Synthetic Route of 2568-25-4, As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 2568-25-4, Name is Benzaldehyde Propylene Glycol Acetal, SMILES is CC1OC(C2=CC=CC=C2)OC1, belongs to copper-catalyst compound. In a article, author is Anantharaj, Sengeni, introduce new discover of the category.
Boosting the oxygen evolution activity of copper foam containing trace Ni by intentionally supplementing Fe and forming nanowires in anodization
Oxygen evolution reaction (OER) is the bottleneck for realizing energy-efficient hydrogen production through water electrolysis in both acid and alkali. Alkaline OER electrocatalyzed by Ni and Co hydroxides are well known which showed unexpected enhancement with the addition of Fe. We found that the commercially procured Cu foam containing trace amount of Ni (similar to 1.5 wt.%) upon anodization formed Cu(OH)(2)-CuO nanowires with conceivable formation of Ni(OH)(2) and experienced a notable enhancement in its OER activity. When sufficient amount of Fe was intentionally supplemented during anodization, OER activity of the same was further improved. Specifically, as a combined result of anodization in KOH and in Fe supplemented KOH, overpotential at 50 mA cm(-2) was lowered by 153 mV. Such an activation also improved the kinetics of OER by lowering the Tafel slope by 100 mV dec(-1). With these, it has been shown here that a moderately active OER catalyst i.e., Cu(OH)(2)-CuO/Cu formed upon the anodization of Cu foam can be turned into a highly active catalyst just by utilizing the trace Ni that it already contains and intentionally supplementing sufficient amount of Fe. (C) 2020 Elsevier Ltd. All rights reserved.
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Reference:
Copper catalysis in organic synthesis – NCBI,
,Special Issue “Fundamentals and Applications of Copper-Based Catalysts”