oxygen reduction reaction (ORR)
Electrodeposited Nanoporous PtY Alloy Electrodes with Enhanced Oxygen Reduction Reaction
... Oxygen reduction reaction (ORR) is well known as the most important reaction in biological respiration and energy converting systems such as fuel ...electrochemical reduction of the ...
12
Recent developments of nano-structured materials as the catalysts for oxygen reduction reaction
... Developments of high efficient materials for electrocatalyst are significant topics of numerous researches since a few decades. Recent global interests related with energy conversion and storage lead to the expansion of ...
15
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 ...
12
Nitrogen-doped Carbon with Hierarchical Porous Structure for Electrocatalysis of Oxygen Reduction Reaction
... reached saturation current, which suggest ORR occurred on this samples is a diffusion-controlled process via an efficient 4e - dominated pathway. Figure 5 clearly shows that half-wave potential of N- HPC is only 100 mV ...
8
Fabrication of Nitrogen-Doped Carbon Nanofiber Networks for Oxygen Reduction Reaction
... In this work, nitrogen-doped carbon nanofiber networks (NCFWs) were fabricated by a simple method of paralyzing polypyrrole nanofiber networks (PPy NFWs) precursor. Scanning electron microscopy (SEM), Transmission ...
7
Acetonitrile Adsorption on Pt Single-Crystal Electrodes and Its Effect on Oxygen Reduction Reaction in Acidic and Alkaline Aqueous Solutions
... Lastly, oxygen reduction reaction (ORR) has been investigated by using the hanging meniscus rotating disk electrode (HMRDE) ...hinders oxygen reduction for the more positive potentials, ...
44
Oxygen Reduction Reaction at in Situ Fabricated Active Gold Over Layers in Acidic Media
... like oxygen reduction reaction (ORR) [2-4], oxidation of ethylene glycol [5], simultaneous determination of dopamine and ascorbate [6] and oxidation of glucose [7], ...and reduction of ...
13
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, ...
8
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 ...
6
Graphene Quantum Dots Doped PEDOT and Its Electrocatalytic Performance for Oxygen Reduction Reaction
... Oxygen reduction reaction (ORR) is key issue for fuel cells because it always produces large polarization thus result in decrease of fuel cell ...thermal reduction at ...the reduction ...
11
Transition metal nitrogen carbon catalysts for oxygen reduction reaction in neutral electrolyte
... Platinum group metal-free (PGM-free) catalysts based on M-N-C types of materials with M as Mn, Fe, Co and Ni and aminoantipyrine (AAPyr) as N-C precursors were synthesized using sacri fi cial support method. Catalysts ...
5
Preparation of Fe-N-Carbon Nanocoils as Catalyst for Oxygen Reduction Reaction
... then oxygen reduction reaction (ORR) activity and stability were determined by cyclic voltammetry (CV) and linear sweep ...facilitate oxygen transportation and further reduction ...
12
A comparative investigation on various platinum nanoparticles decorated carbon supports for oxygen reduction reaction
... etc with high efficiencies (70% theoretically and 40~50% practically). Moreover, they are non-polluting energy sources and capable of providing very high energy densities [5–9]. Although the origin of fuel cells can be ...
22
Multi-Walled Carbon Nanotube-Gold Nanocomposites toward Oxygen Reduction Reaction
... ethyl-3-methylimidazolium tetrafluoroborate (EMIBF4) in the presence of MWCNTs. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to characterize the obtained samples. The results showed that ...
16
Electrocatalytic Properties of Bimetallic Surfaces for the Oxygen Reduction Reaction
... the oxygen reduction reaction because one of mayor problems is the irreversible and its large overpotential required to reaction occur, it leads for example, to a significant loss on ...
18
Synthesis and characterizations of Ni NiO nanoparticles on PDDA modified graphene for oxygen reduction reaction
... for oxygen reduction reaction (ORR), the increasing cost of Pt and the low abundance trig- gered scientists to develop non-noble metal catalysts for fuel cell applications ...
6
Ultrasmall PtNi Bimetallic Nanoclusters for Oxygen Reduction Reaction in Alkaline Media
... Ultrasmall PtNi bimetallic nanoclusters (NCs) were synthesized and employed as effective electrocatalysts for oxygen reduction reaction (ORR). PtNi NCs capped by polyvinyl pyrrolidone were ...
17
High resolution mapping of oxygen reduction reaction kinetics at polycrystalline platinum electrodes
... The scanning droplet-based technique, scanning electrochemical cell microscopy (SECCM), combined with electron backscatter diffraction (EBSD), is demonstrated as a powerful approach for visualizing surface structure ...
9
Recent Developments in Electrode Materials for Oxygen Reduction Reaction
... as oxygen reduction reaction ...exhibited oxygen reduction current was higher than the non-magnetized cathode ...for oxygen reduction of carbon supported platinum-vanadium ...
26
Electrocatalytic activity of starch/Fe3O4/zeolite bionanocomposite for oxygen reduction reaction
... Versa STAT3 employing Versa Studio software was used to perform the linear sweep voltammetry (LSV) and cyclic voltammetry for the electrochemical characterization. The tests were conducted using a conventional ...
12