Pt5Gd as a Highly Active and Stable Catalyst for Oxygen Electroreduction

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Pt5Gd as a Highly Active and Stable Catalyst for Oxygen Electroreduction. / Escudero-Escribano, Maria; Verdaguer-Casadevall, Arnau; Malacrida, Paolo; Gronbjerg, Ulrik; Knudsen, Brian P.; Jepsen, Anders K.; Rossmeisl, Jan; Stephens, Ifan E. L.; Chorkendorff, Ib.

In: Journal of the American Chemical Society, Vol. 134, No. 40, 2012, p. 16476-16479.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Escudero-Escribano, M, Verdaguer-Casadevall, A, Malacrida, P, Gronbjerg, U, Knudsen, BP, Jepsen, AK, Rossmeisl, J, Stephens, IEL & Chorkendorff, I 2012, 'Pt5Gd as a Highly Active and Stable Catalyst for Oxygen Electroreduction', Journal of the American Chemical Society, vol. 134, no. 40, pp. 16476-16479. https://doi.org/10.1021/ja306348d

APA

Escudero-Escribano, M., Verdaguer-Casadevall, A., Malacrida, P., Gronbjerg, U., Knudsen, B. P., Jepsen, A. K., Rossmeisl, J., Stephens, I. E. L., & Chorkendorff, I. (2012). Pt5Gd as a Highly Active and Stable Catalyst for Oxygen Electroreduction. Journal of the American Chemical Society, 134(40), 16476-16479. https://doi.org/10.1021/ja306348d

Vancouver

Escudero-Escribano M, Verdaguer-Casadevall A, Malacrida P, Gronbjerg U, Knudsen BP, Jepsen AK et al. Pt5Gd as a Highly Active and Stable Catalyst for Oxygen Electroreduction. Journal of the American Chemical Society. 2012;134(40):16476-16479. https://doi.org/10.1021/ja306348d

Author

Escudero-Escribano, Maria ; Verdaguer-Casadevall, Arnau ; Malacrida, Paolo ; Gronbjerg, Ulrik ; Knudsen, Brian P. ; Jepsen, Anders K. ; Rossmeisl, Jan ; Stephens, Ifan E. L. ; Chorkendorff, Ib. / Pt5Gd as a Highly Active and Stable Catalyst for Oxygen Electroreduction. In: Journal of the American Chemical Society. 2012 ; Vol. 134, No. 40. pp. 16476-16479.

Bibtex

@article{9905648cb9e94e54ba07f3d03de7b024,
title = "Pt5Gd as a Highly Active and Stable Catalyst for Oxygen Electroreduction",
abstract = "The activity and stability of Pt5Gd for the oxygen reduction reaction (ORR) have been studied, using a combination of electrochemical measurements, angle-resolved X-ray photoelectron spectroscopy (AR-XPS), and density functional theory calculations. Sputter-cleaned, polycrystalline Pt5Gd shows a 5-fold increase in ORR activity, relative to pure Pt at 0.9 V, approaching the most active in the literature for catalysts prepared in this way. AR-XPS profiles after electrochemical measurements in 0.1 M HClO4 show the formation of a thick Pt overlayer on the bulk Pt5Gd, and the enhanced ORR activity can be explained by means of compressive strain effects. Furthermore, these novel bimetallic electrocatalysts are highly stable, which, in combination with their enhanced activity, makes them very promising for the development of new cathode catalysts for fuel cells.",
author = "Maria Escudero-Escribano and Arnau Verdaguer-Casadevall and Paolo Malacrida and Ulrik Gronbjerg and Knudsen, {Brian P.} and Jepsen, {Anders K.} and Jan Rossmeisl and Stephens, {Ifan E. L.} and Ib Chorkendorff",
year = "2012",
doi = "10.1021/ja306348d",
language = "English",
volume = "134",
pages = "16476--16479",
journal = "Journal of the American Chemical Society",
issn = "0002-7863",
publisher = "ACS Publications",
number = "40",

}

RIS

TY - JOUR

T1 - Pt5Gd as a Highly Active and Stable Catalyst for Oxygen Electroreduction

AU - Escudero-Escribano, Maria

AU - Verdaguer-Casadevall, Arnau

AU - Malacrida, Paolo

AU - Gronbjerg, Ulrik

AU - Knudsen, Brian P.

AU - Jepsen, Anders K.

AU - Rossmeisl, Jan

AU - Stephens, Ifan E. L.

AU - Chorkendorff, Ib

PY - 2012

Y1 - 2012

N2 - The activity and stability of Pt5Gd for the oxygen reduction reaction (ORR) have been studied, using a combination of electrochemical measurements, angle-resolved X-ray photoelectron spectroscopy (AR-XPS), and density functional theory calculations. Sputter-cleaned, polycrystalline Pt5Gd shows a 5-fold increase in ORR activity, relative to pure Pt at 0.9 V, approaching the most active in the literature for catalysts prepared in this way. AR-XPS profiles after electrochemical measurements in 0.1 M HClO4 show the formation of a thick Pt overlayer on the bulk Pt5Gd, and the enhanced ORR activity can be explained by means of compressive strain effects. Furthermore, these novel bimetallic electrocatalysts are highly stable, which, in combination with their enhanced activity, makes them very promising for the development of new cathode catalysts for fuel cells.

AB - The activity and stability of Pt5Gd for the oxygen reduction reaction (ORR) have been studied, using a combination of electrochemical measurements, angle-resolved X-ray photoelectron spectroscopy (AR-XPS), and density functional theory calculations. Sputter-cleaned, polycrystalline Pt5Gd shows a 5-fold increase in ORR activity, relative to pure Pt at 0.9 V, approaching the most active in the literature for catalysts prepared in this way. AR-XPS profiles after electrochemical measurements in 0.1 M HClO4 show the formation of a thick Pt overlayer on the bulk Pt5Gd, and the enhanced ORR activity can be explained by means of compressive strain effects. Furthermore, these novel bimetallic electrocatalysts are highly stable, which, in combination with their enhanced activity, makes them very promising for the development of new cathode catalysts for fuel cells.

U2 - 10.1021/ja306348d

DO - 10.1021/ja306348d

M3 - Journal article

VL - 134

SP - 16476

EP - 16479

JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

SN - 0002-7863

IS - 40

ER -

ID: 274921743