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Pan HR, Tang T, Jiang Z, Ding L, Xu C, Hu JS. CO-Tolerant Hydrogen Oxidation Electrocatalysts for Low-Temperature Hydrogen Fuel Cells. J Phys Chem Lett 2024; 15:3011-3022. [PMID: 38465884 DOI: 10.1021/acs.jpclett.4c00027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
The severe performance degradation of low-temperature hydrogen fuel cells upon exposure to trace amounts of carbon monoxide (CO) impurities in reformate hydrogen fuels is one of the challenges that hinders their commercialization. Despite significant efforts that have been made, the CO-tolerance performance of electrocatalysts for the hydrogen oxidation reaction (HOR) is still unsatisfactory. This Perspective discusses the path forward for the rational design of CO-tolerant HOR electrocatalysts. The fundamentals of the CO-tolerant mechanisms on commercialized platinum group metal (PGM) electrocatalysts via either promoting CO electrooxidation or weakening CO adsorption are provided, and comprehensive discussions based on these strategies are presented with typical examples. Given the recent progress, some emerging strategies, including blocking CO diffusion with a barrier layer and developing non-PGM HOR catalysts, are also discussed. We conclude with a discussion of the strengths and limitations of these strategies along with the perspectives of the major challenges and opportunities for future research on CO-tolerant HOR electrocatalysts.
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Affiliation(s)
- Hai-Rui Pan
- State Key Laboratory of Applied Organic Chemistry, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
- Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China
| | - Tang Tang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhe Jiang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liang Ding
- Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Cailing Xu
- State Key Laboratory of Applied Organic Chemistry, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Jin-Song Hu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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2
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Zhang D, Liu W, Ye K, Li X. High CO and sulfur tolerant proton exchange membrane fuel cell anodes enabled by "work along both lines" mechanism of 2,6-dihydroxymethyl pyridine molecule blocking layer. J Colloid Interface Sci 2024; 653:413-422. [PMID: 37722170 DOI: 10.1016/j.jcis.2023.09.076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/29/2023] [Accepted: 09/11/2023] [Indexed: 09/20/2023]
Abstract
Proton exchange membrane fuel cells (PEMFCs) are hindered by their poor tolerance to CO and H2S poisoning. Herein, we report an effective method, via engineering 2,6-dihydroxymethyl pyridine (DhmPy) molecule blocking layers on Pt surface, aiming to save the poisoning issue for PEMFC anode reaction. The PEMFCs assembled by this catalyst produce a power density of 1.18 W cm-2 @ 2.0 A cm-2 and 1.32 W cm-2 @ 2.0 A cm-2, far exceeding commercial Pt/C after H2/10 ppm CO poisoning and H2/5 ppm H2S poisoning tests, respectively. Density functional theory (DFT) indicates that a coronal molecule layer with a steric confinement height (1.82 Å), constructed by DhmPy, emerges more intensive adsorption energy compared to 2,6-pyridinedicarboxamide (DcaPy) and 2,6-diacetylpyridine (DAcPy), thereby more effectively inhibits the adsorption of large-sized CO and H2S on Pt surface without affecting H2 traverse. This "work along both lines" mechanism with the resistance of both CO and H2S provides a new and promising design thought for high CO and sulfur tolerant PEMFC anodes.
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Affiliation(s)
- Dongqing Zhang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, Shandong, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenqi Liu
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, Shandong, China
| | - Ke Ye
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, Shandong, China
| | - Xiaojin Li
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, Shandong, China; University of Chinese Academy of Sciences, Beijing 100049, China; Shandong Energy Institute, Qingdao 266101, Shandong, China.
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3
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Molina L, Arranz-Simón C, Alonso J. Mechanistic insight into the CO oxidation reaction at pure, Nb-doped and Mo-doped medium size Pt clusters. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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4
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Enhanced durability of PdPt/C electrocatalyst during the ethanol oxidation reaction in alkaline media. J Solid State Electrochem 2022. [DOI: 10.1007/s10008-022-05226-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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5
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Wang T, Li LY, Chen LN, Sheng T, Chen L, Wang YC, Zhang P, Hong YH, Ye J, Lin WF, Zhang Q, Zhang P, Fu G, Tian N, Sun SG, Zhou ZY. High CO-Tolerant Ru-Based Catalysts by Constructing an Oxide Blocking Layer. J Am Chem Soc 2022; 144:9292-9301. [PMID: 35593455 DOI: 10.1021/jacs.2c00602] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
CO poisoning of Pt-group metal catalysts is a long-standing problem, particularly for hydrogen oxidation reaction in proton exchange membrane fuel cells. Here, we report a catalyst of Ru oxide-coated Ru supported on TiO2 (Ru@RuO2/TiO2), which can tolerate 1-3% CO, enhanced by about 2 orders of magnitude over the classic PtRu/C catalyst, for hydrogen electrooxidation in a rotating disk electrode test. This catalyst can work stably in 1% CO/H2 for 50 h. About 20% of active sites can survive even in a pure CO environment. The high CO tolerance is not via a traditional bifunctional mechanism, i.e., oxide promoting CO oxidation, but rather via hydrous metal oxide shell blocking CO adsorption. An ab initio molecular dynamics (AIMD) simulation indicates that water confined in grain boundaries of the Ru oxide layer and Ru surface can suppress the diffusion and adsorption of CO. This oxide blocking layer approach opens a promising avenue for the design of high CO-tolerant electrocatalysts for fuel cells.
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Affiliation(s)
- Tao Wang
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Lai-Yang Li
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Li-Na Chen
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Tian Sheng
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, PR China
| | - Luning Chen
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Yu-Cheng Wang
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Pengyang Zhang
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Yu-Hao Hong
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Jinyu Ye
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Wen-Feng Lin
- Department of Chemical Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU, U.K
| | - Qinghua Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Peng Zhang
- Department of Chemistry, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
| | - Gang Fu
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Na Tian
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Shi-Gang Sun
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Zhi-You Zhou
- Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, Tan Kah Kee Innovation Laboratory, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
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6
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Ugartemendia A, Mercero JM, de Cózar A, Jimenez-Izal E. Does the Composition in PtGe Clusters Play any Role in Fighting CO Poisoning?. J Chem Phys 2022; 156:174301. [DOI: 10.1063/5.0089179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The high catalytic activity of Pt is accompanied by a high affinity for CO, making it extremely susceptible to poisoning. Such CO poisoning limits the use of proton exchange membrane fuel cells. In this work, using state-of-the-art global minima search techniques and exhaustive electronic structure characterization, the dopant concentration is pinpointed as a crucial factor to improve the CO tolerance of Pt catalysts. By investigating PtGe nanoclusters of different size and composition we found that, for those clusters with roughly the same amount of Pt and Ge, the binding to CO is weakened significantly. The uniqueness of the PtGe equimolar clusters is traced down to the electronic effects. The strong covalency and electrostatic stabilization arising from the advantageous Pt-Ge mixing, make the equimolar clusters highly resistant towards CO poisoning and therefore, more durable. Importantly, the novel catalysts are not only more resistant to deactivation, but they remain catalytically active towards hydrogen oxidation. Representative clusters are additionally deposited on graphene with a pentagon-octagon-pentagon (5-8-5) reconstructed divacancy. The remarkable results of free-standing clusters hold true for surface mounted clusters, in which the interaction with CO is dramatically weakened for those compounds with 1:1 Pt:Ge ratio. Our results demonstrate that Ge can be a promising alloying agent to mitigate the deactivation of Pt and that the dopant concentration is a critical factor in the design of advanced catalysts.
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Affiliation(s)
- Andoni Ugartemendia
- Polimero eta Material Aurreratuak: Fisika, Kimika eta Teknologia Saila, University of the Basque Country - Gipuzkoa Campus, Spain
| | - Jose M Mercero
- Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU), Spain
| | - Abel de Cózar
- Organic Chemistry I, University of the Basque Country - Gipuzkoa Campus, Spain
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7
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8
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Zhang L, Yan L, Lu J, Zhang Y, Yin Y. First-principles calculations of CO and CH3OH adsorption on Pt monolayer modified WC (0 0 0 1) surface. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2021.113510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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9
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Carbon Monoxide Tolerant Pt-Based Electrocatalysts for H2-PEMFC Applications: Current Progress and Challenges. Catalysts 2021. [DOI: 10.3390/catal11091127] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The activity degradation of hydrogen-fed proton exchange membrane fuel cells (H2-PEMFCs) in the presence of even trace amounts of carbon monoxide (CO) in the H2 fuel is among the major drawbacks currently hindering their commercialization. Although significant progress has been made, the development of a practical anode electrocatalyst with both high CO tolerance and stability has still not occurred. Currently, efforts are being devoted to Pt-based electrocatalysts, including (i) alloys developed via novel synthesis methods, (ii) Pt combinations with metal oxides, (iii) core–shell structures, and (iv) surface-modified Pt/C catalysts. Additionally, the prospect of substituting the conventional carbon black support with advanced carbonaceous materials or metal oxides and carbides has been widely explored. In the present review, we provide a brief introduction to the fundamental aspects of CO tolerance, followed by a comprehensive presentation and thorough discussion of the recent strategies applied to enhance the CO tolerance and stability of anode electrocatalysts. The aim is to determine the progress made so far, highlight the most promising state-of-the-art CO-tolerant electrocatalysts, and identify the contributions of the novel strategies and the future challenges.
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10
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Hermann JM, Müller H, Daccache L, Adler C, Keller S, Metzler M, Jacob T, Kibler LA. Formic acid oxidation reaction on Au(111) electrodes modified with 4-mercaptopyridine SAM. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138547] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Ugartemendia A, Peeters K, Ferrari P, de Cózar A, Mercero JM, Janssens E, Jimenez-Izal E. Doping Platinum with Germanium: An Effective Way to Mitigate the CO Poisoning. Chemphyschem 2021; 22:1603-1610. [PMID: 34058042 DOI: 10.1002/cphc.202100407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Indexed: 11/12/2022]
Abstract
The vulnerability towards CO poisoning is a major drawback affecting the efficiency and long-term performance of platinum catalysts in fuel cells. In the present work, by a combination of density functional theory calculations and mass spectrometry experiments, we test and explain the promotional effect of Ge on Pt catalysts with higher resistance to deactivation via CO poisoning. A thorough exploration of the configurational space of gas-phase Ptn + and GePtn-1 + (n=5-9) clusters using global minima search techniques and the subsequent electronic structure analysis reveals that germanium doping reduces the binding strength between Pt and CO by hindering the 2π-back-donation. Importantly, the clusters remain catalytically active towards H2 dissociation. The ability of Ge to weaken the Pt-CO interaction was confirmed by mass spectrometry experiments. Ge can be a promising alloying agent to tune the selectivity and improve the durability of Pt particles, thus opening the way to novel catalytic alternatives for fuel cells.
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Affiliation(s)
- Andoni Ugartemendia
- Polimero eta Material Aurreratuak: Fisika, Kimika eta Teknologia Saila, Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU) and Donostia International Physics Center (DIPC), M. de Lardizabal Pasealekua 3, Donostia, Euskadi, Spain
| | - Kristien Peeters
- Quantum Solid-State Physics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - Piero Ferrari
- Quantum Solid-State Physics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - Abel de Cózar
- Polimero eta Material Aurreratuak: Fisika, Kimika eta Teknologia Saila, Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU) and Donostia International Physics Center (DIPC), M. de Lardizabal Pasealekua 3, Donostia, Euskadi, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Euskadi, Spain
| | - Jose M Mercero
- Polimero eta Material Aurreratuak: Fisika, Kimika eta Teknologia Saila, Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU) and Donostia International Physics Center (DIPC), M. de Lardizabal Pasealekua 3, Donostia, Euskadi, Spain
| | - Ewald Janssens
- Quantum Solid-State Physics, KU Leuven, Celestijnenlaan 200D, 3001, Leuven, Belgium
| | - Elisa Jimenez-Izal
- Polimero eta Material Aurreratuak: Fisika, Kimika eta Teknologia Saila, Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU) and Donostia International Physics Center (DIPC), M. de Lardizabal Pasealekua 3, Donostia, Euskadi, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Euskadi, Spain
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12
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Filippov SP, Yaroslavtsev AB. Hydrogen energy: development prospects and materials. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr5014] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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13
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Leteba G, Wang YC, Slater TJA, Cai R, Byrne C, Race CP, Mitchell DRG, Levecque PBJ, Young NP, Holmes SM, Walton A, Kirkland AI, Haigh SJ, Lang CI. Oleylamine Aging of PtNi Nanoparticles Giving Enhanced Functionality for the Oxygen Reduction Reaction. NANO LETTERS 2021; 21:3989-3996. [PMID: 33899489 PMCID: PMC8289299 DOI: 10.1021/acs.nanolett.1c00706] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
We report a rapid solution-phase strategy to synthesize alloyed PtNi nanoparticles which demonstrate outstanding functionality for the oxygen reduction reaction (ORR). This one-pot coreduction colloidal synthesis results in a monodisperse population of single-crystal nanoparticles of rhombic dodecahedral morphology with Pt-enriched edges and compositions close to Pt1Ni2. We use nanoscale 3D compositional analysis to reveal for the first time that oleylamine (OAm)-aging of the rhombic dodecahedral Pt1Ni2 particles results in Ni leaching from surface facets, producing aged particles with concave faceting, an exceptionally high surface area, and a composition of Pt2Ni1. We show that the modified atomic nanostructures catalytically outperform the original PtNi rhombic dodecahedral particles by more than two-fold and also yield improved cycling durability. Their functionality for the ORR far exceeds commercially available Pt/C nanoparticle electrocatalysts, both in terms of mass-specific activities (up to a 25-fold increase) and intrinsic area-specific activities (up to a 27-fold increase).
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Affiliation(s)
- Gerard
M. Leteba
- Catalysis
Institute, Department of Chemical Engineering, University of Cape Town, Corner of Madiba Circle and South Lane, Rondebosch 7701, South Africa
- School of
Engineering, Macquarie University, Sydney, New South Wales 2109 Australia
| | - Yi-Chi Wang
- Department
of Materials, University of Manchester, Manchester M13 9PL, United Kingdom
- Beijing
Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 101400, China
- School
of Nanoscience and Technology, University
of Chinese Academy of Sciences, Beijing, 100049, China
| | - Thomas J. A. Slater
- Department
of Materials, University of Manchester, Manchester M13 9PL, United Kingdom
- Electron
Physical Sciences Imaging Centre, Diamond
Light Source Ltd., Oxfordshire OX11 0DE, United Kingdom
| | - Rongsheng Cai
- Department
of Materials, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Conor Byrne
- Department
of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
- Photon
Science Institute, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Christopher P. Race
- Department
of Materials, University of Manchester, Manchester M13 9PL, United Kingdom
| | - David R. G. Mitchell
- Electron
Microscopy Centre, Innovation Campus, University
of Wollongong, Wollongong, New South Wales 2517, Australia
| | - Pieter B. J. Levecque
- Catalysis
Institute, Department of Chemical Engineering, University of Cape Town, Corner of Madiba Circle and South Lane, Rondebosch 7701, South Africa
| | - Neil P. Young
- Department
of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, United
Kingdom
| | - Stuart M. Holmes
- Department
of Chemical Engineering and Analytical Science, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Alex Walton
- Department
of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
- Photon
Science Institute, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Angus I. Kirkland
- Electron
Physical Sciences Imaging Centre, Diamond
Light Source Ltd., Oxfordshire OX11 0DE, United Kingdom
- Department
of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, United
Kingdom
| | - Sarah J. Haigh
- Department
of Materials, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Candace I. Lang
- School of
Engineering, Macquarie University, Sydney, New South Wales 2109 Australia
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14
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Progress in fabrication of one-dimensional catalytic materials by electrospinning technology. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2020.09.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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15
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Development of a Heuristic Control Algorithm for Detection and Regeneration of CO Poisoned LT-PEMFC Stacks in Stationary Applications. ENERGIES 2020. [DOI: 10.3390/en13184648] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Combined heat and power (CHP) systems based on low-temperature proton exchange membrane fuel cells (LT-PEMFC) technology are suspected to CO poisoning on the anode side. The fuel cell CO sensitivity increases with ongoing operation time leading to high performance losses. In this paper we present the development of detection and regeneration algorithm based on air bleed to minimize voltage losses due to CO poisoning. Therefore, CO sensitivity tests with two short stacks with different operation time will be analyzed and the test results of aged membrane electrode assemblies (MEAs) will be presented for the first time. Additionally, the first results of the algorithm in operation will be shown.
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16
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CO Tolerance and Stability of Graphene and N-Doped Graphene Supported Pt Anode Electrocatalysts for Polymer Electrolyte Membrane Fuel Cells. Catalysts 2020. [DOI: 10.3390/catal10060597] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Pt electrocatalysts supported on pristine graphene nanosheets (GNS) and nitrogen-doped graphene nanoplatelets (N-GNP) were prepared through the ethylene glycol process, and a comparison of their CO tolerance and stability as anode materials in polymer electrolyte membrane fuel cells (PEMFCs) with those of the conventional carbon (C)-supported Pt was made. Repetitive potential cycling in a half cell showed that Pt/GNS catalysts have the highest stability, in terms of the highest sintering resistance (lowest particle growth) and the lowest electrochemically active surface area loss. By tests in PEMFCs, the Pt/N-GNP catalyst showed the highest CO tolerance, while the poisoning resistance of Pt/GNS was lower than that of Pt/C. The higher CO tolerance of Pt/N-GNP than that of Pt/GNS was ascribed to the presence of a defect in graphene, generated by N-doping, decreasing CO adsorption energy.
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17
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Understanding the interplay of bifunctional and electronic effects: Microkinetic modeling of the CO electro-oxidation reaction. J Catal 2020. [DOI: 10.1016/j.jcat.2020.02.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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18
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Mono-disperse PdO nanoparticles prepared via microwave-assisted thermo-hydrolyzation with unexpectedly high activity for formic acid oxidation. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135166] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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19
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Ferrari P, Libeert G, Tam NM, Janssens E. Interaction of carbon monoxide with doped metal clusters. CrystEngComm 2020. [DOI: 10.1039/d0ce00733a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Highlight of experimental and computational studies about the interaction of CO with transition and coinage metal clusters, particularly discussing the influence of dopant atoms.
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Affiliation(s)
- Piero Ferrari
- Quantum Solid-State Physics
- Department of Physics and Astronomy
- KU Leuven
- 3001 Leuven
- Belgium
| | - Guillaume Libeert
- Quantum Solid-State Physics
- Department of Physics and Astronomy
- KU Leuven
- 3001 Leuven
- Belgium
| | - Nguyen Minh Tam
- Computational Chemistry Research Group & Faculty of Applied Sciences
- Ton Duc Thang University
- Ho Chi Minh City
- Vietnam
| | - Ewald Janssens
- Quantum Solid-State Physics
- Department of Physics and Astronomy
- KU Leuven
- 3001 Leuven
- Belgium
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20
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Mehrabadi BAT, White R, Shakouri A, Regalbuto JR, Weidner JW, Monnier JR. Ruthenium–platinum bimetallic catalysts with controlled surface compositions and enhanced performance for methanol oxidation. Catal Today 2019. [DOI: 10.1016/j.cattod.2018.11.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Antimony-Doped Tin Oxide Nanofibers as Catalyst Support Structures for the Methanol Oxidation Reaction in Direct Methanol Fuel Cells. Electrocatalysis (N Y) 2019. [DOI: 10.1007/s12678-019-00524-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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22
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Dey Baruah S, Sarma PJ, Gour NK, Deka RC. Effect of single metal dopant (Rh, Ru and Sn) on Pt+ (n = 3 and 4) clusters for controlled CO tolerance. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.01.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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23
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Ferrari P, Vanbuel J, Janssens E, Lievens P. Tuning the Reactivity of Small Metal Clusters by Heteroatom Doping. Acc Chem Res 2018; 51:3174-3182. [PMID: 30475581 DOI: 10.1021/acs.accounts.8b00437] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The reactivity of small metallic clusters, nanoparticles composed of a countable number of atoms (typically up to ∼100 atoms), has attracted much attention due to the fascinating properties these objects possess toward a variety of molecules. Cluster reactivity often is significantly different from the homologous bulk, with gold as prototypical example. Bulk gold is the noblest of all metals, whereas small gold clusters react with carbon monoxide, molecular oxygen, and hydrocarbons, among others. Furthermore, cluster reactivity is strongly size and composition dependent, allowing a wide range of tuning possibilities. The study of cluster reactivity usually follows two routes of investigation. In the first, research aims for fundamental understanding of mechanisms, mainly driven by curiosity. One consequence of the inherent small size of a cluster is that atoms can arrange themselves very differently from the crystallographic structure of the homologous bulk. In addition, quantum confinement effects dominate the electronic structure of a cluster with atom-like electronic shells instead of the electronic bands in bulk. These features result in a very rich and size-dependent interaction of a cluster with small molecules, governed by a fine interplay between the geometry and the electronic structure of the system. An alternative research approach uses the investigation of chemical reactions of isolated small clusters in the gas phase as model systems for the reactions taking place in more complex systems. This offers several advantages compared to more conventional methods and techniques used to study such complex systems. First, clusters can be produced under well-defined conditions, with control over size, composition, and charge state. Second, clusters in the gas phase solely interact with the molecule(s) chosen by the researcher, since contaminations are limited by the high vacuum conditions of the experiments. Third, due to the small number of atoms involved, detailed quantum chemical calculations can be performed on the systems under investigation. Thus, even though gas phase clusters differ significantly in size and in environmental conditions from those encountered, for example, in industrial catalysis, they can be used to unravel the complicated nature of a metal-molecule chemical bonding process. In this Account, both routes of investigation are discussed. The nature of the interaction between small gas phase clusters with diverse molecules is described, stressing the broader relevance of these studies. Particular emphasis is given to the effect of heteroatom doping. By adding a different element to a cluster, its geometric and electronic structure is modified, thereby altering its reactivity. Specifically, the effect of varying size and composition of doped gold, platinum, and aluminum clusters on their reactivity toward diverse molecules, relevant for catalytic applications, is discussed. Most studies presented here combine experiments based on mass spectrometric techniques with density functional theory calculations, allowing a deep understanding of the reaction mechanisms at a molecular level.
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Affiliation(s)
- Piero Ferrari
- Laboratory of Solid State Physics and Magnetism, Department of Physics and Astronomy, KU Leuven, Celestijnenlaan 200d, Box 2414, 3001 Leuven, Belgium
| | - Jan Vanbuel
- Laboratory of Solid State Physics and Magnetism, Department of Physics and Astronomy, KU Leuven, Celestijnenlaan 200d, Box 2414, 3001 Leuven, Belgium
| | - Ewald Janssens
- Laboratory of Solid State Physics and Magnetism, Department of Physics and Astronomy, KU Leuven, Celestijnenlaan 200d, Box 2414, 3001 Leuven, Belgium
| | - Peter Lievens
- Laboratory of Solid State Physics and Magnetism, Department of Physics and Astronomy, KU Leuven, Celestijnenlaan 200d, Box 2414, 3001 Leuven, Belgium
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24
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Veizaga NS, Rodriguez VI, Bruno M, de Miguel SR. The Role of Surface Functionalities in PtGe and PtIn Catalysts for Direct Methanol Fuel Cells. Electrocatalysis (N Y) 2018. [DOI: 10.1007/s12678-018-0502-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Yamazaki SI. Metalloporphyrins and related metallomacrocycles as electrocatalysts for use in polymer electrolyte fuel cells and water electrolyzers. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.09.016] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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26
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Chen W, Gao W, Tu P, Robert T, Ma Y, Shan H, Gu X, Shang W, Tao P, Song C, Deng T, Zhu H, Pan X, Yang H, Wu J. Neighboring Pt Atom Sites in an Ultrathin FePt Nanosheet for the Efficient and Highly CO-Tolerant Oxygen Reduction Reaction. NANO LETTERS 2018; 18:5905-5912. [PMID: 30064214 DOI: 10.1021/acs.nanolett.8b02606] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Single atom catalyst and ultrathin two-dimensional (2D) nanostructures exhibit improved properties because of the improved exposure of more active atomic sites and optimized electronic structures. However, the oxygen reduction reaction (ORR) in fuel cells via a fast four-electron path usually uses at least two Pt atoms, which cannot be realized in highly isolated single Pt atoms. The synthesis of a densely dispersed single atom catalyst with adjacent atoms accessible at the same time on a matrix with a high surface area provides a feasible way and, however, is challenging. Here, we synthesize ultrathin FePt nanosheets (NSs) with 6.7 wt % neighboring dispersed Pt atoms. Different from the reported isolated Pt single atom catalysts, these ultrathin wrinkled FePt NSs with neighboring Pt sites adopt a four-electron reduction pathway, a high electrochemical active surface area (ECSA) of 545.54 m2 gPt-1, and an improved mass activity 7 times as high as Pt/C in the ORR. The improved performance results from the optimal use of neighboring Pt atoms dispersed in a more packed spacing and exposed on the surface of ultrathin sheets. The Pt atoms can interact synergistically to catalyze a fast ORR process. Furthermore, both the experiment and density functional theory (DFT) calculation indicated an outstanding CO-tolerance performance of this catalyst in the ORR.
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Affiliation(s)
- Wenlong Chen
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
- Hydrogen Science Research Center , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Wenpei Gao
- Department of Chemical Engineering and Materials Science , University of California, Irvine , Irvine , California 92697 , United States
| | - Peng Tu
- University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University , 800 Dongchuan Road , Shanghai 200240 , People's Republic of China
| | - Tom Robert
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
| | - Yanling Ma
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
- Hydrogen Science Research Center , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Hao Shan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
- Hydrogen Science Research Center , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Xin Gu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
| | - Wen Shang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
| | - Peng Tao
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
| | - Chengyi Song
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
| | - Tao Deng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
- Hydrogen Science Research Center , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Hong Zhu
- University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University , 800 Dongchuan Road , Shanghai 200240 , People's Republic of China
| | - Xiaoqing Pan
- Department of Chemical Engineering and Materials Science , University of California, Irvine , Irvine , California 92697 , United States
- Department of Physics and Astronomy , University of California, Irvine , Irvine , California 92697 , United States
| | - Hong Yang
- Department of Chemical & Biomolecular Engineering , University of Illinois at Urbana-Champaign, 206 Roger Adams Laboratory, MC-712, 600 South Mathews Avenue , Urbana , Illinois 61801 , United States
| | - Jianbo Wu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai , 200240 , People's Republic of China
- Hydrogen Science Research Center , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
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27
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Nutariya J, Kuroiwa E, Takimoto D, Shen Z, Mochizuki D, Sugimoto W. Model electrode study of Ru@Pt core-shell nanosheet catalysts: Pure two-dimensional growth via surface limited redox replacement. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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28
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A Facile and Environmentally Friendly One-Pot Synthesis of Pt Surface-Enriched Pt-Pd(x)/C Catalyst for Oxygen Reduction. Electrocatalysis (N Y) 2018. [DOI: 10.1007/s12678-018-0466-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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29
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Choi M, Kim JK, Kim J, Yang S, Park JE, Kim OH, Cho YH. PtRu/C catalyst slurry preparation for large-scale decal transfer with high performance of proton exchange membrane fuel cells. RSC Adv 2018; 8:36313-36322. [PMID: 35558447 PMCID: PMC9088671 DOI: 10.1039/c8ra07754a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 10/21/2018] [Indexed: 11/21/2022] Open
Abstract
The large-area membrane-electrode assembly (MEA) has been fabricated using the decal transfer method with a methanol (MeOH)-based PtRu/C catalyst slurry. The stability of slurry dispersion is important when using a large-area decal transfer method to ensure the integrity of the electrode. In order to prepare stable and well dispersed catalyst slurry, a suitable solvent for the PtRu/C catalyst should be selected. We considered the physical properties of various organic solvents, including ionomer solubility, dielectric constant, and catalyst particle surface physical properties. We found that the MeOH-based PtRu/C slurry dispersion showed the best stability and dispersibility of catalyst–ionomer agglomerates. It was also confirmed that the MeOH-based slurry has the most suitable characteristics for coating the slurry on the substrate film. The decal technique-based MEA using this slurry showed excellent performance when compared with the spray method-based MEA. Furthermore, the large-area PtRu/C MEA with an active area of 51.84 cm2 was fabricated and excellent performance was realized even when a reforming gas was used. A large-area membrane-electrode assembly (MEA) has been fabricated using the decal transfer method with a methanol-based PtRu/C catalyst slurry and its excellent performance was realized by using reformed hydrogen gas.![]()
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Affiliation(s)
- Mihwa Choi
- Creative Future Laboratory
- Korea Electric Power Corporation (KEPCO) Research Institute
- Daejeon 34056
- South Korea
- Department of Chemistry
| | - Jong Kwan Kim
- Department of Chemical Engineering
- Kangwon National University
- Samcheok 25913
- South Korea
| | - Jungsuk Kim
- Creative Future Laboratory
- Korea Electric Power Corporation (KEPCO) Research Institute
- Daejeon 34056
- South Korea
- Department of Chemistry
| | - Seugran Yang
- Creative Future Laboratory
- Korea Electric Power Corporation (KEPCO) Research Institute
- Daejeon 34056
- South Korea
| | - Ji-Eun Park
- Center for Nanoparticle Research
- Institute for Basic Science (IBS)
- Seoul 08826
- South Korea
- School of Chemical and Biological Engineering
| | - Ok-Hee Kim
- Department of Science
- Republic of Korea Naval Academy
- Changwon 51704
- South Korea
| | - Yong-Hun Cho
- Department of Chemical Engineering
- Kangwon National University
- Samcheok 25913
- South Korea
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30
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Nogueira JA, Varela H. Voltage Oscillations in a Polymer Electrolyte Membrane Fuel Cell with Pd-Pt/C and Pd/C Anodes. ChemistryOpen 2017; 6:629-636. [PMID: 29046857 PMCID: PMC5641910 DOI: 10.1002/open.201700098] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Indexed: 11/10/2022] Open
Abstract
Polymer electrolyte membrane fuel cells (PEMFC) fed with H2 contaminated with CO may exhibit oscillatory behavior when operated galvanostatically. The self-organization of the anodic overpotential is interesting because it can be accompanied by an increase in the average performance. Herein we report experimental studies of voltage oscillations that emerge in a PEMFC equipped with a Pd/C or PdPt/C anode and fed with H2 contaminated with CO (100 ppm). We used on-line mass spectrometry to investigate how the mass fragments associated with CO2 and CO (m/z 44 and 28, respectively) varied with the voltage oscillations. Overall, we observed that oscillations in the anodic overpotential are in phase with that of the CO and CO2 signals. This fact is consistent with an autonomous adsorption-oxidation cyclic process. For both anodes, it has been observed that, in general, an increase in current density implies an increase in oscillatory frequency. By using CO stripping, we also discuss how the onset of CO oxidation is related to the maximum overpotential reached during a cycle, whereas the minimum overpotential can be associated with the catalytic activity of the electrode for H2 oxidation.
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Affiliation(s)
- Jéssica Alves Nogueira
- Institute of Chemistry of São Carlos University of São Paulo, PO Box 780 13560-970 São Carlos, SP Brazil
| | - Hamilton Varela
- Institute of Chemistry of São Carlos University of São Paulo, PO Box 780 13560-970 São Carlos, SP Brazil
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31
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McPherson IJ, Ash PA, Jones L, Varambhia A, Jacobs RMJ, Vincent KA. Electrochemical CO Oxidation at Platinum on Carbon Studied through Analysis of Anomalous in Situ IR Spectra. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2017; 121:17176-17187. [PMID: 28845207 PMCID: PMC5563840 DOI: 10.1021/acs.jpcc.7b02166] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 07/21/2017] [Indexed: 05/29/2023]
Abstract
The oxidation of adsorbed CO is a key reaction in electrocatalysis. It has been studied extensively on both extended model surfaces and on nanoparticles; however, correlation between the two is far from simple. Molecular insight into the reaction is often provided using in situ IR spectroscopy; however, practical challenges mean in situ studies on nanoparticles have yet to provide the same level of detail as those on model surfaces. Here we use a new approach to in situ IR spectroscopy to study the mechanism of CO adlayer oxidation on a commercial carbon-supported Pt catalyst. We observe bipolar IR absorption bands but develop a simple model to enable fitting. Quantitative analysis of band behavior during the oxidation prepeak using the model agrees well with previous analysis based on conventional absorption bands. A second linear CO band is observed during the main oxidation region and is assigned to the distinct contribution of CO on step as opposed to terrace sites. Analysis of the step and terrace CO bands during oxidation shows that oxidation begins on the terraces of the nanoparticles before CO on steps is removed. Further correlation of this behavior with the current shows that step CO is only lost in the first of the two main oxidation peaks.
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Affiliation(s)
- Ian J. McPherson
- Department
of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, U.K.
| | - Philip A. Ash
- Department
of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, U.K.
| | - Lewys Jones
- Department
of Materials, University of Oxford, 16 Parks Road, Oxford OX1 3PH, U.K.
| | - Aakash Varambhia
- Department
of Materials, University of Oxford, 16 Parks Road, Oxford OX1 3PH, U.K.
| | - Robert M. J. Jacobs
- Department
of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K.
| | - Kylie A. Vincent
- Department
of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, U.K.
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32
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Nonlinear algorithm of PEM fuel cell catalyst poisoning progress in the presence of carbon monoxide in anode fuel: A computational study using OpenFOAM. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.06.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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33
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In situ electrochemical surface-enhanced Raman spectroscopy study of CO electrooxidation on PtFe nanocatalysts. Electrochem commun 2017. [DOI: 10.1016/j.elecom.2017.05.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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34
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Effects of Charge Transfer on the Adsorption of CO on Small Molybdenum-Doped Platinum Clusters. Chemistry 2017; 23:4120-4127. [DOI: 10.1002/chem.201604894] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Indexed: 11/07/2022]
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35
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Takimoto D, Ohnishi T, Nutariya J, Shen Z, Ayato Y, Mochizuki D, Demortière A, Boulineau A, Sugimoto W. Ru-core@Pt-shell nanosheet for fuel cell electrocatalysts with high activity and durability. J Catal 2017. [DOI: 10.1016/j.jcat.2016.11.026] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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37
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Highly stable and efficient platinum nanoparticles supported on TiO 2 @Ru-C: investigations on the promoting effects of the interpenetrated TiO 2. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.09.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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38
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Ferrari P, Molina LM, Kaydashev VE, Alonso JA, Lievens P, Janssens E. Controlling the Adsorption of Carbon Monoxide on Platinum Clusters by Dopant-Induced Electronic Structure Modification. Angew Chem Int Ed Engl 2016; 55:11059-63. [PMID: 27464653 DOI: 10.1002/anie.201604269] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 06/13/2016] [Indexed: 11/11/2022]
Abstract
A major drawback of state-of-the-art proton exchange membrane fuel cells is the CO poisoning of platinum catalysts. It is known that CO poisoning is reduced if platinum alloys are used, but the underlying mechanism therefore is still under debate. We study the influence of dopant atoms on the CO adsorption on small platinum clusters using mass spectrometry experiments and density functional calculations. A significant reduction in the reactivity for Nb- and Mo-doped clusters is attributed to electron transfer from those highly coordinated dopants to the Pt atoms and the concomitant lower CO binding energies. On the other hand Sn and Ag dopants have a lower Pt coordination and have a limited effect on the CO adsorption. Analysis of the density of states demonstrates a correlation of dopant-induced changes in the electronic structure with the enhanced tolerance to CO poisoning.
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Affiliation(s)
- Piero Ferrari
- Laboratory of Solid State Physics and Magnetism, KU Leuven, Celestijnenlaan 200d, Box 2414, 3001, Leuven, Belgium
| | - Luis M Molina
- Department of Theoretical, Atomic and Optical Physics, Universidad de Valladolid, Paseo Belén 7, 47011, Valladolid, Spain.
| | - Vladimir E Kaydashev
- Laboratory of Solid State Physics and Magnetism, KU Leuven, Celestijnenlaan 200d, Box 2414, 3001, Leuven, Belgium.,Laboratory of Nanomaterials, Southern Federal University, 344090, Rostov-on-Don, Russia
| | - Julio A Alonso
- Department of Theoretical, Atomic and Optical Physics, Universidad de Valladolid, Paseo Belén 7, 47011, Valladolid, Spain
| | - Peter Lievens
- Laboratory of Solid State Physics and Magnetism, KU Leuven, Celestijnenlaan 200d, Box 2414, 3001, Leuven, Belgium
| | - Ewald Janssens
- Laboratory of Solid State Physics and Magnetism, KU Leuven, Celestijnenlaan 200d, Box 2414, 3001, Leuven, Belgium.
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39
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Ferrari P, Molina LM, Kaydashev VE, Alonso JA, Lievens P, Janssens E. Controlling the Adsorption of Carbon Monoxide on Platinum Clusters by Dopant-Induced Electronic Structure Modification. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604269] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Piero Ferrari
- Laboratory of Solid State Physics and Magnetism; KU Leuven; Celestijnenlaan 200d, Box 2414 3001 Leuven Belgium
| | - Luis M. Molina
- Department of Theoretical, Atomic and Optical Physics; Universidad de Valladolid; Paseo Belén 7 47011 Valladolid Spain
| | - Vladimir E. Kaydashev
- Laboratory of Solid State Physics and Magnetism; KU Leuven; Celestijnenlaan 200d, Box 2414 3001 Leuven Belgium
- Laboratory of Nanomaterials; Southern Federal University; 344090 Rostov-on-Don Russia
| | - Julio A. Alonso
- Department of Theoretical, Atomic and Optical Physics; Universidad de Valladolid; Paseo Belén 7 47011 Valladolid Spain
| | - Peter Lievens
- Laboratory of Solid State Physics and Magnetism; KU Leuven; Celestijnenlaan 200d, Box 2414 3001 Leuven Belgium
| | - Ewald Janssens
- Laboratory of Solid State Physics and Magnetism; KU Leuven; Celestijnenlaan 200d, Box 2414 3001 Leuven Belgium
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40
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Li T, Huang Y, Ding K, Wu P, Abbas SC, Ghausi MA, Zhang T, Wang Y. Newly designed PdRuBi/N-Graphene catalysts with synergistic effects for enhanced ethylene glycol electro-oxidation. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2015.12.225] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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41
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Ehteshami SMM, Taheri A, Chan S. A review on ions induced contamination of polymer electrolyte membrane fuel cells, poisoning mechanisms and mitigation approaches. J IND ENG CHEM 2016. [DOI: 10.1016/j.jiec.2015.10.034] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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42
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Oxidation of Small Supported Platinum-based Nanoparticles Under Near-Ambient Pressure Exposure to Oxygen. Top Catal 2016. [DOI: 10.1007/s11244-015-0529-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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43
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Liu L, Zhou F, Kodiyath R, Ueda S, Abe H, Wang D, Deng Y, Ye J. CO tolerance of Pt/FeOxcatalyst in both thermal catalytic H2oxidation and electrochemical CO oxidation: the effect of Pt deficit electron state. Phys Chem Chem Phys 2016; 18:29607-29615. [DOI: 10.1039/c6cp05289d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Decreased electron density of Pt in Pt/Fe enhances the mobility of adsorbed CO, suppresses Pt–CO bonding and prominently enhances CO-tolerance.
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Affiliation(s)
- Lequan Liu
- TU-NIMS Joint Research Center
- Key Lab of Advanced Ceramics and Machining Technology (Ministry of Education)
- School of Materials Science and Engineering
- Tianjin University
- Tianjin
| | - Feng Zhou
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Rajesh Kodiyath
- International Center for Materials Nanoarchitectonics (WPI-MANA)
- Environmental Remediation Materials Unit
- National Institute for Materials Science (NIMS)
- Tsukuba
- Japan
| | - Shigenori Ueda
- Synchrotron X-ray Station at SPring-8
- National Institute for Materials Science
- Sayo
- Japan
- Quantum Beam Unit
| | - Hideki Abe
- International Center for Materials Nanoarchitectonics (WPI-MANA)
- Environmental Remediation Materials Unit
- National Institute for Materials Science (NIMS)
- Tsukuba
- Japan
| | - Defa Wang
- TU-NIMS Joint Research Center
- Key Lab of Advanced Ceramics and Machining Technology (Ministry of Education)
- School of Materials Science and Engineering
- Tianjin University
- Tianjin
| | - Youquan Deng
- Centre for Green Chemistry and Catalysis
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Jinhua Ye
- TU-NIMS Joint Research Center
- Key Lab of Advanced Ceramics and Machining Technology (Ministry of Education)
- School of Materials Science and Engineering
- Tianjin University
- Tianjin
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44
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Zhang B, Niu Y, Xu J, Pan X, Chen CM, Shi W, Willinger MG, Schlögl R, Su DS. Tuning the surface structure of supported PtNixbimetallic electrocatalysts for the methanol electro-oxidation reaction. Chem Commun (Camb) 2016; 52:3927-30. [DOI: 10.1039/c5cc08978f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The structural investigation of bimetallic PtNi2nanoparticles from polycrystalline to randomly mixed and core–shell structures induced by thermal annealing in different atmospheres.
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Affiliation(s)
- Bingsen Zhang
- Shenyang National Laboratory for Materials Science
- Institute of Metal Research
- Chinese Academy of Sciences
- Shenyang
- China
| | - Yiming Niu
- Shenyang National Laboratory for Materials Science
- Institute of Metal Research
- Chinese Academy of Sciences
- Shenyang
- China
| | - Junyuan Xu
- Shenyang National Laboratory for Materials Science
- Institute of Metal Research
- Chinese Academy of Sciences
- Shenyang
- China
| | - Xiaoli Pan
- Shenyang National Laboratory for Materials Science
- Institute of Metal Research
- Chinese Academy of Sciences
- Shenyang
- China
| | - Cheng-Meng Chen
- Key Laboratory of Carbon Materials
- Institute of Coal Chemistry
- Chinese Academy of Sciences
- Taiyuan
- China
| | - Wen Shi
- Shenyang National Laboratory for Materials Science
- Institute of Metal Research
- Chinese Academy of Sciences
- Shenyang
- China
| | | | - Robert Schlögl
- Fritz Haber Institute of the Max Planck Society
- Berlin
- Germany
| | - Dang Sheng Su
- Shenyang National Laboratory for Materials Science
- Institute of Metal Research
- Chinese Academy of Sciences
- Shenyang
- China
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45
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Shu T, Dang D, Xu DW, Chen R, Liao SJ, Hsieh CT, Su A, Song HY, Du L. High-Performance MEA Prepared by Direct Deposition of Platinum on the Gas Diffusion Layer Using an Atomic Layer Deposition Technique. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.03.031] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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46
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Hassan A, Paganin VA, Ticianelli EA. Effect of Addition of Ru and/or Fe in the Stability of PtMo/C Electrocatalysts in Proton Exchange Membrane Fuel Cells. Electrocatalysis (N Y) 2015. [DOI: 10.1007/s12678-015-0269-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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47
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Han M, Li M, Wu X, Zeng J, Liao S. Highly stable and active Pt electrocatalysts on TiO 2 -Co 3 O 4 -C composite support for polymer exchange membrane fuel cells. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2014.12.106] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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48
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Xue YH, Zhou WJ, Zhang L, Li M, Chan SH. Poly(diallyldimethylammonium chloride)-functionalized reduced graphene oxide supported palladium nanoparticles for enhanced methanol oxidation. RSC Adv 2015. [DOI: 10.1039/c4ra16694a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
PDDA-functionalized rGO supported nano-size Pd particles show superior MOR activity in alkaline medium.
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Affiliation(s)
- Yan Hong Xue
- Energy Research Institute
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Wei Jiang Zhou
- Energy Research Institute
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Lan Zhang
- Energy Research Institute
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Miao Li
- Energy Research Institute
- Nanyang Technological University
- Singapore 639798
- Singapore
| | - Siew Hwa Chan
- Energy Research Institute
- Nanyang Technological University
- Singapore 639798
- Singapore
- School of Mechanical and Aerospace Engineering
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49
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Yamazaki SI, Yao M, Asahi M, Sato H, Yamano A, Ioroi T. Characterization of a Rh(iii) porphyrin–CO complex: its structure and reactivity with an electron acceptor. Dalton Trans 2015. [DOI: 10.1039/c5dt01453k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
To analyse the electrocatalytic oxidation of carbon monoxide by Rh porphyrins, we isolated a CO-adduct of Rh octaethylporphyrin, and examined its properties and reactivity by IR, NMR, and X-ray crystallographic analyses.
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Affiliation(s)
- Shin-ichi Yamazaki
- Research Institute of Electrochemical Energy
- Department of Energy and Environment
- National Institute of Advanced Industrial Science and Technology (AIST)
- Ikeda
- Japan
| | - Masaru Yao
- Research Institute of Electrochemical Energy
- Department of Energy and Environment
- National Institute of Advanced Industrial Science and Technology (AIST)
- Ikeda
- Japan
| | - Masafumi Asahi
- Research Institute of Electrochemical Energy
- Department of Energy and Environment
- National Institute of Advanced Industrial Science and Technology (AIST)
- Ikeda
- Japan
| | | | | | - Tsutomu Ioroi
- Research Institute of Electrochemical Energy
- Department of Energy and Environment
- National Institute of Advanced Industrial Science and Technology (AIST)
- Ikeda
- Japan
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50
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Jeon MK, Lee KR, Jeon HJ, McGinn PJ, Kang KH, Park GI. Quaternary Pt2Ru1Fe1M1/C (M=Ni, Mo, or W) catalysts for methanol electro-oxidation reaction. KOREAN J CHEM ENG 2014. [DOI: 10.1007/s11814-014-0186-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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