Identifying the rate-determining step (RDS) for oxygen incorporation into mixed ionic and electronic conducting electrodes is very challenging, particularly since the local composition changes during the reaction. Now, a generally applicable method for identifying the RDS is presented, with the example of a Pr0.1Ce0.9O2–x electrode.
This is a preview of subscription content, access via your institution
Access options
Access Nature and 54 other Nature Portfolio journals
Get Nature+, our best-value online-access subscription
$29.99 / 30 days
cancel any time
Subscribe to this journal
Receive 12 digital issues and online access to articles
$119.00 per year
only $9.92 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
References
Kilner, J. A., DeSouza, R. A. & Fullarton, I. C. Solid State Ion. 86–88, 703–709 (1996).
Gopal, C. B. & Haile, S. M. J. Mater. Chem. A 2, 2405–2417 (2014).
Baumann, F. S. et al. J. Electrochem. Soc. 154, B931–B941 (2007).
Guan, Z. X., Chen, D. & Chueh, W. C. Phys. Chem. Chem. Phys. 19, 23414–23424 (2017).
Schmid, A., Rupp, G. M. & Fleig, J. Phys. Chem. Chem. Phys. 20, 12016–12026 (2018).
Mizusaki, J., Amano, K., Yamauchi, S. & Fueki, K. Solid State Ion. 22, 313–322 (1987).
Kawada, T. et al. in Solid Oxide Fuel Cells (SOFC VI) (eds Singhal, S. C. & Dokiya, M.) 396–403 (The Electrochemical Society, 1999).
Chen, D. et al. Nat. Catal. https://doi.org/10.1038/s41929-019-0401-9 (2020).
Merkle, R. & Maier, J. Phys. Chem. Chem. Phys. 4, 4140–4148 (2002).
De Souza, R. A. Phys. Chem. Chem. Phys. 8, 890–897 (2006).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Wachtel, E., Lubomirsky, I. Pathway for electrochemical O2 incorporation. Nat Catal 3, 94–95 (2020). https://doi.org/10.1038/s41929-020-0426-0
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41929-020-0426-0