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| Hauptseite > Publikationsdatenbank > On the mobility of carbon-supported platinum nanoparticles towards unveiling cathode degradation in water electrolysis > print |
| Hauptseite > Publikationsdatenbank > On the mobility of carbon-supported platinum nanoparticles towards unveiling cathode degradation in water electrolysis > print |
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| 100 | 1 | _ | |a Paciok, Paul |0 P:(DE-Juel1)151296 |b 0 |
| 245 | _ | _ | |a On the mobility of carbon-supported platinum nanoparticles towards unveiling cathode degradation in water electrolysis |
| 260 | _ | _ | |a New York, NY [u.a.] |c 2017 |b Elsevier |
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| 520 | _ | _ | |a This study investigates the influence of the hydrogen evolution reaction (HER) overpotential on the mobility of carbon-supported platinum particles. The migration of the platinum over the carbon support was analyzed by means of identical location transmission electron microscopy (IL-TEM). While at potentials of 0.1 and 0 V vs. reversible hydrogen electrode (RHE), no changes to the Pt/C material were observed. With a decrease of the overpotential to −0.1 V vs. RHE, an increase in the quantity of migrating platinum particles took place. At −0.2 V vs. RHE, a further rise in the particle migration was observed. The effect of the overpotential on the migration was explained by a higher hydrogen generation rate, the formation of a hydrogen monolayer on the platinum and the resulting changes of the platinum support distance. The mechanisms revealed in this study could describe a relevant source of degradation of PEM water electrolyzers. |
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| 700 | 1 | _ | |a Schalenbach, Maximilian |0 P:(DE-Juel1)156320 |b 1 |
| 700 | 1 | _ | |a Carmo, Marcelo |0 P:(DE-Juel1)145276 |b 2 |e Corresponding author |
| 700 | 1 | _ | |a Lüke, Wiebke |0 P:(DE-Juel1)128533 |b 3 |
| 700 | 1 | _ | |a Stolten, Detlef |0 P:(DE-Juel1)129928 |b 4 |
| 773 | _ | _ | |a 10.1016/j.jpowsour.2017.07.033 |g Vol. 365, p. 53 - 60 |0 PERI:(DE-600)1491915-1 |p 53 - 60 |t Journal of power sources |v 365 |y 2017 |x 0378-7753 |
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