The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Temperature Dependence of Oxygen Reduction Activity at Pt−Fe, Pt−Co, and Pt−Ni Alloy Electrodes
Abstract
Oxygen reduction reaction (ORR) activity and H(2)O(2) formation at Pt(54)Fe(46), Pt(68)Co(32), and Pt(63)Ni(37) electrodes in 0.1 M HClO(4) solution at 20 to 90 degrees C were investigated by using a channel flow double electrode method. In the temperature range of 20-50 degrees C, the apparent rate constants k(app) for ORR at these electrodes were found to be 2.4-4.0 times larger than that at a pure Pt electrode, whereas their apparent activation energies of 41 kJ mol(-1) at -0.525 V vs E degrees (0.760 V vs RHE at 30 degrees C) were comparable to that at the Pt electrode. H(2)O(2) yield was ca. 1.0% at Pt(54)Fe(46) and ca. 0.16% at Pt(68)Co(32) and Pt(63)Ni(37) between 0.3 and 1.0 V vs RHE. The k(app) values at the alloy electrodes decreased with elevating temperature above 60 degrees C, and settled to almost the same values at the Pt electrode. The H(2)O(2) production was not detected at the alloy electrodes once heated at the high temperature in the solution, probably due to the thickening of the Pt skin-layer by a considerable dissolution of nonprecious metal components (Fe, Co, Ni) from the alloys.
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Citations
Cites
Enhancement of the Electroreduction of Oxygen on Pt Alloys with Fe, Ni, and Co
Toda, T., Igarashi, H., Uchida, H., & Watanabe, M. (1999) · Journal of The Electrochemical Society · doi:10.1149/1.1392544 · Cited by 1,336
Self-citationWroblowa, H. S., Yen-Chi-Pan, & Razumney, G. (1976) · Journal of Electroanalytical Chemistry and Interfacial Electrochemistry · doi:10.1016/s0022-0728(76)80250-1 · Cited by 532
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Recent advances in activity and durability enhancement of Pt/C catalytic cathode in PEMFC
Yu, X., & Ye, S. (2007) · Journal of Power Sources · doi:10.1016/j.jpowsour.2007.07.048 · Cited by 1,098
Antolini, E., Salgado, J. R. C., & Gonzalez, E. R. (2006) · Journal of Power Sources · doi:10.1016/j.jpowsour.2006.03.006 · Cited by 503
Yano, H., Kataoka, M., Yamashita, H., Uchida, H., & Watanabe, M. (2007) · Langmuir · doi:10.1021/la070078u · Cited by 284
Self-citationJayasayee, K., Veen, J. A. R. V., Manivasagam, T. G., Celebi, S., Hensen, E. J. M., & de Bruijn, F. A. (2012) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2011.11.003 · Cited by 204
Yano, H., Inukai, J., Uchida, H., Watanabe, M., Babu, P. K., Kobayashi, T., Chung, J. H., Oldfield, E., & Wieckowski, A. (2006) · Physical Chemistry Chemical Physics · doi:10.1039/b610573d · Cited by 187
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Metadata
- Authors
- Wakabayashi, N., Takeichi, M., Uchida, H., & Watanabe, M.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-03-01
- Volume
- 109
- Issue
- 12
- Pages
- 5836-5841
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W1964254083
- Cited by
- 192
- References
- 2
- FWCI
- 12.51
- Type
- journal article
- Language
- en
- Open access
- closed
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