[PDF] Top 20 Surface modification of commercial PtRu nanoparticles for methanol electro-oxidation
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Surface modification of commercial PtRu nanoparticles for methanol electro-oxidation
... facile surface modi fication route to improve the electrocatalytic properties of commercial PtRu nano- ...literature, PtRu nanoparticles have been generally accepted as exhibiting ... See full document
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Electrophoretic deposition of PtRu nanoparticles on carbon nanotubes for methanol oxidation
... dependence of the applied potential. Comparison of the steady current values clearly indicated that even if the suspension concentration was kept constant, the greater applied potential can generate higher ... See full document
6
Displacement Reaction in Pulse Current Deposition of PtRu for Methanol Electro-Oxidation
... the PtRu catalyst loadings, compositions, distributions, as well as particle ...set of experiments, pc depositions were conducted at various T off , while the T on and J a remained unchanged at 50 ms and 50 ... See full document
8
Pulse Electrodepositions of PtRu on Large-Area Carbon Nanotubes for Enhancement of Methanol Electro-Oxidation
... Department of Materials Science and Engineering, National Chiao Tung University, Hsin-chu 300, Taiwan We employed an electroless deposition technique to prepare Ni seeds uniformly on a carbon cloth, followed by ... See full document
6
Facile Surface Functionalization of Carbon/Nafion for Enhancement of Methanol Electro-Oxidation
... carbon surface in which multiple cyclic voltammetric (CV) sweeps are imposed in ...supply of ambient O 2 , the generation of radicals from the oxygen reduction and Nafion ionomer degradation enables ... See full document
10
Galvanostatic Pulse Plating of PtRu Nanoparticles for Direct Methanol Fuel Cells
... mg commercial carbon powders (Vulcan XC-72R) in 5.0 ml 99.5 wt% ethanol for 30 ...coating of the ink dispersion effectively reduced the surface area, porosity, and capacitance of the ... See full document
9
Effect of anodic dissolution in multi-element nanoparticles on methanol electro-oxidation
... a b s t r a c t Radio frequency sputter deposition was used to deposit multi-element nanoparticles on carbon clothes for methanol electro-oxidation. Results from energy dispersive ... See full document
5
Sputter deposition of multi-element nanoparticles as electrocatalysts for methanol oxidation
... evolution of CV responses upon cycling is not ...the surface rearrangement of catalytic atoms and preferential adsorption of particular ions are likely ...nature of ‘‘electro- ... See full document
8
Using decomposed Nafion ionomers to anchor Pt nanoparticles and improve their durability during methanol electro-oxidation
... decomposition of Na fion ionomers in the presence of ambient oxygen functionalized XC72R by producing eC]O and eCOOH moieties to cover the surface of ...adsorption of Pt ions and acted ... See full document
9
Fabrication and characterization of well-dispersed and highly stable PtRu nanoparticles on carbon mesoporous material for applications in direct methanol fuel cell
... bifunctional PtRu-CMM catalysts reported herein possess stable alloyed PtRu nanoparticles (2–3 nm) well-dispersed in ordered mesoporous carbon with high surface area and regular pore channels, ... See full document
7
Effects of the PdO nanoflake support on electrocatalytic activity of Pt nanoparticles toward methanol oxidation in acidic solutions
... Pt nanoparticles on the PdO thin films. The nanoflake morphology of the PdO support provides a large surface area for Pt nanopar- ticle loading, resulting in a large ...activity of the ... See full document
9
Structural characterizations of PtRu nanoparticles by galvanostatic pulse electrodeposition
... severity of displacement reaction and the reaction routes taken by the Ru atoms are expected to result in PtRu nano- particles with varying compositions after multiple plating ...the PtRu ... See full document
6
Electrocatalytic activity of Pt nanoparticles on a karst-like Ni thin film toward methanol oxidation in alkaline solutions
... removal of carbonaceous intermediates or residuals from the Pt catalyst surface during MOR is crucial to the electrocatalytic performance of an ...measurements for methanol ... See full document
8
Electrocatalytic activity of Pt nanoparticles on karst-rock shaped Ni thin films toward methanol and ethanol oxidation in alkaline solutions
... Hydroxyl surface groups bound on the Ni karst-rock nanostructures in the alkaline solution may greatly enhance CO electro-oxidation in terms of the bifunctional ...support for direct ... See full document
7
Nanoparticles of Pt/HxMoO3 electrodeposited in poly(3,4-ethylenedioxythiophene)- poly(styrene sulfonic acid) as the electrocatalyst for methanol oxidation
... high electro-active surface area (3.220 mC cm −2 ) of Pt/H x MoO 3 particles was successfully electrodeposited into the PEDOT-PSS matrix for methanol ...existence of H x MoO 3 ... See full document
4
Modification of multi-walled carbon nanotubes by microwave digestion method as electrocatalyst supports for direct methanol fuel cell applications
... 3 for supporting Pt nanoparticles. The characterizations of modified CNTs were carried out by TEM, XPS, FTIR and Raman ...caps of MWCNTs are opened after modifying by microwave digestion ... See full document
5
Electrochemical degradation of Nafion ionomer to functionalize carbon support for methanol electro-oxidation
... alteration of polymeric ...path for proton ...loss of sulfonic acid side chains if deliberate electrochemical treatments are ...mechanism for Nafion membrane degradation in different environ- ... See full document
9
Oxidation Resistance Improvement of TiAl Intermetallics Using Surface Modification
... one of the most promising structural alloys used in the high temperature due to their significantly low density, excellent high- temperature specific strength, as well as high modulus ...poor oxidation ... See full document
17
Effect of platinum present in multi-element nanoparticles on methanol oxidation
... densities for both forward and backward scans are represented by i f and i b , ...value of i f /i b indicates the catalytic ability to remove CO after methanol dehy- ...details of the ... See full document
4
Fabrication and Characterization of Well-dispersed and Highly Stable PtRu Nanoparticles on Carbon Mesoporous Material for Applications in Direct Methanol Fuel Cell
... Characterization of Well-Dispersed and Highly Stable PtRu Nanoparticles on Carbon Mesoporous Material for Applications in Direct Methanol Fuel Cell Shou-Heng Liu, † Wen-Yueh Yu, ‡ ... See full document
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