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Campisi S, Capelli S, Ferri M, Villa A, Dann E, Wade A, Wells PP, Dimitratos N. On the role of bismuth as modifier in AuPdBi catalysts: Effects on liquid-phase oxidation and hydrogenation reactions. CATAL COMMUN 2021. [DOI: 10.1016/j.catcom.2021.106340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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2
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Chamorro-Coral W, Caillard A, Brault P, Baranton S, Coutanceau C. Binary and ternary Pt-based clusters grown in a plasma multimagnetron-based gas aggregation source: electrocatalytic evaluation towards glycerol oxidation. NANOSCALE ADVANCES 2021; 3:1730-1740. [PMID: 36132561 PMCID: PMC9418899 DOI: 10.1039/d0na01009j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 01/19/2021] [Indexed: 06/15/2023]
Abstract
Platinum (Pt), platinum-bismuth (PtBi), platinum-copper (PtCu) and platinum-bismuth-copper (PtCuBi) clusters were grown in a gas aggregation source (GAS) equipped with three in-plane plasma magnetrons located in a single region of the gas aggregation zone. The X-ray diffraction results have shown that PtCu clusters form alloys as the decrease of the lattice parameter occurs when the Cu atomic content increases. PtBi clusters do not form alloys, but the presence of secondary Bi oxide phases was detected. Scanning transmission electron microscope mapping images revealed that simultaneously adding Bi and Cu to Pt leads to PtCu alloyed clusters decorated with Bi or CuBi species on the surface. The electrochemical results indicated that the shell might be composed of a metastable CuBi phase. Electrochemical measurements have shown that the addition of Bi or Cu to the Pt clusters enhances the catalytic activity for glycerol oxidation by decreasing the oxidation onset potential.
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Affiliation(s)
- W Chamorro-Coral
- Groupe de Recherches sur l'Energétique des Milieux Ionisés (GREMI), Université d'Orléans, CNRS 14 rue d'Issoudun BP6744 45067 Orléans cedex 2 France
| | - A Caillard
- Groupe de Recherches sur l'Energétique des Milieux Ionisés (GREMI), Université d'Orléans, CNRS 14 rue d'Issoudun BP6744 45067 Orléans cedex 2 France
| | - P Brault
- Groupe de Recherches sur l'Energétique des Milieux Ionisés (GREMI), Université d'Orléans, CNRS 14 rue d'Issoudun BP6744 45067 Orléans cedex 2 France
| | - S Baranton
- Institut de Chimie des Milieux et Matériaux de Poitiers (IC2MP), Université de Poitiers, CNRS 4 rue Michel Brunet TSA 51106 86073 Poitiers cedex 9 France
| | - C Coutanceau
- Institut de Chimie des Milieux et Matériaux de Poitiers (IC2MP), Université de Poitiers, CNRS 4 rue Michel Brunet TSA 51106 86073 Poitiers cedex 9 France
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Zhu Z, Liu F, Fan J, Li Q, Min Y, Xu Q. C2 Alcohol Oxidation Boosted by Trimetallic PtPbBi Hexagonal Nanoplates. ACS APPLIED MATERIALS & INTERFACES 2020; 12:52731-52740. [PMID: 33169980 DOI: 10.1021/acsami.0c16215] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The exploration of ternary Pt-based catalysts represents a new trend for the application of electrocatalysts in fuel cells. In the present study, intermetallic PtPbBi hexagonal nanoplates (HNPs) with a hexagonal close-packed structure have been successfully synthesized via a facile solvothermal synthesis approach. The optimized PtPbBi HNPs exhibited excellent mass activity in the ethanol oxidation reaction (8870 mA mg-1Pt) in an alkaline ethanol solution, which is 12.7 times higher than that of JM Pt/C. Meanwhile, the mass activity of PtPbBi HNPs in an ethylene glycol solution (10,225 mA mg-1Pt) is 1.85 times higher than that of JM Pt/C. In particular, its catalytic activity is better than that of most reported Pt-based catalysts. In addition, the optimized PtPbBi HNPs also show a better operational durability than commercial Pt/C. For the ethylene glycol oxidation reaction, a mass activity of 42.7% was retained even after a chronoamperometric test for 3600 s, which is rare among the reported Pt-based catalysts. By combining X-ray photoelectron spectroscopy and electrochemical characterization, we reveal the electron transfer between Pt, Pb, and Bi; this would lead to weakened CO adsorption and enhanced OH adsorption, thereby promoting the removal of toxic intermediates and ensuring that PtPbBi HNP samples have high activity and excellent stability. This work can inspire the design and synthesis of Pt-based nanocatalysts.
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Affiliation(s)
- Zhiqiang Zhu
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical Engineering Shanghai University of Electric Power, Yangpu District, 2588 Changyang Road, Shanghai 200090, China
| | - Feng Liu
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical Engineering Shanghai University of Electric Power, Yangpu District, 2588 Changyang Road, Shanghai 200090, China
| | - Jinchen Fan
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical Engineering Shanghai University of Electric Power, Yangpu District, 2588 Changyang Road, Shanghai 200090, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200090, China
| | - Qiaoxia Li
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical Engineering Shanghai University of Electric Power, Yangpu District, 2588 Changyang Road, Shanghai 200090, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200090, China
| | - Yulin Min
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical Engineering Shanghai University of Electric Power, Yangpu District, 2588 Changyang Road, Shanghai 200090, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200090, China
| | - Qunjie Xu
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental and Chemical Engineering Shanghai University of Electric Power, Yangpu District, 2588 Changyang Road, Shanghai 200090, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200090, China
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A remarkable Mo doped Ru catalyst for hydrogen generation from sodium borohydride: the effect of Mo addition and estimation of kinetic parameters. REACTION KINETICS MECHANISMS AND CATALYSIS 2020. [DOI: 10.1007/s11144-020-01884-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Zolfaghari M, Arab A, Asghari A. Enhanced Electrocatalytic Activity of Low Ni Content Nano Structured NiPd Electrocatalysts Prepared by Electrodeposition Method for Borohydride Oxidation. J ELECTROCHEM SCI TE 2020. [DOI: 10.33961/jecst.2019.00458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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6
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Neha N, Kouamé BSR, Rafaïdeen T, Baranton S, Coutanceau C. Remarkably Efficient Carbon-Supported Nanostructured Platinum-Bismuth Catalysts for the Selective Electrooxidation of Glucose and Methyl-Glucoside. Electrocatalysis (N Y) 2020. [DOI: 10.1007/s12678-020-00586-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Alkaline Ethanol Oxidation Reaction on Carbon Supported Ternary PdNiBi Nanocatalyst using Modified Instant Reduction Synthesis Method. Electrocatalysis (N Y) 2020; 11:203-214. [PMID: 33269032 PMCID: PMC7683445 DOI: 10.1007/s12678-019-00577-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Direct ethanol fuel cells (DEFC) still lack active and efficient electrocatalysts for the alkaline ethanol oxidation reaction (EOR). In this work, a new instant reduction synthesis method was developed to prepare carbon supported ternary PdNiBi nanocatalysts with improved EOR activity. Synthesized catalysts were characterized with a variety of structural and compositional analysis techniques in order to correlate their morphology and surface chemistry with electrochemical performance. The modified instant reduction synthesis results in well-dispersed, spherical Pd85Ni10Bi5 nanoparticles on Vulcan XC72R support (Pd85Ni10Bi5/C(II-III)), with sizes ranging from 3.7 ± 0.8 to 4.7 ± 0.7 nm. On the other hand, the common instant reduction synthesis method leads to significantly agglomerated nanoparticles (Pd85Ni10Bi5/C(I)). EOR activity and stability of these three different carbon supported PdNiBi anode catalysts with a nominal atomic ratio of 85:10:5 were probed via cyclic voltammetry and chronoamperometry using the rotating disk electrode method. Pd85Ni10Bi5/C(II) showed the highest electrocatalytic activity (150 mA⋅cm−2; 2678 mA⋅mg−1) with low onset potential (0.207 V) for EOR in alkaline medium, as compared to a commercial Pd/C and to the other synthesized ternary nanocatalysts Pd85Ni10Bi5/C(I) and Pd85Ni10Bi5/C(III). This new synthesis approach provides a new avenue to developing efficient, carbon supported ternary nanocatalysts for future energy conversion devices. The modified instant reduction method for synthesis of ternary Pd85Ni10Bi5/C(II) nanocatalyst using Vulcan XC72R as carbon support initiates an agglomeration reduction, provides low average particle size, and enables enhanced activity for the alkaline ethanol oxidation reaction (EOR) compared to the common instant reduction method and to a commercial Pd/C catalyst. ![]()
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Chen L, Zhou L, Lu H, Zhou Y, Huang J, Wang J, Wang Y, Yuan X, Yao Y. Shape-controlled synthesis of planar PtPb nanoplates for highly efficient methanol electro-oxidation reaction. Chem Commun (Camb) 2020; 56:9138-9141. [PMID: 32644079 DOI: 10.1039/d0cc03704d] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In this work, novel insights into the influence of different nanocrystal structures on the electrocatalytic oxidation of methanol are reported. Herein, we have successfully prepared high-yield PtPb nanoplates in the diethylene glycol (DEG) solvent. The as-obtained PtPb nanoplates with a large surface area of the (102) facet show higher MOR activity and superior durability in alkaline electrolyte compared with both zero-dimensional PtPb nanoparticles and commercial Pt/C. Further chronoamperometric (CA) measurements and discrete Fourier transform (DFT) calculations indicate that the PtPb nanoplates possess much better operation durability and CO tolerance due to the negative adsorption energy of the (102) facet.
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Affiliation(s)
- Lei Chen
- School of Chemistry and Chemical Engineering, Nantong University, 9 Seyuan Road, Nantong, 226019, Jiangsu, P. R. China. and SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, P. R. China
| | - Luozeng Zhou
- State Key Laboratory of Space Power-Sources Technology, Shanghai Institute of Space Power-Sources, 2965 Dongchuan Road, Shanghai, 200245, P. R. China
| | - Hongbin Lu
- School of Chemistry and Chemical Engineering, Nantong University, 9 Seyuan Road, Nantong, 226019, Jiangsu, P. R. China.
| | - Yaqin Zhou
- State Key Laboratory of Space Power-Sources Technology, Shanghai Institute of Space Power-Sources, 2965 Dongchuan Road, Shanghai, 200245, P. R. China
| | - Jialu Huang
- School of Chemistry and Chemical Engineering, Nantong University, 9 Seyuan Road, Nantong, 226019, Jiangsu, P. R. China.
| | - Jin Wang
- School of Chemistry and Chemical Engineering, Nantong University, 9 Seyuan Road, Nantong, 226019, Jiangsu, P. R. China.
| | - Yang Wang
- School of Chemistry and Chemical Engineering, Nantong University, 9 Seyuan Road, Nantong, 226019, Jiangsu, P. R. China.
| | - Xiaolei Yuan
- School of Chemistry and Chemical Engineering, Nantong University, 9 Seyuan Road, Nantong, 226019, Jiangsu, P. R. China.
| | - Yong Yao
- School of Chemistry and Chemical Engineering, Nantong University, 9 Seyuan Road, Nantong, 226019, Jiangsu, P. R. China.
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9
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Mahesh I, Jaithaliya R, Sarkar A. Efficient electrooxidation of ethanol on Bi@Pt/C nanoparticles: (i) Effect of monolayer Bi deposition on specific sites of Pt nanoparticle (ii) Calculation of average number of e-s without help of chemical analysis. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.11.144] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Ye K, Ma X, Cang R, Wang G, Cheng K, Wang G, Cao D. Nickel nanowires decorated with ultra-low palladium loading as an effective electrocatalyst for NaBH4 oxidation. Catal Sci Technol 2017. [DOI: 10.1039/c6cy02429g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Pd/Ni nanowire electrode presents superior electrochemical activity and desirable stability towards NaBH4 electrooxidation in alkaline media.
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Affiliation(s)
- Ke Ye
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
- P.R. China
| | - Xiaokun Ma
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
- P.R. China
| | - Ruibai Cang
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
- P.R. China
| | - Gang Wang
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
- P.R. China
| | - Kui Cheng
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
- P.R. China
| | - Guiling Wang
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
- P.R. China
| | - Dianxue Cao
- Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
- P.R. China
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11
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Investigation of the electrochemical oxidation reaction of the borohydride anion in palladium layers on Pt(111). Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.05.093] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Oliveira VL, Sibert E, Soldo-Olivier Y, Ticianelli EA, Chatenet M. Borohydride electrooxidation reaction on Pt(111) and Pt(111) modified by a pseudomorphic Pd monolayer. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.01.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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13
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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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14
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Duan D, You X, Liang J, Liu S, Wang Y. Carbon supported Cu-Pd nanoparticles as anode catalyst for direct borohydride-hydrogen peroxide fuel cells. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.07.118] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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15
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Berthon-Fabry S, Dubau L, Ahmad Y, Guerin K, Chatenet M. First Insight into Fluorinated Pt/Carbon Aerogels as More Corrosion-Resistant Electrocatalysts for Proton Exchange Membrane Fuel Cell Cathodes. Electrocatalysis (N Y) 2015. [DOI: 10.1007/s12678-015-0267-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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16
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Zhang D, Ye K, Cao D, Wang B, Cheng K, Li Y, Wang G, Xu Y. Co@MWNTs-Plastic: A novel electrode for NaBH4 oxidation. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.01.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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17
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Fu GT, Wu R, Liu C, Lin J, Sun DM, Tang YW. Arginine-assisted synthesis of palladium nanochain networks and their enhanced electrocatalytic activity for borohydride oxidation. RSC Adv 2015. [DOI: 10.1039/c5ra01009h] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Three-dimensional Pd nanochain networks (Pd-NCNs) were prepared by an arginine-assisted self-assembly process, exhibiting excellent electrocatalytic performance towards the borohydride oxidation reaction.
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Affiliation(s)
- Geng-Tao Fu
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
| | - Rui Wu
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
| | - Chang Liu
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
| | - Jun Lin
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
| | - Dong-Mei Sun
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
| | - Ya-Wen Tang
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
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18
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Electrooxidation of NaBH4 in Alkaline Medium on Well-defined Pt Nanoparticles Deposited onto Flat Glassy Carbon Substrate: Evaluation of the Effects of Pt Nanoparticle Size, Inter-Particle Distance, and Loading. Electrocatalysis (N Y) 2014. [DOI: 10.1007/s12678-014-0195-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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19
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Zalineeva A, Serov A, Padilla M, Martinez U, Artyushkova K, Baranton S, Coutanceau C, Atanassov PB. Self-Supported PdxBi Catalysts for the Electrooxidation of Glycerol in Alkaline Media. J Am Chem Soc 2014; 136:3937-45. [DOI: 10.1021/ja412429f] [Citation(s) in RCA: 213] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anna Zalineeva
- Université
de Poitiers, IC2MP, UMR CNRS 7285, “Catalysis and Non-conventional
Media” group, 4 rue Michel Brunet, 86073 Poitiers Cedex 9, France
| | - Alexey Serov
- Department
of Chemical and Nuclear Engineering and Center for Emerging Energy
Technologies, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Monica Padilla
- Department
of Chemical and Nuclear Engineering and Center for Emerging Energy
Technologies, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Ulises Martinez
- Department
of Chemical and Nuclear Engineering and Center for Emerging Energy
Technologies, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Kateryna Artyushkova
- Department
of Chemical and Nuclear Engineering and Center for Emerging Energy
Technologies, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Stève Baranton
- Université
de Poitiers, IC2MP, UMR CNRS 7285, “Catalysis and Non-conventional
Media” group, 4 rue Michel Brunet, 86073 Poitiers Cedex 9, France
| | - Christophe Coutanceau
- Université
de Poitiers, IC2MP, UMR CNRS 7285, “Catalysis and Non-conventional
Media” group, 4 rue Michel Brunet, 86073 Poitiers Cedex 9, France
| | - Plamen B. Atanassov
- Department
of Chemical and Nuclear Engineering and Center for Emerging Energy
Technologies, University of New Mexico, Albuquerque, New Mexico 87131, United States
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20
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Miao Y, Yang Z, Liu X, Xu L, Ouyang L, Gu Y, Chang H, Ouyang R. Self-assembly of BiIII ultrathin layer on Pt surface for non-enzymatic glucose sensing. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.07.188] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Iotov P, Kalcheva S, Kanazirski I. On the enhanced electrocatalytic performance of PtAu alloys in borohydride oxidation. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.06.132] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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22
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Zalineeva A, Baranton S, Coutanceau C. Bi-modified palladium nanocubes for glycerol electrooxidation. Electrochem commun 2013. [DOI: 10.1016/j.elecom.2013.07.022] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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23
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Arevalo RL, Escaño MCS, Wang AYS, Kasai H. Structure and stability of borohydride on Au(111) and Au3M(111) (M = Cr, Mn, Fe, Co, Ni) surfaces. Dalton Trans 2013; 42:770-5. [PMID: 23168688 DOI: 10.1039/c2dt32226a] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
We study the adsorption of borohydride on Au and Au-based alloys (Au(3)M with M = Cr, Mn, Fe, Co, and Ni) using first-principles calculations based on spin-polarized density functional theory. Favorable molecular adsorption and greater adsorption stability compared to pure Au are achieved on Au(3)M alloys. For these alloys, there is an emergence of unoccupied states in the surface d band around the Fermi level with respect to the fully occupied d band of pure Au. Thus, the derived antibonding state of the sp-d interaction is upshifted and becomes unoccupied compared to pure Au. The B-H bond elongation of the adsorbed borohydride on these alloy surfaces points to the role of surface-parallel (d(xy) and d(x(2)-y(2)) states) components of the d-band of the alloying metal M, most pronouncedly in the cases of M = Co or Ni. On the alloy surfaces, B binds directly with the alloying metal, unlike in the case of pure Au where the surface bonding is through the H atoms. These results pose relevant insights into the design of Au-based anode catalysts for the direct borohydride fuel cell.
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Affiliation(s)
- Ryan Lacdao Arevalo
- Department of Precision Science & Technology and Applied Physics, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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Simões M, Baranton S, Coutanceau C. Electrochemical valorisation of glycerol. CHEMSUSCHEM 2012; 5:2106-2124. [PMID: 23112136 DOI: 10.1002/cssc.201200335] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Revised: 06/15/2012] [Indexed: 06/01/2023]
Abstract
The worldwide glycerol stocks are increasing; to make the biodiesel industry sustainable economically, this chemical could be used as a secondary primary raw material. Electric energy or hydrogen and added-value-chemical cogeneration becomes more and more an important research topic for increasing economical and industrial interests towards electrochemical technologies. Studies on glycerol electrooxidation for fuel or electrolysis cell applications are scarce. The valorisation of glycerol is generally performed by organic chemistry reactions forming, for example, esters, glycerol carbonates, ethers, acetals or ketals. Glycerol oxidation is made up of complex pathway reactions that can produce a large number of useful intermediates or valuable fine chemicals with presently limited market impact due to expensive production processes. Many of these chemical oxidation routes lead to significant amounts of undesired by-products, and enzymatic processes are limited. Converse to classical heterogeneous processes, electrocatalytic oxidation processes can be tuned by controlling the nature, composition and structure of the electrocatalyts as well as the electrode potential. Such control may lead to very high selectivity and activity, avoiding or limiting product separation steps. The coupling of glycerol oxidation to produce chemicals with the oxygen reduction reaction in a fuel cell or water reduction reaction in an electrolysis cell on Pt-free catalysts results either in coproduction of electrical energy or hydrogen for energy storage.
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Affiliation(s)
- Mário Simões
- IC2 MP, UMR 7285 CNRS, Université de Poitiers, 4 Rue Michel Brunet, B 27, 86022 Poitiers Cedex, France
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25
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Samadi-Maybodi A, Naser Azizi S, Masoomeh Pourali S, Ehsani Tilami S. Framework-Substituted Bismuth Zeolite-P: Synthesis and Characterization. Z Anorg Allg Chem 2011. [DOI: 10.1002/zaac.201100335] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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26
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Santos D, Saturnino P, Macciò D, Saccone A, Sequeira C. Platinum-rare earth intermetallic alloys as anode electrocatalysts for borohydride oxidation. Catal Today 2011. [DOI: 10.1016/j.cattod.2011.03.037] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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