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Cited by 185

The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

Role of Strain and Conductivity in Oxygen Electrocatalysis on LaCoO3 Thin Films

Open access
Stoerzinger, Kelsey A., Choi, Woo Seok, Jeen, Hyoungjeen, Lee, Ho Nyung, Shao-Horn, Yang·2015·The Journal of Physical Chemistry Letters

Abstract

The slow kinetics of the oxygen reduction and evolution reactions (ORR, OER) hinder energy conversion and storage in alkaline fuel cells and electrolyzers employing abundant transition metal oxide catalysts. Systematic studies linking material properties to catalytic activity are lacking, in part due to the heterogeneous nature of powder-based electrodes. We demonstrate, for the first time, that epitaxial strain can tune the activity of oxygen electrocatalysis in alkaline solutions, focusing on the model chemistry of LaCoO3, where moderate tensile strain can further induce changes in the electronic structure leading to increased activity. The resultant decrease in charge transfer resistance to the electrolyte reduces the overpotential in the ORR more notably than the OER and suggests a different dependence of the respective rate-limiting steps on electron transfer. This provides new insight into the reaction mechanism applicable to a range of perovskite chemistries, key to the rational design of highly active catalysts.

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Metadata

Authors
Stoerzinger, K. A., Choi, W. S., Jeen, H., Lee, H. N., & Shao-Horn, Y.
Venue
The Journal of Physical Chemistry Letters
Published
2015-01-22
Volume
6
Issue
3
Pages
487-492
ISSN
1948-7185 (ISSN-L)
OpenAlex
W2325432270
Cited by
185
References
5
FWCI
4.79
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Role of Strain and Conductivity in Oxygen Electrocatalysis on LaCoO3 Thin Films. https://app.cochat.ai/papers/10.1021/jz502692a
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Stoerzinger, K. A., Choi, W. S., Jeen, H., Lee, H. N., & Shao-Horn, Y. (2015). Role of Strain and Conductivity in Oxygen Electrocatalysis on LaCoO3 Thin Films. The Journal of Physical Chemistry Letters. https://doi.org/10.1021/jz502692a

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