The Effect of Noncovalent Interactions on the HOR, ORR, and HER on Ru, Ir, and Ru0.50Ir0.50 Metal Surfaces in Alkaline Environments

The Effect of Noncovalent Interactions on the HOR, ORR, and HER on Ru, Ir, and Ru0.50Ir0.50 Metal Surfaces in Alkaline Environments

The role of noncovalent interactions in the hydrogen oxidation reaction (HOR), oxygen reduction reaction (ORR), and hydrogen evolution reaction (HER) on Ru, Ir, and Ru 0.5 Ir 0.5 electrodes is studied in alkaline solution containing K + , Li + , and Ba 2+ cations. We found that noncovalent interacti...

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Veröffentlicht in:Electrocatalysis 2012-12, Vol.3 (3-4), p.221-229
Hauptverfasser: Danilovic, N., Subbaraman, Ram, Strmcnik, D., Paulikas, A. P., Myers, D., Stamenkovic, V. R., Markovic, N. M.
Format: Artikel
Sprache:eng
Schlagworte:
Catalysis
Chemistry
Chemistry and Materials Science
Electrochemistry
Energy Systems
Physical Chemistry
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Zusammenfassung:The role of noncovalent interactions in the hydrogen oxidation reaction (HOR), oxygen reduction reaction (ORR), and hydrogen evolution reaction (HER) on Ru, Ir, and Ru 0.5 Ir 0.5 electrodes is studied in alkaline solution containing K + , Li + , and Ba 2+ cations. We found that noncovalent interaction between hydrated cations and covalently bonded OH ad increases in the same order as specific charge density of the corresponding cation (K +  
ISSN:1868-2529
1868-5994
DOI:10.1007/s12678-012-0100-7