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High Resolution Mapping of Oxygen Reduction Reaction

High resolution mapping of oxygen reduction reaction kinetics at polycrystalline platinum electrodes

High resolution mapping of oxygen reduction reaction kinetics at polycrystalline platinum electrodes

... complex high-index platinum surfaces, and further demonstrate the power of high resolution flux imaging techniques to visualize and understand complex electrocatalyst ...

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Supporting information for. The oxygen reduction reaction at silver electrodes in high chloride media and

Supporting information for. The oxygen reduction reaction at silver electrodes in high chloride media and

... Table S4. Literature solubility of O 2 in various solutions. *Data obtained for solution at a) 25 °C, b) 30 °C. Table S5. Literature solubility of O 2 in solution with varied salinity at 25 o C. *Data obtained a) with ...

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Combinatorial and High Throughput Screening of Electrocatalysts for the Oxygen Reduction Reaction in Alkaline Fuel Cells

Combinatorial and High Throughput Screening of Electrocatalysts for the Oxygen Reduction Reaction in Alkaline Fuel Cells

... With the phenomenal rise of Tesla Inc., electric vehicle (EV) industry has been experiencing a boom. Compare to ICEVs, EVs have almost zero net emissions and much higher energy efficiency with batteries and electric ...

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Recent Developments in Electrode Materials for Oxygen Reduction Reaction

Recent Developments in Electrode Materials for Oxygen Reduction Reaction

... Kinetic study of ORR and the electron transfer reaction have been optimized by RDE. The calculated electron transfer reaction which was 3.8 for Pd@Pt NDs/C, 3.8 for PdPt NCs/C and 3.9 for Pt/C respectively. ...

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Electrocatalytic Properties of Bimetallic Surfaces for the Oxygen Reduction Reaction

Electrocatalytic Properties of Bimetallic Surfaces for the Oxygen Reduction Reaction

... pure oxygen and maintained on the electrolyte surface during the electrochemical ...in oxygen free electrolyte from open circuit potential at a v = 50 mVs -1 for 40 cycles, enough time to reach stable ...

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Heavily Graphitic Nitrogen Self doped High porosity Carbon for the Electrocatalysis of Oxygen Reduction Reaction

Heavily Graphitic Nitrogen Self doped High porosity Carbon for the Electrocatalysis of Oxygen Reduction Reaction

... of high-porosity carbons doped with heavily graphitic nitrogen from two-step pyrolysis of kidney bean biomass combining with the activation of zinc chloride and acid-treatment process, which can be functioned as ...

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Nitrogen doped Carbon Nanotubes as Electrocatalyst for Oxygen Reduction Reaction

Nitrogen doped Carbon Nanotubes as Electrocatalyst for Oxygen Reduction Reaction

... The oxygen reduction reaction on nitrogen doped multiwalled carbon nanotubes (N-MCNTs) is studied for its application for deoxygenation of ...showed high activity for the ORR in the chloride ...

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Carbon Hybrids Electrocatalysts for Oxygen Reduction Reaction in Fuel Cells

Carbon Hybrids Electrocatalysts for Oxygen Reduction Reaction in Fuel Cells

... more oxygen contact with the catalytic active sites, and therefore it is very important to investigate the wetting behaviour of solid ...the high-temperature treatment process, the intrinsic hydrophobicity ...

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Preparation of Fe-N-Carbon Nanocoils as Catalyst for Oxygen Reduction Reaction

Preparation of Fe-N-Carbon Nanocoils as Catalyst for Oxygen Reduction Reaction

... catalyst, oxygen reduction reaction 1. INTRODUCTION Thanks to high efficiency, low operation temperature, and low environmental impact, proton exchange membrane fuel cell (PEMFC) has been ...

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Ultrasmall PtNi Bimetallic Nanoclusters for Oxygen Reduction Reaction in Alkaline Media

Ultrasmall PtNi Bimetallic Nanoclusters for Oxygen Reduction Reaction in Alkaline Media

... The PtNi alloyed NCs with different Pt-to-Ni ratios were first synthesized. As depicted in Figure S1, a featureless exponential decay profile in absorbance was obtained for all the samples. Such absorbance feature ...

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Fabrication of Nitrogen-Doped Carbon Nanofiber Networks for Oxygen Reduction Reaction

Fabrication of Nitrogen-Doped Carbon Nanofiber Networks for Oxygen Reduction Reaction

... carbon samples, as shown in Figure 1b, also exhibited a cross-linked nanofiber structure, which is very similar to the PPy NFWs precursor, but with shrined nanofiber diameters. The surface texture of the fibers is ...

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Stability of TiO2 Promoted PtCo/C Catalyst for Oxygen Reduction Reaction

Stability of TiO2 Promoted PtCo/C Catalyst for Oxygen Reduction Reaction

... The activity of all three PtCo/C catalysts was then tested in a single PEM fuel cell under H 2 /O 2 at atmospheric pressure and temperature of 60 o C. As clearly seen in Figure 6, the T CVD -PtCo/C exhibited the highest ...

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Recent developments of nano-structured materials as the catalysts for oxygen reduction reaction

Recent developments of nano-structured materials as the catalysts for oxygen reduction reaction

... were reduction of Pt consumption in elec- trochemical cell, even though there were a lot of approaching methods to achieve high cost-efficiency and ...catalytic reaction is operated in the surface of ...

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Pt Submonolayer Decorated PdAu/C Nanocatalyst for Oxygen Reduction Reaction

Pt Submonolayer Decorated PdAu/C Nanocatalyst for Oxygen Reduction Reaction

... observed high activity for Pt decorated was due to a decrease in the PtOH adsorption capacity because of the electronic interactions within the Pt atoms and PdAu ...the oxygen cathodes of the ...

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Electrodeposited Nanoporous PtY Alloy Electrodes with Enhanced Oxygen Reduction Reaction

Electrodeposited Nanoporous PtY Alloy Electrodes with Enhanced Oxygen Reduction Reaction

... Figure 8. Polarization curves of the electrodes for ORR before and after the stability test between 1.1 and 0.3 V in O 2 -saturated 0.1 M HClO 4 with a scan rate of 5 mV s -1 . After the stability test, the ORR activity ...

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Electrocatalytic activity of starch/Fe3O4/zeolite bionanocomposite for oxygen reduction reaction

Electrocatalytic activity of starch/Fe3O4/zeolite bionanocomposite for oxygen reduction reaction

... Therefore, in respect to the above-mentioned findings, a new type of non-precious and low cost electrocatalyst based on starch/Fe 3 O 4 /zeolite-BNC was developed to study its elec- trocatalytic activity for ORR process. ...

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Oxygen Reduction Reaction on PtCo Nanocatalyst: (Bi)sulfate Anion Poisoning

Oxygen Reduction Reaction on PtCo Nanocatalyst: (Bi)sulfate Anion Poisoning

... the oxygen reduction reaction (ORR) on a common PtCo nanocatalyst was studied by the rotating disk electrode (RDE) technique, for the first time to the best of our ...ORR reaction, are ...

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Surface Distortion as a Unifying Concept and Descriptor in Oxygen Reduction Reaction Electrocatalysis

Surface Distortion as a Unifying Concept and Descriptor in Oxygen Reduction Reaction Electrocatalysis

... 11 both ‘structurally-ordered’ and ‘structurally-disordered’ catalysts, their operating mode is totally different from one to the other. As demonstrated by DFT calculations (see Fig. S6) and schematized Fig. 4.b, in the ...

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Metal Oxide/Pt Based Nanocomposites as Electrocatalysts for Oxygen Reduction Reaction

Metal Oxide/Pt Based Nanocomposites as Electrocatalysts for Oxygen Reduction Reaction

... the Oxygen Reduction Reaction (ORR) on the cathode side due to the formation of –OH species at ...further reduction of oxygen and hence, results in loss of performance (3) and then, ...

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High-Performance N-doped Bifunctional Carbon Electrocatalysts Derived from Polymer Waste for Oxygen Reduction and Evolution Reaction

High-Performance N-doped Bifunctional Carbon Electrocatalysts Derived from Polymer Waste for Oxygen Reduction and Evolution Reaction

... the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is vital for the development of fuel cells, metal- air batteries and water oxidation ...

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