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Structural Evolution of Pt, Au and Cu Anodes by Electrolysis up to Contact Glow Discharge Electrolysis in Alkaline Electrolytes**
ChemPhysChem ( IF 2.3 ) Pub Date : 2021-09-14 , DOI: 10.1002/cphc.202100433
Evelyn Artmann 1 , Pramod V Menezes 1 , Lukas Forschner 1 , Mohamed M Elnagar 1 , Ludwig A Kibler 1 , Timo Jacob 1 , Albert K Engstfeld 1
Affiliation  

The structural changes of the catalytically relevant materials Pt, Au and Cu upon electrolysis at 50 to 580 V were studied in alkaline electrolytes. Pt is stable under all investigated electrolysis conditions, while Au and Cu form thick oxide films under the same conditions. The Au and Cu oxides can reduce spontaneously (partially for Cu) in the electrolysis solution or by electrochemical reduction, resulting in nanoporous film formation.
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中文翻译:


碱性电解质中从电解到接触辉光放电电解的 Pt、Au 和 Cu 阳极的结构演变**



研究了催化相关材料 Pt、Au 和 Cu 在碱性电解液中在 50 至 580 V 电压下电解时的结构变化。 Pt 在所有研究的电解条件下都是稳定的,而 Au 和 Cu 在相同条件下形成厚氧化膜。 Au和Cu的氧化物可以在电解溶液中自发还原(部分为Cu)或通过电化学还原,从而形成纳米多孔薄膜。
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更新日期:2021-09-14
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