The arrows to the left represent strong adsorption of *N, and the arrows to the right mean weak adsorption of *N. Reproduced with permission from Long et al.,191 Copyright 2021, American Chemical Society. A brief summary of transition metal borides used for NRR CatalystElectrolyteF.E. (%)...
The Behavior of Substances in Water Part 1: (f) Explain why HCl is a strong electrolyte and ammonia is a weak electrolyte.Will BaSO4 be more soluble in an acidic solution or in pure water? Explain.Will Ni(OH)2 be more soluble in an acidic solution or in pure water? Explain....
The simultaneous solubility of weak electrolyte gases like ammonia, carbon dioxide, hydrogen sulfide or hydrogen cyanide in aqueous solutions is known in many applications. Typical examples are the cleaning of raw gases in power stations, the production of fertilizers or applications in the field of ...
The Raman laser was designed to be incident from the back of catalysts to diminish the interference from the strong absorbance of NO3− in the electrolyte. As illustrated in Fig. 3e, the electrocatalysts were deposited on fluorine tin oxide-coated glass (FTO) as the working electrode (WE)....
a small activation barrier for N2dissociation and a surface with low coverage of adsorbed atomic nitrogen during ammonia synthesis. This requires a strong and a weak N-surface interaction, respectively. At conditions relevant in industrial processes closest to the optimum are Ru or Os used as catal...
We propose that this reduction originates from charge redistribution in NiFe2O4 in the electronic heterojunction with carbon, while enhanced electrolyte diffusion in microporous carbon facilitates high conversion rates. Density functional theory calculations clarify the low energy barrier on NiFe2O4, ...
For TMs (Fe, Ni, and Pd) with strong nitrogen binding, the ER mechanism (Supplementary Fig. 6a–c) are much more favorable than LH mechanism (Supplementary Fig. 6d–i). For TMs with weak reactivity, e.g., Cu and Ag, three ways (LH mechanism) were also excluded due to higher ...
intermediates, the combination of Cu1-N-C and Co3O4would couple the separate functions of Cu sites and Co3O4species for the sequential reduction of NO3−and NO2−. As expected, Co3O4/Cu1-N-C displayed the highest current density among the three catalysts in the electrolyte of NO3...
80 In single-atom catalysts, the surrounding matrix is an effective parameter for modulating the electronic states of the single metal atom due to strong interaction with the coordinated elements. Similarly, regulation of the size of the catalyst to clusters can tune the electronic states of active...
Although water is responsible for a reduction in overall SOFC performance, similar to combustion, it is reported to suppress generation of NOx which is of particular concern when ammonia is present with the oxygen anion electrolyte (Eq. (6)) (Yang et al., 2015b). 3.3. Low temperature ...