Improved Pd electro-catalysis for oxygen reduction reaction in direct methanol fuel cell by reduced graphene oxide

R. Carrera-Cerritos, V. Baglio, A. S. Aricò, J. Ledesma-García, M. F. Sgroi, D. Pullini, A. J. Pruna, D. B. Mataix, R. Fuentes-Ramírez, L. G. Arriaga

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Noble metallic nano-catalysts supported on carbon based substrates are extensively used as electrodes for direct methanol fuel cells (DMFCs). Pd is a promising alternative to the more expensive Pt whether its catalytic properties should be improved. To this aim, reduced graphene oxide (rGO) was employed in this study as an alternative to conventional carbon black (C) substrates to improve the catalytic properties of Pd. Pd nanobars and Pt nanoparticles were synthesized, by the polyol method, and deposited for comparison both on commercial carbon and rGO. The oxygen reduction reactions (ORRs) at the fabricated electrodes were tested by the Rotating Disk Electrode (RDE) technique in acidic media. To correlate the activity to other physico-chemical properties, the nano-catalysts were characterized by Thermo Gravimetric Analysis (TGA), X-Ray Diffraction (XRD), and Transmission Electron Microscopy (TEM). The electro-catalytic activity of the electrode is importantly affected by the support chosen. Specifically, the Pd nano-catalyst proved an enhanced performance when on rGO, while the Pt counterpart was found being more active when placed on C. This result can be explained with a strong dependence of the ORR on the interaction between the metal nano-catalyst and the carbon based support. © 2013 Elsevier B.V.
Original languageAmerican English
Pages (from-to)554-560
Number of pages497
JournalApplied Catalysis B: Environmental
DOIs
StatePublished - 1 Jan 2014
Externally publishedYes

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Direct methanol fuel cells (DMFC)
Graphite
catalysis
fuel cell
Catalysis
Oxides
Graphene
Methanol
methanol
Electrodes
electrode
catalyst
Catalyst supports
oxide
Oxygen
oxygen
Carbon
Catalysts
carbon
Soot

Cite this

Carrera-Cerritos, R. ; Baglio, V. ; Aricò, A. S. ; Ledesma-García, J. ; Sgroi, M. F. ; Pullini, D. ; Pruna, A. J. ; Mataix, D. B. ; Fuentes-Ramírez, R. ; Arriaga, L. G. / Improved Pd electro-catalysis for oxygen reduction reaction in direct methanol fuel cell by reduced graphene oxide. In: Applied Catalysis B: Environmental. 2014 ; pp. 554-560.
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abstract = "Noble metallic nano-catalysts supported on carbon based substrates are extensively used as electrodes for direct methanol fuel cells (DMFCs). Pd is a promising alternative to the more expensive Pt whether its catalytic properties should be improved. To this aim, reduced graphene oxide (rGO) was employed in this study as an alternative to conventional carbon black (C) substrates to improve the catalytic properties of Pd. Pd nanobars and Pt nanoparticles were synthesized, by the polyol method, and deposited for comparison both on commercial carbon and rGO. The oxygen reduction reactions (ORRs) at the fabricated electrodes were tested by the Rotating Disk Electrode (RDE) technique in acidic media. To correlate the activity to other physico-chemical properties, the nano-catalysts were characterized by Thermo Gravimetric Analysis (TGA), X-Ray Diffraction (XRD), and Transmission Electron Microscopy (TEM). The electro-catalytic activity of the electrode is importantly affected by the support chosen. Specifically, the Pd nano-catalyst proved an enhanced performance when on rGO, while the Pt counterpart was found being more active when placed on C. This result can be explained with a strong dependence of the ORR on the interaction between the metal nano-catalyst and the carbon based support. {\circledC} 2013 Elsevier B.V.",
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Carrera-Cerritos, R, Baglio, V, Aricò, AS, Ledesma-García, J, Sgroi, MF, Pullini, D, Pruna, AJ, Mataix, DB, Fuentes-Ramírez, R & Arriaga, LG 2014, 'Improved Pd electro-catalysis for oxygen reduction reaction in direct methanol fuel cell by reduced graphene oxide', Applied Catalysis B: Environmental, pp. 554-560. https://doi.org/10.1016/j.apcatb.2013.07.057

Improved Pd electro-catalysis for oxygen reduction reaction in direct methanol fuel cell by reduced graphene oxide. / Carrera-Cerritos, R.; Baglio, V.; Aricò, A. S.; Ledesma-García, J.; Sgroi, M. F.; Pullini, D.; Pruna, A. J.; Mataix, D. B.; Fuentes-Ramírez, R.; Arriaga, L. G.

In: Applied Catalysis B: Environmental, 01.01.2014, p. 554-560.

Research output: Contribution to journalArticle

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T1 - Improved Pd electro-catalysis for oxygen reduction reaction in direct methanol fuel cell by reduced graphene oxide

AU - Carrera-Cerritos, R.

AU - Baglio, V.

AU - Aricò, A. S.

AU - Ledesma-García, J.

AU - Sgroi, M. F.

AU - Pullini, D.

AU - Pruna, A. J.

AU - Mataix, D. B.

AU - Fuentes-Ramírez, R.

AU - Arriaga, L. G.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - Noble metallic nano-catalysts supported on carbon based substrates are extensively used as electrodes for direct methanol fuel cells (DMFCs). Pd is a promising alternative to the more expensive Pt whether its catalytic properties should be improved. To this aim, reduced graphene oxide (rGO) was employed in this study as an alternative to conventional carbon black (C) substrates to improve the catalytic properties of Pd. Pd nanobars and Pt nanoparticles were synthesized, by the polyol method, and deposited for comparison both on commercial carbon and rGO. The oxygen reduction reactions (ORRs) at the fabricated electrodes were tested by the Rotating Disk Electrode (RDE) technique in acidic media. To correlate the activity to other physico-chemical properties, the nano-catalysts were characterized by Thermo Gravimetric Analysis (TGA), X-Ray Diffraction (XRD), and Transmission Electron Microscopy (TEM). The electro-catalytic activity of the electrode is importantly affected by the support chosen. Specifically, the Pd nano-catalyst proved an enhanced performance when on rGO, while the Pt counterpart was found being more active when placed on C. This result can be explained with a strong dependence of the ORR on the interaction between the metal nano-catalyst and the carbon based support. © 2013 Elsevier B.V.

AB - Noble metallic nano-catalysts supported on carbon based substrates are extensively used as electrodes for direct methanol fuel cells (DMFCs). Pd is a promising alternative to the more expensive Pt whether its catalytic properties should be improved. To this aim, reduced graphene oxide (rGO) was employed in this study as an alternative to conventional carbon black (C) substrates to improve the catalytic properties of Pd. Pd nanobars and Pt nanoparticles were synthesized, by the polyol method, and deposited for comparison both on commercial carbon and rGO. The oxygen reduction reactions (ORRs) at the fabricated electrodes were tested by the Rotating Disk Electrode (RDE) technique in acidic media. To correlate the activity to other physico-chemical properties, the nano-catalysts were characterized by Thermo Gravimetric Analysis (TGA), X-Ray Diffraction (XRD), and Transmission Electron Microscopy (TEM). The electro-catalytic activity of the electrode is importantly affected by the support chosen. Specifically, the Pd nano-catalyst proved an enhanced performance when on rGO, while the Pt counterpart was found being more active when placed on C. This result can be explained with a strong dependence of the ORR on the interaction between the metal nano-catalyst and the carbon based support. © 2013 Elsevier B.V.

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