[PDF] Top 20 An electrochemical impedance study of the oxygen evolution reaction at hydrous iron oxide in base

... hydrated oxide materials exhibit good electrocatalytic potentiality due to their skeletal nature as the latter structural feature permits a major increase in the number of oxyions participating in the electrode ... See full document

... associated with a surface intermediate. In this sense, C φ can be related to the changing concentration of charged intermediates as the OER progresses. It is clear from Fig. 15a that C φ increased with applied potential ... See full document

... of hydrous nickel oxyhydroxide thin films on Au, GC and Pt substrates in aqueous base and examined the dynamics of redox switching in the latter ...First, hydrous microdispersed nickel oxy-hydroxide ... See full document

... the oxygen evolution reaction (OER) electrocatalytic behaviour of multicycled iron oxyhydroxide films in aqueous alkaline solution have been ...The oxide is grown using a repetitive ... See full document

... to oxygen evolution reaction in 1M KOH solution at 25 0 ...an oxide-slurry painting ...for electrochemical characterization. The study showed that substitution of cobalt in the ... See full document

... for Oxygen Evolution Reaction ...by reaction between Sn and Sb chloride precursors in alcoholic medium at moderate temperature, followed by an annealing procedure at 500 °C and different times ... See full document

... common reaction mechanism prevails. In the present paper, we focus on the oxygen evolution electrocatalytic behaviour of oxidised iron electrodes in alkaline ...the oxygen ... See full document

... the oxygen evolution reaction, these include thermally prepared DSA type oxide electrodes, electrochemically prepared hydrous oxide electrodes, and electrodeposited bulk ... See full document

... Figure 5. Quasi-potentiostatic anodic Tafel polarization curves (recorded at a scan-rate of 0.5 mV s −1 ) for pure Hexcel 12K AS4C CF and MoNi/CF electrode surfaces, carried out in 0.1 M NaOH solution (appropriate iR ... See full document

... Studying electrochemical processes by NAP-XPS requires the development of adapted in situ electrochemical ...solid oxide electrolytes [6, 19, 20] as well as on room [10, 16, 17] and higher [11] ... See full document

... the electrochemical reversibility ...switching reaction is regarded to be kinetically ...of hydrous oxide charge capacity Q (which is proportional to the redox charge capacity C defined for ... See full document

... the impedance response in this frequency range conforms to the expectations for the double layer ...outer hydrous region of the passive oxide film by the oxidation of Co(II) species to Co(III) based ... See full document

... level, oxygen evolution also proceeds at the surface of the anodic oxides that passivate transition metal electrodes in alkaline solution, albeit (generally) at somewhat greater overpotentials relative to ... See full document

... affect the calorific value, quality, quantity and also the performance of the whole system for biogas production. Hydrogen sulfide can significantly damage mechanical and electrical equipment used for process control, ... See full document

... graphene oxide sample are in very poorly order along the stacking direction revealing that the reduced graphene oxide comprises of largely free graphene sheet but with little of insertion of interplanar ... See full document

... The oxygen evolution electrode (anode) is the greatest source of overpotential of the system at typical operating current density [2, 6] therefore the anodic electrocatalyst needs to be highly stable and ... See full document

... Experimental Activation Energies for Oxygen Evolution Reaction on Transi- tion Metal Oxide Electrodes in Acidic Solutions.. The activation energies for the 0, evolut[r] ... See full document

... cast iron, the accumulation of sediments inside the pipe can lead to a blockage of the distribution system, causing this way an increase of the flowing pressure and pipe ... See full document

... 16. Shalom, M.; Ressnig, D.; Yang, X.; Clavel, G.; Fellinger, T.P.; Antonietti, M. Nickel nitride as an efficient electrocatalyst for water splitting. J. Master. Chem. A 2015, 3, 8171-8177. 17. Huang, C.; Zou, Y.; Ye, ... See full document

... 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 ... See full document