WebJan 15, 2024 · The oxophilic effect is favored for the HER/HOR in alkaline electrolyte. • The catalytic center's strain effect is found in the nanoalloy itself. Keywords PtNi nanoalloys Hydrogen electrode reaction Oxygen reduction reaction Alkaline medium 1. Introduction WebJan 20, 2024 · Tailoring the near-surface composition of Pt-based alloy can optimize the surface chemical properties of a nanocatalyst and further improve the sluggish H 2 electrooxidation performance in an alkaline electrolyte. However, the construction of alloy nanomaterials with a precise near-surface composition and smaller particle size still …
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WebAug 7, 2012 · Another example is when a bimetallic alloy is composed of a noble metal and an oxophilic metal, in which OH* bound to the oxophilic metal can act as a Brønsted acid that can catalyze dehydration and hydrogenolysis reactions. ... Further investigations studied the effect of the position and form of the alloy as well as the relationship between ... WebAug 1, 2024 · In summary, we perform a clear and convincing judgment that oxophilic effects serve different roles on HER and HOR in alkaline. That is, OH ad can greatly … long term care facility definition medical
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WebOxophilicity. Oxophilicity is the tendency of certain chemical compounds to form oxides by hydrolysis or abstraction of an oxygen atom from another molecule, often from organic compounds. The term is often used to describe metal centers, commonly the early transition metals such as titanium, niobium, and tungsten. WebDec 10, 2024 · Electrocatalytic oxygen evolution reaction (OER) is one of the crucial reactions for converting renewable electricity into chemical fuel in the form of hydrogen. To date, there is still a challenge in designing ideal cost-effective OER catalysts with excellent activity and robust durability. The hybridization of transition metal oxides and … WebOct 2, 2014 · Favorable effects of Pt-Had energy on HOR kinetics were found with the oxophilicity of the sp2 domains of carbon that serve as anchoring or nucleation sites for … hopewell missouri