Open Access
On the influence of the Pt to carbon ratio on the degradation of high surface area carbon supported PEM fuel cell electrocatalysts
Jozsef Speder
1
,
Alessandro Zana
1
,
Ioannis Spanos
1
,
Jacob J. K. Kirkensgaard
2
,
Kell Mortensen
2
,
Matthias Arenz
1
Тип публикации: Journal Article
Дата публикации: 2013-09-01
scimago Q2
wos Q2
БС1
SJR: 1.025
CiteScore: 7.9
Impact factor: 4.2
ISSN: 13882481, 18731902
Electrochemistry
Краткое описание
In the presented work we investigate the influence of the Pt to carbon ratio on the degradation behavior of Pt based proton exchange membrane fuel cell (PEMFC) catalysts. In order to enable a systematic investigation, we utilized a recently developed colloidal synthesis approach for preparing catalysts with identical Pt nanoparticles (NPs), but varying Pt loadings. Two different commercially available, standard carbon supports were used, Vulcan XC72 and Ketjenblack EC-300. We evaluated the influence of the platinum loading on the electrochemical surface area (ECSA) loss by applying accelerated stress tests simulating a load-cycle in a PEMFC and start-up/shutdown conditions. Simulating load cycles, no clear influence of the Pt loading on the ECSA loss is observed, whereas the ECSA loss significantly increases with increasing Pt loading when simulating start-up/shutdown conditions.
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ГОСТ
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Speder J. et al. On the influence of the Pt to carbon ratio on the degradation of high surface area carbon supported PEM fuel cell electrocatalysts // Electrochemistry Communications. 2013. Vol. 34. pp. 153-156.
ГОСТ со всеми авторами (до 50)
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Speder J., Zana A., Spanos I., Kirkensgaard J. J. K., Mortensen K., Arenz M. On the influence of the Pt to carbon ratio on the degradation of high surface area carbon supported PEM fuel cell electrocatalysts // Electrochemistry Communications. 2013. Vol. 34. pp. 153-156.
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TY - JOUR
DO - 10.1016/j.elecom.2013.06.001
UR - https://doi.org/10.1016/j.elecom.2013.06.001
TI - On the influence of the Pt to carbon ratio on the degradation of high surface area carbon supported PEM fuel cell electrocatalysts
T2 - Electrochemistry Communications
AU - Speder, Jozsef
AU - Zana, Alessandro
AU - Spanos, Ioannis
AU - Kirkensgaard, Jacob J. K.
AU - Mortensen, Kell
AU - Arenz, Matthias
PY - 2013
DA - 2013/09/01
PB - Elsevier
SP - 153-156
VL - 34
SN - 1388-2481
SN - 1873-1902
ER -
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@article{2013_Speder,
author = {Jozsef Speder and Alessandro Zana and Ioannis Spanos and Jacob J. K. Kirkensgaard and Kell Mortensen and Matthias Arenz},
title = {On the influence of the Pt to carbon ratio on the degradation of high surface area carbon supported PEM fuel cell electrocatalysts},
journal = {Electrochemistry Communications},
year = {2013},
volume = {34},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016/j.elecom.2013.06.001},
pages = {153--156},
doi = {10.1016/j.elecom.2013.06.001}
}