Stability and activity of platinum nanoparticles in the oxygen electroreduction reaction: is size or uniformity of primary importance?
Platinum–carbon catalysts are widely used in the manufacturing of proton-exchange membrane fuel cells. Increasing Pt/C activity and stability is an urgent task and the optimization of their structure seems to be one of the possible solutions. In the present paper, Pt/C electrocatalysts containing small (2–2.6 nm) nanoparticles (NPs) of a similar size, uniformly distributed over the surface of a carbon support, were obtained by the original method of liquid-phase synthesis. A comparative study of the structural characteristics, catalytic activity in the oxygen electroreduction reaction (ORR), and durability of the synthesized catalysts, as well as their commercial analogs, was carried out. It was shown that the uniformity of the structural and morphological characteristics of Pt/C catalysts makes it possible to reduce the negative effect of the small size of NPs on their stability. As a result, the obtained catalysts were significantly superior to their commercial analogs regarding ORR activity, but not inferior to them in terms of stability.
Citations by journals
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1 publication, 6.25%
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Journal of the Electrochemical Society
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1 publication, 6.25%
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Beilstein Journal of Nanotechnology
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1 publication, 6.25%
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1 publication, 6.25%
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1 publication, 6.25%
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ChemElectroChem
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Citations by publishers
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
4 publications, 25%
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Elsevier
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3 publications, 18.75%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
2 publications, 12.5%
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Pleiades Publishing
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Pleiades Publishing
2 publications, 12.5%
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IOP Publishing
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IOP Publishing
1 publication, 6.25%
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The Electrochemical Society
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The Electrochemical Society
1 publication, 6.25%
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Beilstein-Institut
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Beilstein-Institut
1 publication, 6.25%
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Springer Nature
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1 publication, 6.25%
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Wiley
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1 publication, 6.25%
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