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Oxygen Reduction on Small Supported Platinum Particles
Abstract
A series of four catalysts with 5, 10, 20, and 30 weight percent of Pt on carbon has been prepared and incorporated into Teflon‐bonded electrodes. The mean Pt crystallite sizes, as determined by chemisorption, were less than 1, 1.1, 1.4, and 4.1 nm. Also, a Teflon‐bonded Pt‐black electrocatalyst with a Pt crystallite size of 12 nm was prepared. These electrodes were used for the cathodic reduction of dioxygen in 0.5 M H 2 SO 4 at 298 K. The turnover frequency decreased by a factor of 20 with decreasing particle size. Since surface area per weight of metal increases as particle size decreases, the optimum Pt crystallite diameter is about 3 nm.
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Cited by
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Shao, M., Peles, A., & Shoemaker, K. (2011) · Nano Letters · doi:10.1021/nl2017459 · Cited by 878
Formation of carbon-supported PtM alloys for low temperature fuel cells: a review
Antolini, E. (2003) · Materials Chemistry and Physics · doi:10.1016/s0254-0584(02)00389-9 · Cited by 624
Bezerra, C. W. B., Zhang, L., Liu, H., Lee, K., Marques, A. L. B., Marques, E. P., Wang, H., & Zhang, J. (2007) · Journal of Power Sources · doi:10.1016/j.jpowsour.2007.08.028 · Cited by 439
Xiong, L., Kannan, A. M., & Manthiram, A. (2002) · Electrochemistry Communications · doi:10.1016/s1388-2481(02)00485-x · Cited by 259
Metadata
- Authors
- Peuckert, M., Yoneda, T., Betta, R. A. D., & Boudart, M.
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 1986-05-01
- Volume
- 133
- Issue
- 5
- Pages
- 944-947
- ISSN
- 0013-4651 (ISSN-L)
- 1945-7111
- OpenAlex
- W2035598671
- Cited by
- 259
- References
- 0
- FWCI
- 4.21
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Oxygen Reduction on Small Supported Platinum Particles. https://app.cochat.ai/papers/10.1149/1.2108769
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- Peuckert, M., Yoneda, T., Betta, R. A. D., & Boudart, M. (1986). Oxygen Reduction on Small Supported Platinum Particles. Journal of The Electrochemical Society. https://doi.org/10.1149/1.2108769
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