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Electrocatalytic Measurement Methodology of Oxide Catalysts Using a Thin-Film Rotating Disk Electrode

Open access
Suntivich, Jin, Gasteiger, Hubert A., Yabuuchi, Naoaki, Shao-Horn, Yang·2010·Journal of The Electrochemical Society

Abstract

Transition-metal oxides can exhibit high electrocatalytic activity for reactions such as the oxygen reduction reaction (ORR) in alkaline media. It is often difficult to measure and compare the activities of oxide catalysts on either per mass or per surface area basis, because of the poorly defined oxygen transport to and within porous oxide electrodes of several tens of micrometers thickness. In this study, a methodology was developed to compare the ORR activities of submicrometer-sized transition-metal oxides. Thin films of , , and oxide particles were bonded to glassy carbon via an ion-exchanged Nafion binder, and their mass and specific ORR activities were extracted from rotating disk electrode measurements. We found that the specific activity of was much higher than that of and . The projection of in the actual fuel cell cathode was presented, which was shown to be competitive with current platinum-based cathodes.

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Metadata

Authors
Suntivich, J., Gasteiger, H. A., Yabuuchi, N., & Shao-Horn, Y.
Venue
Journal of The Electrochemical Society
Published
2010
Volume
157
Issue
8
Pages
B1263
ISSN
0013-4651 (ISSN-L)
OpenAlex
W2090716099
Cited by
374
References
5
FWCI
7.86
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Electrocatalytic Measurement Methodology of Oxide Catalysts Using a Thin-Film Rotating Disk Electrode. https://app.cochat.ai/papers/10.1149/1.3456630
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Suntivich, J., Gasteiger, H. A., Yabuuchi, N., & Shao-Horn, Y. (2010). Electrocatalytic Measurement Methodology of Oxide Catalysts Using a Thin-Film Rotating Disk Electrode. Journal of The Electrochemical Society. https://doi.org/10.1149/1.3456630

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.