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The Pt(111)/Electrolyte Interface under Oxygen Reduction Reaction Conditions: An Electrochemical Impedance Spectroscopy Study
Abstract
The Pt(111)/electrolyte interface has been characterized during the oxygen reduction reaction (ORR) in 0.1 M HClO(4) using electrochemical impedance spectroscopy. The surface was studied within the potential region where adsorption of OH* and O* species occur without significant place exchange between the adsorbate and Pt surface atoms (0.45-1.15 V vs RHE). An equivalent electric circuit is proposed to model the Pt(111)/electrolyte interface under ORR conditions within the selected potential window. This equivalent circuit reflects three processes with different time constants, which occur simultaneously during the ORR at Pt(111). Density functional theory (DFT) calculations were used to correlate and interpret the results of the measurements. The calculations indicate that the coadsorption of ClO(4)* and Cl* with OH* is unlikely. Our analysis suggests that the two-dimensional (2D) structures formed in O(2)-free solution are also formed under ORR conditions.
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Cites
Origin of the Overpotential for Oxygen Reduction at a Fuel-Cell Cathode
Nørskov, J. K., Rossmeisl, J., Logadottir, A., Lindqvist, L., Kitchin, J. R., Bligaard, T., & Jónsson, H. (2004) · The Journal of Physical Chemistry B · doi:10.1021/jp047349j · Cited by 13,153
Self-citationAlloys of platinum and early transition metals as oxygen reduction electrocatalysts
Greeley, J., Stephens, I. E. L., Bondarenko, A. S., Johansson, T. P., Hansen, H. A., Jaramillo, T. F., Rossmeisl, J., Chorkendorff, I., & Nørskov, J. K. (2009) · Nature Chemistry · doi:10.1038/nchem.367 · Cited by 3,203
Self-citationAbild-Pedersen, F., Greeley, J., Studt, F., Rossmeisl, J., Munter, T. R., Moses, P. G., Skúlason, E., Bligaard, T., & Nørskov, J. K. (2007) · Physical Review Letters · doi:10.1103/physrevlett.99.016105 · Cited by 1,678
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Unveiling the Electrooxidation of Urea: Intramolecular Coupling of the N−N Bond
Chen, W., Xu, L., Zhu, X., Huang, Y., Zhou, W., Wang, D., Zhou, Y., Du, S., Li, Q., Xie, C., et al. (2021) · Angewandte Chemie International Edition · doi:10.1002/anie.202015773 · Cited by 531
Unifying Kinetic and Thermodynamic Analysis of 2 e– and 4 e– Reduction of Oxygen on Metal Surfaces
Hansen, H. A., Viswanathan, V., & Nørskov, J. K. (2014) · The Journal of Physical Chemistry C · doi:10.1021/jp4100608 · Cited by 465
Self-citationUnifying the 2e– and 4e– Reduction of Oxygen on Metal Surfaces
Viswanathan, V., Hansen, H. A., Rossmeisl, J., & Nørskov, J. K. (2012) · The Journal of Physical Chemistry Letters · doi:10.1021/jz301476w · Cited by 388
Self-citationKodama, K., Motobayashi, K., Shinohara, A., Hasegawa, N., Kudo, K., Jinnouchi, R., Osawa, M., & Morimoto, Y. (2018) · ACS Catalysis · doi:10.1021/acscatal.7b03571 · Cited by 258
Liu, L., Samjeske, G., Nagamatsu, S.-I., Sekizawa, O., Nagasawa, K., Takao, S., Imaizumi, Y., Yamamoto, T., Uruga, T., & Iwasawa, Y. (2012) · The Journal of Physical Chemistry C · doi:10.1021/jp308021a · Cited by 88
Metadata
- Authors
- Bondarenko, A. S., Stephens, I. E. L., Hansen, H. A., Pérez-Alonso, F. J., Tripkovic, V., Johansson, T. P., Rossmeisl, J., Nørskov, J. K., & Chorkendorff, I.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-01-18
- Volume
- 27
- Issue
- 5
- Pages
- 2058-2066
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2331797432
- Cited by
- 207
- References
- 3
- FWCI
- 7.88
- Type
- journal article
- Language
- en
- Open access
- closed
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- Bondarenko, A. S., Stephens, I. E. L., Hansen, H. A., Pérez-Alonso, F. J., Tripkovic, V., Johansson, T. P., Rossmeisl, J., Nørskov, J. K., & Chorkendorff, I. (2011). The Pt(111)/Electrolyte Interface under Oxygen Reduction Reaction Conditions: An Electrochemical Impedance Spectroscopy Study. Langmuir. https://doi.org/10.1021/la1042475
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