oxygen reduction and evolution
Metal organic framework derived hybrid carbon nanocages as bifunctional electrocatalyst for oxygen reduction and evolution
... In summary, we have developed a facile approach to prepare hybrid carbon nanocages with N-doped carbon (NC) as inner shells and Co-N-doped graphitic carbon (Co-NGC) as outer shells by the controlled pyrolysis of ...
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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) are two very active research topics in the field of the energy storage and conversion for use in fuel cells, batteries ...
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Effect of Fluoride Ions on Oxygen Reduction and Evolution Reaction at α-MnO2 Cathode
... electrode to investigate its possible application in an aqueous Li-air battery. The electrolyte was modified by the addition of trace amounts of halide anions and alkali metal cations. Fluoride anions and potassium ...
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PdAg Bimetallic Nanoparticles Encapsulated in Porous Carbon Derived from UIO-66 as Electrocatalyst for Oxygen Reduction and Hydrogen Evolution Reactions
... both oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER) is critical for promoting energy conversion efficiency in fuel cells and metal- air batteries, and produce hydrogen with ...
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Unsupported PtxRuyIrz and PtxIry as Bi-functional Catalyst for Oxygen Reduction and Oxygen Evolution Reactions in Acid Media, for Unitized Regenerative Fuel Cell
... for Oxygen Reduction Reaction (ORR) have demonstrated low activity for Oxygen Evolution Reaction ...nomenclature, Oxygen electrode and Hydrogen electrode terms are used to refer as ...
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Nanostructured carbons containing FeNi/NiFe2O4 supported over N doped carbon nanofibers for oxygen reduction and evolution reactions
... Herein, two different morphologies of FeNi/NiFe2O4 supported over hierarchical N-doped carbons were achieved via carbonization of the polymer nanofibers by controlling the ratio of metal s[r] ...
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Electrocatalytic Activity of Co-based Perovskite Oxides for Oxygen Reduction and Evolution Reactions
... Sci., 11 2016 5900 – 5908, doi: 10.20964/2016.07.68 International Journal of ELECTROCHEMICAL SCIENCE www.electrochemsci.org Electrocatalytic Activity of Co-based Perovskite Oxides for Ox[r] ...
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Co doped MoS2 as Bifunctional Electrocatalyst for Hydrogen Evolution and Oxygen Reduction Reactions
... The Co-3-MoS2 composite electrode presents the smallest Tafel slope of 141 mV dec-1, and when compared to other electrodes, the Co-3-MoS2 composite electrode also has the largest exchang[r] ...
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Synthesis and Characterization of Silver-Modified Micro- Diamond as an Electrocatalyst for Oxygen Evolution and Reduction Reactions in Alkaline Medium
... chemical reduction of silver nitrate and characterized via X-ray diffraction, scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy, and Raman ...during ...
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Electrochemical Study of Sb-Doped SnO2 Supports on the Oxygen Evolution Reaction: Effect of Synthesis Annealing Time
... of oxygen: oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) usually are the slowest reactions in FC, WE and URFC, and therefore the limiting factors for these ...
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Metal Porphyrins for Oxygen Reduction in PEMFC
... weak reduction current ...and oxygen evolution, major changes of the voltammograms could not be encountered in contrast to the reduction/oxidation current peaks of this perovskite in a ...
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Nitrogen Doped Carbon Wrapped Fe3O4 as an Efficient Bifunctional Oxygen Electrocatalyst
... of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), which are involved in the working process of these devices, are intrinsically ...high-performance oxygen ...
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TEMPERATURE REGULATION IN INFANTS WITH CHRONIC HYPOXEMIA
... Mild reduction of box temperature to 28#{176}C produced an increase in oxygen consumption and a reduction of skin blood flow. The increasing oxygen consumption was transitorily interrupt[r] ...
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Oxide/Doped SnO2 Oxygen-Evolving Catalysts on the
... Keywords: proton exchange membrane water electrolysis; anode catalyst; oxygen evolution.. 32.[r] ...
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Copolymer Modified Electrode with Anthraquinones for Oxygen Reduction
... electrodes are essential for fuel cells and sensors. In the electrochemical devices, oxygen reduction is an important reaction. A large number of compounds have been reported. The previous reports were made ...
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An Enzymatic Biofuel cell Based On Electrochemically Reduced Graphene Oxide and Multiwalled Carbon nanotubes/Zinc oxide Modified Electrode
... The simple biofuel cell consisting of the ERGO/GOx based bioanode and MWCNT/ZnO/laccase based biocathode has been presented. From the SEM results clearly indicate that, the GOx was well immobilized at the ERGO surface. ...
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Stress Reduction of Ge2Sb2Te5 by Inhibiting Oxygen Diffusion
... increases. The impurity in the atmosphere during the heat cycle is probably the oxygen source. It is also presented in the three capped samples that stress-change is decreased com- pared with that of the basic ...
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Oxygen Specific Power Reduction for Air Separation
... Patent review showed a new layout of MS vessels, where two vessels can be used in service instead of one, this will reduce the pressure drop across the MS system to about (50%). Figure 5 shows the new layout of MS ...
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Effect of Cu Ad-layers deposited onto Gold Electrodes Surfaces on the Electrocatalytic Reduction of Oxygen in Alkaline Solution: a Rotating Ring-Disk Electrode Hydrodynamic Voltammetry Study
... negative potential, two cathodic peaks were observed on an Au(111) electrode at ca. −0.31 V and ca. −0.62 V vs. Ag|AgCl (peaks III and IV), which are probably due to the reduction of the Cu(I) ad-layer. These ...
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Reductive metabolism of oxymatrine is catalyzed by microsomal CYP3A4
... of reduction reaction were related to the oxygen content, different oxygen contents conditions were designed by driving out oxygen with nitrogen or helium to investigate the effect of ...
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