On February 24, 2022, Brix, Ann Cathrin; Dreyer, Maik; Koul, Adarsh; Krebs, Moritz; Rabe, Anna; Hagemann, Ulrich; Varhade, Swapnil; Andronescu, Corina; Behrens, Malte; Schuhmann, Wolfgang; Morales, Dulce M. published an article.Category: alcohols-buliding-blocks The title of the article was Structure-Performance Relationship of LaFe1-xCoxO3 Electrocatalysts for Oxygen Evolution, Isopropanol Oxidation, and Glycerol Oxidation. And the article contained the following:
Mitigating high energy costs related to sustainable H2 production via water electrolysis is important to make this process com. viable. Possible approaches are the investigation of low-cost, highly active oxygen evolution reaction (OER) catalysts and the exploration of alternative anode reactions, such as the electrocatalytic isopropanol oxidation reaction (iPOR) or the glycerol oxidation reaction (GOR), offering the possibility of simultaneously lowering the anodic overpotential and generating value-added products. A suitable class of catalysts are non-noble metal-based perovskites with the general formula ABO3, featuring rare-earth metal cations at the A- and transition metals at the B-site. We synthesized a series of LaFe1-xCoxO3 materials with x = 0-0.70 by automated co-precipitation at constant pH and subsequent calcination at 800°C. X-ray diffraction studies revealed that the phase purity was preserved in samples with x≤0.3. The activity towards the OER, iPOR, and GOR was investigated by rotating disk electrode voltammetry, showing a relation between structure and metal composition with the activity trends observed for the three reactions. Addnl., GOR product anal. via high-performance liquid chromatog. (HPLC) was conducted after 24 and 48 h electrolysis in a circular flow-through cell setup, pointing out a trade-off between activity and selectivity. The experimental process involved the reaction of 2,3-Dihydroxypropanoic acid(cas: 473-81-4).Category: alcohols-buliding-blocks
The Article related to lanthanum iron cobalt oxide isopropanol glycerol oxidation oer, Electrochemistry: Electrochemical Theory and other aspects.Category: alcohols-buliding-blocks
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