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Bach Delpeuch A, Jacquot M, Chatenet M, Cremers C. The influence of mass-transport conditions on the ethanol oxidation reaction (EOR) mechanism of Pt/C electrocatalysts. Phys Chem Chem Phys 2016; 18:25169-25175. [DOI: 10.1039/c6cp04294e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study aims to provide further understanding of the influence of different parameters that control mass-transport (the revolution rate of the rotating disk electrode and the potential scan rate) on the ethanol oxidation reaction (EOR).
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Affiliation(s)
- Antoine Bach Delpeuch
- Fraunhofer Institut für Chemische Technologie ICT
- 76327 Pfinztal
- Germany
- Univ. Grenoble Alpes
- LEPMI
| | - Marjorie Jacquot
- Fraunhofer Institut für Chemische Technologie ICT
- 76327 Pfinztal
- Germany
- Univ. Grenoble Alpes
- LEPMI
| | | | - Carsten Cremers
- Fraunhofer Institut für Chemische Technologie ICT
- 76327 Pfinztal
- Germany
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2
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Wang H, Abruña HD. Origin of Multiple Peaks in the Potentiodynamic Oxidation of CO Adlayers on Pt and Ru-Modified Pt Electrodes. J Phys Chem Lett 2015; 6:1899-906. [PMID: 26263266 DOI: 10.1021/acs.jpclett.5b00493] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The study of the electrooxidation mechanism of CO(ad) on Pt based catalysts is very important for designing more effective CO-tolerant electrocatalysts for fuel cells. We have studied the origin of multiple peaks in the cyclic voltammograms of CO stripping from polycrystalline Pt and Ru modified polycrystalline Pt (Pt/Ru) surfaces in both acidic and alkaline media by differential electrochemical mass spectrometry (DEMS), DFT calculations, and kinetic Monte Carlo (KMC) simulations. A new CO(ad) electrooxidation kinetic model on heterogeneous Pt and Pt/Ru catalysts is proposed to account for the multiple peaks experimentally observed. In this model, OH species prefer to adsorb at low-coordination sites or Ru sites and, thus, suppress CO repopulation from high-coordination sites onto these sites. Therefore, CO(ad) oxidation occurs on different facets or regions, leading to multiplicity of CO stripping peaks. This work provides a new insight into the CO electrooxidation mechanism and kinetics on heterogeneous catalysts.
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Affiliation(s)
- Hongsen Wang
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
| | - Héctor D Abruña
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
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3
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Changes in COchem oxidative stripping activity induced by reconstruction of Pt (111) and (100) surface nanodomains. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.01.042] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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4
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Urchaga P, Baranton S, Coutanceau C, Jerkiewicz G. Evidence of an Eley-Rideal mechanism in the stripping of a saturation layer of chemisorbed CO on platinum nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:13094-13104. [PMID: 22900584 DOI: 10.1021/la302388p] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The oxidative stripping of a saturation layer of CO(chem) was studied on platinum nanoparticles of high shape selectivity and narrow size distribution. Nanospheres, nanocubes, and nano-octahedrons were synthesized using the water-in-oil microemulsion or polyacrylate methods. The three shapes allowed examination of the CO(chem) stripping in relation to the geometry of the nanoparticles and presence of specific nanoscopic surface domains. Electrochemical quartz crystal nanobalance (EQCN) measurements provided evidence for the existence of more than one mechanism in the CO(chem) stripping. This was corroborated by chronoamperometry transient for a CO(chem) saturation layer at stripping potentials of E(strip) = 0.40, 0.50, 0.60, and 0.70 V. The first mechanism is operational in the case of CO(chem) stripping at lower E(strip) values; it proceeds without adsorption of anions or H(2)O molecules and corresponds to desorption of a fraction of CO(chem) in the form of a prepeak in voltammograms or in the form of an exponential decay in chrono-amperometry (CA) transients. The second mechanism is operational in the desorption of the remaining CO(chem) at higher E(strip) values and gives rise to at least two voltammetric peaks or two CA peaks. Analysis of the experimental data and modeling of the CA transients lead to the conclusion that the stripping of a saturation layer of CO(chem) first follows an Eley-Rideal mechanism in the early stage of the process and then a Langmuir-Hinshelwood mechanism.
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Affiliation(s)
- Patrick Urchaga
- Université de Poitiers, IC2MP, UMR CNRS 7285, Poitiers, France
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Urchaga P, Baranton S, Coutanceau C, Jerkiewicz G. Electro-oxidation of CO(chem) on Pt nanosurfaces: solution of the peak multiplicity puzzle. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:3658-3663. [PMID: 22014064 DOI: 10.1021/la202913b] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
An understanding of the oxidation of chemisorbed CO (CO(chem)) on Pt nanoparticle surfaces is of major importance to fuel cell technology. Here, we report on the relation between Pt nanoparticle surface structure and CO(chem) oxidative stripping behavior. Oxidative stripping voltammograms are obtained for CO(chem) preadsorbed on cubic, octahedral, and cuboctahedral Pt nanoparticles that possess preferentially oriented and atomically flat domains. They are compared to those obtained for etched and thermally treated Pt(poly) electrodes that possess atomically flat, ordered surface domains separated by grain boundaries as well as those obtained for spherical Pt nanoparticles. A detailed analysis of the results reveals for the first time the presence of up to four voltammetric features in CO(chem) oxidative stripping transients, a prepeak and three peaks, that are assigned to the presence of surface domains that are either preferentially oriented or disordered. The interpretation reported in this article allows one to explain all features within the voltammograms for CO(chem) oxidative stripping unambiguously.
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Affiliation(s)
- Patrick Urchaga
- Laboratoire de Catalyse en Chimie Organique, Equipe Electrocatalyse, Université de Poitiers, 40 Avenue du Recteur Pineau, 86022 Poitiers Cedex, France
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6
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Balasubramanian S, Lakshmanan B, Hetzke C, Sethuraman V, Weidner J. Quantifying oxidation rates of carbon monoxide on a Pt/C electrode. Electrochim Acta 2011. [DOI: 10.1016/j.electacta.2011.10.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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7
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Resolution of the mechanism of CO electrooxidation on steady state and evaluation of the kinetic parameters for Pt and Ru electrodes. J Solid State Electrochem 2011. [DOI: 10.1007/s10008-011-1597-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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8
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Rincón A, Pérez M, Gutiérrez C. Dependence of low-potential CO electrooxidation on the number of Pt monolayers on gold. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.01.062] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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10
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Sethuraman VA, Lakshmanan B, Weidner JW. Quantifying desorption and rearrangement rates of carbon monoxide on a PEM fuel cell electrode. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2009.04.049] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Bonnefont A, Varela H, Krischer K. Stationary spatial patterns during bulk CO electrooxidation on platinum. J Phys Chem B 2007; 109:3408-15. [PMID: 16851372 DOI: 10.1021/jp045821v] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We present experimental studies and mathematical modeling on pattern formation during bulk CO electrooxidation on Pt ring electrodes. Profiles of the interfacial potential drop in front of the working electrode were recorded with a potential probe. Stationary self-organized potential patterns were observed under potentiostatic conditions in dilute acidic and basic supporting electrolytes. The amplitude and shape of these potential patterns can be modified by an appropriate local perturbation of the interfacial potential drop. A mathematical model of the formation of these patterns reveals that the homogeneous state becomes unstable through a subcritical Turing-like bifurcation and that several patterned electrode states coexist in wide parameter ranges.
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Affiliation(s)
- Antoine Bonnefont
- Fritz-Haber-Institut der MPG, Faradayweg 4-6, D-14195 Berlin, Germany
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12
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A topographic view of the Pt(111) surface at the electrochemical interface in the presence of carbon monoxide. Electrochem commun 2007. [DOI: 10.1016/j.elecom.2007.01.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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13
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Maillard F, Savinova ER, Stimming U. CO monolayer oxidation on Pt nanoparticles: Further insights into the particle size effects. J Electroanal Chem (Lausanne) 2007. [DOI: 10.1016/j.jelechem.2006.02.024] [Citation(s) in RCA: 202] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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14
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Cuesta A, Couto A, Rincón A, Pérez M, López-Cudero A, Gutiérrez C. Potential dependence of the saturation CO coverage of Pt electrodes: The origin of the pre-peak in CO-stripping voltammograms. Part 3: Pt(poly). J Electroanal Chem (Lausanne) 2006. [DOI: 10.1016/j.jelechem.2005.10.006] [Citation(s) in RCA: 140] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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15
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Rincón A, Pérez M, Cuesta A, Gutiérrez C. Dependence on the CO admission potential of the activation energy of the electrooxidation of adsorbed CO on Pt. Electrochem commun 2005. [DOI: 10.1016/j.elecom.2005.06.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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16
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López-Cudero A, Cuesta A, Gutiérrez C. Potential dependence of the saturation CO coverage of Pt electrodes: The origin of the pre-peak in CO-stripping voltammograms. Part 1: Pt(111). J Electroanal Chem (Lausanne) 2005. [DOI: 10.1016/j.jelechem.2005.01.018] [Citation(s) in RCA: 139] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Batista EA, Iwasita T, Vielstich W. Mechanism of Stationary Bulk CO Oxidation on Pt(111) Electrodes†. J Phys Chem B 2004. [DOI: 10.1021/jp038016+] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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Jusys Z, Kaiser J, Behm R. Simulated ‘air bleed’ oxidation of adsorbed CO on carbon supported Pt. J Electroanal Chem (Lausanne) 2003. [DOI: 10.1016/s0022-0728(03)00317-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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19
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Wang X, Hsing IM. Kinetics investigation of H2/CO electro-oxidation on carbon supported Pt and its alloys using impedance based models. J Electroanal Chem (Lausanne) 2003. [DOI: 10.1016/s0022-0728(03)00337-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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20
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López-Cudero A, Cuesta A, Gutiérrez C. The effect of chloride on the electrooxidation of adsorbed CO on polycrystalline platinum electrodes. J Electroanal Chem (Lausanne) 2003. [DOI: 10.1016/s0022-0728(03)00229-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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21
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22
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Electrochemical oxidation of carbon monoxide, methanol, formic acid, ethanol, and acetic acid on a platinum electrode under hot aqueous conditions. J Electroanal Chem (Lausanne) 2002. [DOI: 10.1016/s0022-0728(01)00752-5] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Jusys Z, Behm RJ. Methanol Oxidation on a Carbon-Supported Pt Fuel Cell CatalystA Kinetic and Mechanistic Study by Differential Electrochemical Mass Spectrometry. J Phys Chem B 2001. [DOI: 10.1021/jp011510y] [Citation(s) in RCA: 202] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Z. Jusys
- Department of Surface Chemistry and Catalysis, University of Ulm, D-89069 Ulm, Germany
| | - R. J. Behm
- Department of Surface Chemistry and Catalysis, University of Ulm, D-89069 Ulm, Germany
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24
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Effect of chloride ions on the electrooxidation at low potentials of dissolved carbon monoxide on platinum. J Electroanal Chem (Lausanne) 2001. [DOI: 10.1016/s0022-0728(01)00543-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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25
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Jambunathan K, Shah BC, Hudson JL, Hillier AC. Scanning electrochemical microscopy of hydrogen electro-oxidation. Rate constant measurements and carbon monoxide poisoning on platinum. J Electroanal Chem (Lausanne) 2001. [DOI: 10.1016/s0022-0728(00)00344-2] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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26
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27
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Marković NM, Lucas CA, Grgur BN, Ross PN. Surface Electrochemistry of CO and H2/CO Mixtures at Pt(100) Interface: Electrode Kinetics and Interfacial Structures. J Phys Chem B 1999. [DOI: 10.1021/jp991566g] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- N. M. Marković
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, and Oliver Lodge Laboratory, Department of Physics, University of Liverpool, Liverpool, L69 7ZE, UK
| | - C. A. Lucas
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, and Oliver Lodge Laboratory, Department of Physics, University of Liverpool, Liverpool, L69 7ZE, UK
| | - B. N. Grgur
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, and Oliver Lodge Laboratory, Department of Physics, University of Liverpool, Liverpool, L69 7ZE, UK
| | - P. N. Ross
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, and Oliver Lodge Laboratory, Department of Physics, University of Liverpool, Liverpool, L69 7ZE, UK
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28
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The prewave in CO oxidation over roughened and Sn alloyed Pt surfaces: possible structure and electronic causes. Electrochim Acta 1999. [DOI: 10.1016/s0013-4686(99)00175-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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Lee S, Mukerjee S, Ticianelli E, McBreen J. Electrocatalysis of CO tolerance in hydrogen oxidation reaction in PEM fuel cells. Electrochim Acta 1999. [DOI: 10.1016/s0013-4686(99)00052-3] [Citation(s) in RCA: 222] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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30
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Marković NM, Grgur BN, Lucas CA, Ross PN. Electrooxidation of CO and H2/CO Mixtures on Pt(111) in Acid Solutions. J Phys Chem B 1999. [DOI: 10.1021/jp983177c] [Citation(s) in RCA: 248] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- N. M. Marković
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, Oliver Lodge Laboratory, Department of Physics, University of Liverpool, Liverpool, L69 7ZE, U.K
| | - B. N. Grgur
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, Oliver Lodge Laboratory, Department of Physics, University of Liverpool, Liverpool, L69 7ZE, U.K
| | - C. A. Lucas
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, Oliver Lodge Laboratory, Department of Physics, University of Liverpool, Liverpool, L69 7ZE, U.K
| | - P. N. Ross
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, Oliver Lodge Laboratory, Department of Physics, University of Liverpool, Liverpool, L69 7ZE, U.K
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31
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Lin SD, Hsiao TC, Chang JR, Lin AS. Morphology of Carbon Supported Pt−Ru Electrocatalyst and the CO Tolerance of Anodes for PEM Fuel Cells. J Phys Chem B 1998. [DOI: 10.1021/jp982296p] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shawn D. Lin
- Department of Chemical Engineering, Yuan Ze University, Chung-Li, Taiwan, R.O.C
| | - Ting-Chou Hsiao
- Department of Chemical Engineering, Yuan Ze University, Chung-Li, Taiwan, R.O.C
| | - Jen-Ray Chang
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi, Taiwan, R.O.C
| | - Andrew S. Lin
- Energy and Resource Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan, R.O.C
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32
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Bergelin M, Wasberg M. The impinging jet flow method in interfacial electrochemistry: an application to bead-type electrodes. J Electroanal Chem (Lausanne) 1998. [DOI: 10.1016/s0022-0728(98)00046-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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33
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Grgur BN, Markovic NM, Ross PN. Electrooxidation of H2, CO, and H2/CO Mixtures on a Well-Characterized Pt70Mo30 Bulk Alloy Electrode. J Phys Chem B 1998. [DOI: 10.1021/jp972692s] [Citation(s) in RCA: 144] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- B. N. Grgur
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720
| | - N. M. Markovic
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720
| | - P. N. Ross
- Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720
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