Electrocatalytic Activity of Ordered Intermetallic Phases for Fuel Cell Applications
Abstract
The electrocatalytic activities of a wide range of ordered intermetallic phases toward a variety of potential fuels have been studied, and results have been compared to those of a pure polycrystalline platinum (Pt(pc)) electrode. A significant number of the ordered intermetallic phases exhibited enhanced electrocatalytic activity when compared to that of Pt, in terms of both oxidation onset potential and current density. The PtBi, PtIn, and PtPb ordered intermetallic phases appeared to be the most promising electrocatalysts tested thus far for fuel cell applications. PtPb, in particular, showed an onset potential that was 100 mV less positive and a peak current density approximately 40 times higher than those observed for Pt in the case of methanol oxidation. The ability to control the geometric and electronic structures of the electrocatalytic material by using ordered intermetallic phases has been shown to be a promising direction of inquiry in the search for superior electrocatalysts for fuel cell applications.
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The high cost and earth-limited storage of Pt and Pt-based materials restrict their wide applications.
“Although Pt and Pt-based materials are the best hydrogen evolution reaction (HER) catalysts [6], the high cost and earth-limited storage restrict their wide applications [7].”
From Graphene/graphene nanoribbon aerogels as tunable three-dimensional framework for efficient hydrogen evolution reaction (2017) · cites this paper as [7]
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- Authors
- Casado-Rivera, E., Volpe, D. J., Alden, L., Lind, C., Downie, C., Vázquez-Alvarez, T., Angelo, A. C. D., DiSalvo, F. J., & Abruña, H. D.
- Affiliations
- Contribution from the Department of Chemistry & Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, and Laboratory Electrocatalise, P. O. Box 473, Bauru, São Paulo, Brazil
- Cornell University (US)
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-03-01
- Volume
- 126
- Issue
- 12
- Pages
- 4043-4049
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2077729566
- Cited by
- 521
- References
- 1
- Citations by year
- 2026: 2 · 2025: 10 · 2024: 7 · 2023: 11 · 2022: 11 · 2021: 16 · 2020: 17 · 2019: 22 · 2018: 24 · 2017: 20 · 2016: 27 · 2015: 36 · 2014: 43 · 2013: 37 · 2012: 39
- FWCI
- 16.69
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the American Chemical Society (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
- Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
- Keywords
- ordered intermetallic phases, electrocatalysis, fuel cells, platinum catalysts, PtpB, methanol oxidation, hydrogen evolution reaction, oxygen reduction reaction, turn-on voltage, electronic structure, geometric structure
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