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  Expanding the frontiers of hydrogen evolution electrocatalysis-searching for the origins of electrocatalytic activity in the anomalies of the conventional model

Zeradjanin, A. R., Narangoda, P., Spanos, I., Masa, J., & Schlögl, R. (2021). Expanding the frontiers of hydrogen evolution electrocatalysis-searching for the origins of electrocatalytic activity in the anomalies of the conventional model. Electrochimica Acta, 388: 138583. doi:10.1016/j.electacta.2021.138583.

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 Creators:
Zeradjanin, Aleksandar R.1, Author
Narangoda, Praveen1, Author
Spanos, Ioannis1, Author
Masa, Justus1, Author
Schlögl, Robert1, 2, Author           
Affiliations:
1Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34–36, 45470 Mülheim an der Ruhr, Germany, ou_persistent22              
2Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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 Abstract: After decades of research, understanding the origins of electrocatalytic activity remains a fundamental scientific challenge. While most of the efforts were directed towards comprehending what dictates bonding of intermediates, attempts to go beyond the paradigm of optimal adsorption energies are rare. In this work, by analysis of the conventional hydrogen electrocatalysis model, and by comparative analysis of Pt and Pd, we propose what can be an important contributor to electrocatalytic activity, besides adsorption energies of intermediates. Discussion is initiated about the possible link between bulk electronic structure of a metal and charge transfer coefficient (including symmetry factor of activation barrier) as a key contributor to electrode reaction rate.

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Language(s): eng - English
 Dates: 2021-02-282021-05-062021-05-132021-08-20
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.electacta.2021.138583
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Title: Electrochimica Acta
  Abbreviation : Electrochim. Acta
Source Genre: Journal
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Publ. Info: Oxford, UK : Pergamon-Elsevier Science Ltd
Pages: - Volume / Issue: 388 Sequence Number: 138583 Start / End Page: - Identifier: ISSN: 0013-4686
CoNE: https://pure.mpg.de/cone/journals/resource/954925396434