Electrochemical characterization of PtRu nanoparticles supported on mesoporous carbon for methanol electrooxidation
Nanoparticles of PtRu supported on mesoporous carbon were obtained by the impregnation and reduction method with NaBH 4. The high-surface-area mesoporous carbon was obtained by carbonization of a resorcinol-formaldehyde polymer with a cationic polyelectrolyte as a soft template. Surface characteriza...
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2012
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| LEADER | 12453caa a22015737a 4500 | ||
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| 001 | PAPER-9858 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518203950.0 | ||
| 008 | 190411s2012 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-84857378006 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Viva, F.A. | |
| 245 | 1 | 0 | |a Electrochemical characterization of PtRu nanoparticles supported on mesoporous carbon for methanol electrooxidation |
| 260 | |c 2012 | ||
| 270 | 1 | 0 | |m Bruno, M.M.; Grupo Celdas de Combustible, Departamento de Física de la Materia Condensada, Comisión Nacional de Energía Atómica (CNEA), Av General Paz 1499 (1650), San Martín, Buenos Aires, Argentina; email: mbruno@tandar.cnea.gov.ar |
| 506 | |2 openaire |e Política editorial | ||
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| 520 | 3 | |a Nanoparticles of PtRu supported on mesoporous carbon were obtained by the impregnation and reduction method with NaBH 4. The high-surface-area mesoporous carbon was obtained by carbonization of a resorcinol-formaldehyde polymer with a cationic polyelectrolyte as a soft template. Surface characterization performed by transmission electron microscopy and powder X-ray diffraction showed a homogeneous distribution and high dispersion of metal particles. The PtRu catalyst shows an electrochemical active surface area, determined by CO stripping, 45% higher than PtRu catalyst synthesized by the same method on Vulcan. This translated in a 25% increase in the methanol oxidation current as well as a lower poisoning rate and higher turnover frequency, as was assessed by cyclic voltammetry and chronoamperometry. Differential electrochemical mass spectroscopy indicated an 8% higher conversion efficiency of methanol to CO 2, demonstrating the benefits of using a mesoporous carbon as catalyst support. © 2011 American Chemical Society. |l eng | |
| 593 | |a Grupo Celdas de Combustible, Departamento de Física de la Materia Condensada, Comisión Nacional de Energía Atómica (CNEA), Av General Paz 1499 (1650), San Martín, Buenos Aires, Argentina | ||
| 593 | |a Escuela de Ciencia y Tecnología, Universidad de Gral. San Martín, Martin de Irigoyen 3100 (1650), San Martín, Buenos Aires, Argentina | ||
| 593 | |a Instituto de Química Física de Los Materiales, Medio Ambiente y Energía, Universidad de Buenos Aires - CONICET, Ciudad Universitaria, Pabellón II, 1428 Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a CATIONIC POLYELECTROLYTE |
| 690 | 1 | 0 | |a CO STRIPPING |
| 690 | 1 | 0 | |a DIFFERENTIAL ELECTROCHEMICAL MASS SPECTROSCOPIES |
| 690 | 1 | 0 | |a ELECTROCHEMICAL ACTIVE SURFACE AREAS |
| 690 | 1 | 0 | |a ELECTROCHEMICAL CHARACTERIZATIONS |
| 690 | 1 | 0 | |a HIGH DISPERSION |
| 690 | 1 | 0 | |a HOMOGENEOUS DISTRIBUTION |
| 690 | 1 | 0 | |a MESOPOROUS CARBON |
| 690 | 1 | 0 | |a METAL PARTICLE |
| 690 | 1 | 0 | |a METHANOL ELECTROOXIDATION |
| 690 | 1 | 0 | |a METHANOL OXIDATION CURRENTS |
| 690 | 1 | 0 | |a POWDER X RAY DIFFRACTION |
| 690 | 1 | 0 | |a PT-RU CATALYSTS |
| 690 | 1 | 0 | |a PT-RU NANOPARTICLES |
| 690 | 1 | 0 | |a REDUCTION METHOD |
| 690 | 1 | 0 | |a RESORCINOL FORMALDEHYDES |
| 690 | 1 | 0 | |a SOFT TEMPLATE |
| 690 | 1 | 0 | |a SURFACE CHARACTERIZATION |
| 690 | 1 | 0 | |a TURNOVER FREQUENCY |
| 690 | 1 | 0 | |a CARBON DIOXIDE |
| 690 | 1 | 0 | |a CARBONIZATION |
| 690 | 1 | 0 | |a CATALYSTS |
| 690 | 1 | 0 | |a CHRONOAMPEROMETRY |
| 690 | 1 | 0 | |a CONVERSION EFFICIENCY |
| 690 | 1 | 0 | |a CYCLIC VOLTAMMETRY |
| 690 | 1 | 0 | |a ELECTROOXIDATION |
| 690 | 1 | 0 | |a MASS SPECTROMETRY |
| 690 | 1 | 0 | |a MESOPOROUS MATERIALS |
| 690 | 1 | 0 | |a METHANOL |
| 690 | 1 | 0 | |a PHENOLS |
| 690 | 1 | 0 | |a PLATINUM ALLOYS |
| 690 | 1 | 0 | |a TRANSMISSION ELECTRON MICROSCOPY |
| 690 | 1 | 0 | |a X RAY DIFFRACTION |
| 650 | 1 | 7 | |2 spines |a CARBON |
| 700 | 1 | |a Bruno, M.M. | |
| 700 | 1 | |a Jobbágy, M. | |
| 700 | 1 | |a Corti, H.R. | |
| 773 | 0 | |d 2012 |g v. 116 |h pp. 4097-4104 |k n. 6 |p J. Phys. Chem. C |x 19327447 |t Journal of Physical Chemistry C | |
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| 856 | 4 | 0 | |u https://doi.org/10.1021/jp209549g |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_19327447_v116_n6_p4097_Viva |y Handle |
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