TiC, TiCN, and TiN Supported Pt Electrocatalysts for CO and Methanol Oxidation in Acidic and Alkaline Media
Тип публикации: Journal Article
Дата публикации: 2013-09-26
SCImago Q1
WOS Q3
БС1
SJR: 0.82
CiteScore: 6.2
Impact factor: 3.2
ISSN: 19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Краткое описание
TiC, TiCN, and TiN supported Pt nanoparticles have been investigated as anode electrocatalytic materials for direct methanol fuel cells. The catalysts were studied in acidic and alkaline media and compared with platinum supported on carbon black. CO and methanol oxidation were studied by voltammetry and chronoamperometry techniques. Transmission electron microscopy, X-ray photoelectron spectroscopy and X-ray diffraction analysis were employed to characterize the novel catalysts. Results show that a carbon-supported Pt catalyst is mainly formed by nanoparticles with long (111) domains, and those catalysts with a titanium-based support present a huge amount of defect sites with diverse symmetries. Additionally to geometric factors, an electronic effect by the Ti-based support leads to considerably enhanced CO electrooxidation with respect to carbon-supported catalysts, which is of special relevance in alkaline media. However, no such improvement is observed during the methanol oxidation reaction on Ti-based...
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Roca Ayats M. et al. TiC, TiCN, and TiN Supported Pt Electrocatalysts for CO and Methanol Oxidation in Acidic and Alkaline Media // Journal of Physical Chemistry C. 2013. Vol. 117. No. 40. pp. 20769-20777.
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Roca Ayats M., García G., Galante J. L., Peña M. J., Martínez-Huerta M. V. TiC, TiCN, and TiN Supported Pt Electrocatalysts for CO and Methanol Oxidation in Acidic and Alkaline Media // Journal of Physical Chemistry C. 2013. Vol. 117. No. 40. pp. 20769-20777.
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TY - JOUR
DO - 10.1021/jp407260v
UR - https://doi.org/10.1021/jp407260v
TI - TiC, TiCN, and TiN Supported Pt Electrocatalysts for CO and Methanol Oxidation in Acidic and Alkaline Media
T2 - Journal of Physical Chemistry C
AU - Roca Ayats, Maria
AU - García, Gonzalo
AU - Galante, J L
AU - Peña, M. José
AU - Martínez-Huerta, Maria Victoria
PY - 2013
DA - 2013/09/26
PB - American Chemical Society (ACS)
SP - 20769-20777
IS - 40
VL - 117
SN - 1932-7447
SN - 1932-7455
ER -
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@article{2013_Roca Ayats,
author = {Maria Roca Ayats and Gonzalo García and J L Galante and M. José Peña and Maria Victoria Martínez-Huerta},
title = {TiC, TiCN, and TiN Supported Pt Electrocatalysts for CO and Methanol Oxidation in Acidic and Alkaline Media},
journal = {Journal of Physical Chemistry C},
year = {2013},
volume = {117},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021/jp407260v},
number = {40},
pages = {20769--20777},
doi = {10.1021/jp407260v}
}
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Roca Ayats, Maria, et al. “TiC, TiCN, and TiN Supported Pt Electrocatalysts for CO and Methanol Oxidation in Acidic and Alkaline Media.” Journal of Physical Chemistry C, vol. 117, no. 40, Sep. 2013, pp. 20769-20777. https://doi.org/10.1021/jp407260v.
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