy
The phase transformation of zirconia from tetragonal to monoclinic is characterized by UV Raman spectroscopy, visible Raman spectroscopy, and XRD. Electronic absorption of ZrO2 in the UV region makesExpand
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CuO/CeO2 catalysts: Redox features and catalytic behaviors
The reduction and oxidation features of nanostructured CuO/CeO2 catalysts prepared by the deposition-precipitation method were extensively investigated by TPR, FIF-IR and in situ XPS techniques. BothExpand
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