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Mbiagaing CD, Tagne AJ, Ngnie G, Dedzo GK, Ngameni E. Application of palladium nanoparticles supported organo-kaolinite for 4-chloro-2-nitroaniline catalytic reduction and electrochemical detection. NEW J CHEM 2022. [DOI: 10.1039/d2nj01453j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Palladium nanoparticles (PdNPs) supported organo-kaolinite was used as a solid catalyst for the reduction and electrochemical detection of 4-chloro-2-nitroaniline (CNA). During the catalytic reduction in presence of NaBH4, the effects...
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Hubkowska K, Kubisztal J, Pająk M, Łosiewicz B, Czerwiński A. Effect of the Alloying Metal on the Corrosion Resistance of Pd-Rich Binary Alloys with Pt, Rh, and Ru in Sulfuric Acid. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2923. [PMID: 34071575 PMCID: PMC8198221 DOI: 10.3390/ma14112923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/17/2021] [Accepted: 05/25/2021] [Indexed: 11/17/2022]
Abstract
The paper presents the study of the corrosion resistance of electrodeposited Pd and its binary alloys with Pt, Rh, and Ru on a polycrystalline Au substrate. The corrosion resistance was tested in 0.5 M sulfuric acid at room temperature using potentiodynamic polarization and electrochemical impedance spectroscopy techniques. The morphology/composition and work function values were determined by scanning electron microscopy/energy-dispersive X-ray spectroscopy and scanning Kelvin probe, respectively. The obtained results revealed that the Pd electrode is the most resistant to corrosion, whereas the Pd-Ru electrode is the most susceptible to dissolution. It was found that the corrosion resistance of Pd-binary alloys decrease in the following order: Pd > Pd-Pt > Pd-Rh > Pd-Ru. This effect was assigned mainly to the difference in surface roughness factor of tested electrodes.
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Affiliation(s)
- Katarzyna Hubkowska
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland; (M.P.); (A.C.)
| | - Julian Kubisztal
- Institute of Materials Engineering, Faculty of Science and Technology, University of Silesia in Katowice, 75 Pulku Piechoty 1A, 41-500 Chorzow, Poland; (J.K.); (B.Ł.)
| | - Małgorzata Pająk
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland; (M.P.); (A.C.)
| | - Bożena Łosiewicz
- Institute of Materials Engineering, Faculty of Science and Technology, University of Silesia in Katowice, 75 Pulku Piechoty 1A, 41-500 Chorzow, Poland; (J.K.); (B.Ł.)
| | - Andrzej Czerwiński
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland; (M.P.); (A.C.)
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3
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Photochemical deposition of palladium nanoflowers on TiO2 nanotubes and their application for the electrocatalytic measurement of iodate ions. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105425] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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4
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Hubkowska K, Themsirimongkon S, Saipanya S, Łukaszewski M, Czerwiński A. The Modification of Electrochemical Properties of Pd by its Alloying with Ru, Rh, and Pt: the Study of Ternary Systems. Electrocatalysis (N Y) 2020. [DOI: 10.1007/s12678-019-00579-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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6
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Gößler M, Albu M, Klinser G, Steyskal EM, Krenn H, Würschum R. Magneto-Ionic Switching of Superparamagnetism. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1904523. [PMID: 31573141 DOI: 10.1002/smll.201904523] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 09/14/2019] [Indexed: 06/10/2023]
Abstract
Electrochemical reactions represent a promising approach to control magnetization via electric fields. Favorable reaction kinetics have made nanoporous materials particularly interesting for magnetic tuning experiments. A fully reversible ON and OFF switching of magnetism in nanoporous Pd(Co) at room temperature is demonstrated, triggered by electrochemical hydrogen sorption. Comprehensive magnetic characterization in combination with high-resolution scanning transmission electron microscopy reveals the presence of Co-rich, nanometer-sized clusters in the nanoporous Pd matrix with distinct superparamagnetic behavior. The strong magneto-ionic effect arises from coupling of the magnetic clusters via a Ruderman-Kittel-Kasuya-Yoshida-type interaction in the Pd matrix which is strengthened upon hydrogen sorption. This approach offers a new pathway for the voltage control of magnetism, for application in spintronic or microelectromagnetic devices.
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Affiliation(s)
- Markus Gößler
- Institute of Materials Physics, Graz University of Technology, Petersgasse 16, A-8010, Graz, Austria
| | - Mihaela Albu
- Institute of Electron Microscopy and Nanoanalysis, Graz University of Technology, Steyrergasse 17, A-8010, Graz, Austria
| | - Gregor Klinser
- Institute of Materials Physics, Graz University of Technology, Petersgasse 16, A-8010, Graz, Austria
| | - Eva-Maria Steyskal
- Institute of Materials Physics, Graz University of Technology, Petersgasse 16, A-8010, Graz, Austria
| | - Heinz Krenn
- Institute of Physics, University of Graz, Universitätsplatz 5, A-8010, Graz, Austria
| | - Roland Würschum
- Institute of Materials Physics, Graz University of Technology, Petersgasse 16, A-8010, Graz, Austria
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Surfactant-Free Synthesis of Reduced Graphene Oxide Supported Well-Defined Polyhedral Pd-Pt Nanocrystals for Oxygen Reduction Reaction. Catalysts 2019. [DOI: 10.3390/catal9090756] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Well-defined polyhedral Pd-Pt nanocrystals anchored on the reduced graphene oxide (rGO) are successfully synthesized via a facile and efficient surfactant-free solvothermal route. The formation mechanism is carefully illustrated via tuning the surface state of rGO substrate and the Pd/Pt ratio in Pd-Pt nanocrystals. rGO substrates with continuous smooth surface, which can offer continuous 2D larger π electrons, play important roles in the formation of the well-defined polyhedral Pd-Pt nanocrystals. Suitable Pd/Pt ratio, which determines the affinity between the rGO substrate and polyhedral Pd-Pt nanocrystals, is another important factor for the formation of polyhedral Pd-Pt nanocrystals. Due to the well-defined surface of Pd-Pt nanocrystals, rich corners and edges from polyhedral structure, as well as more exposed (111) facets, the low-Pt polyhedral Pd-Pt nanocrystals anchored on rGO, used as electrocatalysts, exhibit high electrocatalytic activity for oxygen reduction reaction with excellent methanol tolerance.
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Study of the hydrogen absorption/diffusion in Pd80Rh20 alloy in acidic solution. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.05.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Koster D, Gutkowski R, Masa J, Schuhmann W. H2 quantification based on selective pre-concentration and oxidative stripping at Pd modified microelectrodes. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2017.12.030] [Citation(s) in RCA: 3] [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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10
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Wise AM, Richardson PW, Price SW, Chouchelamane G, Calvillo L, Hendra PJ, Toney MF, Russell AE. Inhibitive effect of Pt on Pd-hydride formation of Pd@Pt core-shell electrocatalysts: An in situ EXAFS and XRD study. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2017.12.161] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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11
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Kenne Dedzo G, Pameté Yambou E, Topet Saheu MR, Ngnie G, Nanseu-Njiki CP, Detellier C, Ngameni E. Hydrogen evolution reaction at PdNPs decorated 1:1 clay minerals and application to the electrocatalytic determination of p -nitrophenol. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.07.030] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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Zhang J, Wang Y, Si C, Bai Q, Ma W, Gao H, Zhang Z. Electrochemical actuation behaviors of bulk nanoporous palladium in acid and alkaline solutions. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.10.091] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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14
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Gromboni MF, Mascaro LH. Optical and structural study of electrodeposited zinc selenide thin films. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.04.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Gladysheva TD, Podlovchenko BI, Volkov DS, Filatov AY. Surface modification of PtPd alloy electrodes by potential cycling: effect on electrocatalytic properties. MENDELEEV COMMUNICATIONS 2016. [DOI: 10.1016/j.mencom.2016.07.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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16
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Zhang J, Bai Q, Zhang Z. Dealloying-driven nanoporous palladium with superior electrochemical actuation performance. NANOSCALE 2016; 8:7287-7295. [PMID: 26975834 DOI: 10.1039/c6nr00427j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Metal-hydrogen (in particular, Pd-H) interactions have been receiving considerable attention over the past 150 years within the scope of hydrogen storage, catalytic hydrogenation, hydrogen embrittlement and hydrogen-induced interfacial failure. Here, for the first time, we show that the coupling of hydrogen adsorption and absorption could trigger giant reversible strain in bulk nanoporous Pd (np-Pd) in a weakly adsorbed NaF electrolyte. The bulk np-Pd with a hierarchically porous structure and a ligament/channel size of ∼10 nm was fabricated using a dealloying strategy with compositional/structural design of the precursor. The np-Pd actuator exhibits a giant reversible strain of up to 3.28% (stroke of 137.8 μm), which is a 252% enhancement in comparison to the state-of-the-art value of 1.3% in np-AuPt. The strain rate (∼10(-5) s(-1)) of np-Pd is two orders of magnitude higher than that of current metallic actuators. Moreover, the volume-/mass-specific strain energy density (10.71 MJ m(-3)/3811 J kg(-1)) of np-Pd reaches the highest level compared with that of previously reported actuator materials. The outstanding actuation performance of np-Pd could be attributed to the coupling of hydrogen adsorption/absorption and its unique hierarchically nanoporous structure. Our findings provide valuable information for the design of novel high-performance metallic actuators.
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Affiliation(s)
- Jie Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jingshi Road 17923, Jinan, 250061, P.R. China.
| | - Qingguo Bai
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jingshi Road 17923, Jinan, 250061, P.R. China.
| | - Zhonghua Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jingshi Road 17923, Jinan, 250061, P.R. China.
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Singh RK, Ramesh R, Devivaraprasad R, Chakraborty A, Neergat M. Hydrogen Interaction (Electrosorption and Evolution) Characteristics of Pd and Pd3Co Alloy Nanoparticles: An In-situ Investigation with Electrochemical Impedance Spectroscopy. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.01.231] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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18
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Wen C, Li Z, Cao C, Wang Y, Guo P, Zhao XS. Structural evolution of palladium nanoparticles and their electrocatalytic activity toward ethanol oxidation in alkaline solution. RSC Adv 2016. [DOI: 10.1039/c6ra18146e] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Palladium nanoparticles with smaller particle size exhibit better electrocatalytic activity toward ethanol oxidation.
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Affiliation(s)
- Changna Wen
- Institute of Materials for Energy and Environment
- State Key Laboratory Breeding Based of New Fiber Materials and Modern Textile
- School of Materials Science and Engineering
- Qingdao University
- Qingdao
| | - Zhaopeng Li
- Institute of Materials for Energy and Environment
- State Key Laboratory Breeding Based of New Fiber Materials and Modern Textile
- School of Materials Science and Engineering
- Qingdao University
- Qingdao
| | - Caiyun Cao
- Institute of Materials for Energy and Environment
- State Key Laboratory Breeding Based of New Fiber Materials and Modern Textile
- School of Materials Science and Engineering
- Qingdao University
- Qingdao
| | - Yiqian Wang
- School of Physics
- Qingdao University
- Qingdao
- P. R. China
| | - Peizhi Guo
- Institute of Materials for Energy and Environment
- State Key Laboratory Breeding Based of New Fiber Materials and Modern Textile
- School of Materials Science and Engineering
- Qingdao University
- Qingdao
| | - X. S. Zhao
- Institute of Materials for Energy and Environment
- State Key Laboratory Breeding Based of New Fiber Materials and Modern Textile
- School of Materials Science and Engineering
- Qingdao University
- Qingdao
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Hubkowska K, Łukaszewski M, Czerwiński A. Properties of Pd–Ru–Rh electrodeposits studied by electrochemical, structural and spectroscopic methods. J Electroanal Chem (Lausanne) 2015. [DOI: 10.1016/j.jelechem.2015.09.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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21
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Zhou X, Yuan C, Qin D, Xue Z, Wang Y, Du J, Ma L, Ma L, Lu X. Pd Nanoparticles on Functionalized Graphene for Excellent Detection of Nitro aromatic Compounds. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.10.197] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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22
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Maiyalagan T, Wang X, Manthiram A. Highly active Pd and Pd–Au nanoparticles supported on functionalized graphene nanoplatelets for enhanced formic acid oxidation. RSC Adv 2014. [DOI: 10.1039/c3ra45262j] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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23
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Gupta R, Guin SK, Aggarwal SK. Electrocrystallization of palladium (Pd) nanoparticles on platinum (Pt) electrode and its application for electro-oxidation of formic acid and methanol. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.11.058] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Łukaszewski M, Hubkowska K, Koss U, Czerwiński A. On the Nature of Voltammetric Signals Originating from Hydrogen Electrosorption into Palladium-Noble Metal Alloys. MATERIALS 2013; 6:4817-4835. [PMID: 28788362 PMCID: PMC5452831 DOI: 10.3390/ma6104817] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 10/08/2013] [Accepted: 10/12/2013] [Indexed: 12/04/2022]
Abstract
Hydrogen sorption/desorption signals observed on cyclic voltammograms in experiments on hydrogen electrosorption into Pd-noble metal alloys (Pd-Au, Pd-Pt, Pd-Rh, Pd-Ru, Pd-Pt-Rh, Pd-Pt-Au) were characterized. The influence of electrosorption potential, scan rate and alloy bulk composition on the features of the hydrogen peaks was investigated. The experimental results were compared with those obtained on the basis of a model taken from the literature. It was confirmed that the rate of the α-β phase transition controls the overall rate of the process of hydrogen absorption/desorption into/from thin Pd-based electrodes. It was demonstrated that from the analysis of the changes of the hydrogen oxidation peak potential with the hydrogen electrosorption potential in cyclic voltammetric experiments it is possible to determine the limiting Pd bulk content, below which the β-phase in the alloy-hydrogen system is not formed.
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Affiliation(s)
- Mariusz Łukaszewski
- Department of Chemistry, Warsaw University, Pasteura 1, Warsaw 02-093, Poland.
| | - Katarzyna Hubkowska
- Department of Chemistry, Warsaw University, Pasteura 1, Warsaw 02-093, Poland.
| | - Urszula Koss
- Department of Chemistry, Warsaw University, Pasteura 1, Warsaw 02-093, Poland.
| | - Andrzej Czerwiński
- Department of Chemistry, Warsaw University, Pasteura 1, Warsaw 02-093, Poland.
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Hubkowska K, Koss U, Łukaszewski M, Czerwiński A. Hydrogen electrosorption into Pd-rich Pd–Ru alloys. J Electroanal Chem (Lausanne) 2013. [DOI: 10.1016/j.jelechem.2013.06.004] [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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26
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Skowroński JM, Rozmanowski T. Relationship between the reactions of hydrogen sorption/desorption and methanol oxidation on bifunctional Ni/Pd electrode in alkaline solution. J Solid State Electrochem 2012. [DOI: 10.1007/s10008-012-1950-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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27
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Zhang Z, Zhang C, Sun J, Kou T, Zhao C. Ultrafine nanoporous Cu–Pd alloys with superior catalytic activities towards electro-oxidation of methanol and ethanol in alkaline media. RSC Adv 2012. [DOI: 10.1039/c2ra21905k] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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28
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Time-efficient microwave synthesis of Pd nanoparticles and their electrocatalytic property in oxidation of formic acid and alcohols in alkaline media. J APPL ELECTROCHEM 2011. [DOI: 10.1007/s10800-011-0362-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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The method of limited volume electrodes as a tool for hydrogen electrosorption studies in palladium and its alloys. J Solid State Electrochem 2011. [DOI: 10.1007/s10008-011-1506-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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30
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Influence of rhodium additive on hydrogen electrosorption in palladium-rich Pd–Rh alloys. J Solid State Electrochem 2011. [DOI: 10.1007/s10008-011-1511-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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31
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Hubkowska K, Łukaszewski M, Czerwiński A. Influence of temperature on hydrogen electrosorption into palladium-noble metal alloys. Part 2—Palladium–platinum alloys. Electrochim Acta 2011. [DOI: 10.1016/j.electacta.2010.11.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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32
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Łukaszewski M, Hubkowska K, Czerwiński A. Comparative study on the influence of temperature, electrode potential and alloy bulk composition on hydrogen electrosorption into Pd–Pt and Pd–Au alloys. J Electroanal Chem (Lausanne) 2011. [DOI: 10.1016/j.jelechem.2010.11.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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33
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Hwang SM, Lee CH, Kim JJ, Moffat TP. Oxygen reduction reaction on electrodeposited Pt100−x−yNixPdy thin films. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.08.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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34
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Chen S, Adams BD, Chen A. Synthesis and electrochemical study of nanoporous Pd–Ag alloys for hydrogen sorption. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.09.060] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Kim BK, Seo D, Lee JY, Song H, Kwak J. Electrochemical deposition of Pd nanoparticles on indium-tin oxide electrodes and their catalytic properties for formic acid oxidation. Electrochem commun 2010. [DOI: 10.1016/j.elecom.2010.08.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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36
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Skitał PM, Sanecki PT, Kaczmarski K. The mathematical model of the stripping voltammetry hydrogen evolution/dissolution process on Pd layer. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.04.084] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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37
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Adams BD, Ostrom CK, Chen A. Hydrogen electrosorption into Pd-Cd nanostructures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:7632-7637. [PMID: 20099788 DOI: 10.1021/la9044072] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Hydrogen-absorbing materials are crucial for both the purification and storage of hydrogen. Pd and Pd-based alloys have been studied extensively for their use as both hydrogen dissociation catalysts and hydrogen selective membrane materials. It is known that incorporating metal atoms of different sizes into the Pd lattice has a major impact on the hydrogen absorption process. In this paper, hydrogen electrosorption into nanostructured Pd-Cd alloys has been studied for different compositions of Cd that varied from 0 to 15 at. %. The low cost of Cd makes it an attractive material to combine with Pd for hydrogen sorption. A combination of chronoamperometry and cyclic voltammetric experiments was used to determine the ratio of the H/(Pd + Cd) and the kinetics of hydrogen sorption into these Pd-Cd alloys at different potentials. It was found that the maximum H/(Pd + Cd) value was 0.66 for pure Pd, and this decreased with increasing the amount of Cd. Also, the alpha (solid solution) to beta phase (metal hydride) hydrogen transition was determined to be the slowest step in the absorption process and was practically eliminated when an optimum amount of Cd atoms was doped (i.e., Pd-Cd(15%)). With increasing the amount of Cd, more hydrogen was absorbed into the Pd-Cd nanostructures at the higher potentials (the alpha phase region). The faster kinetics, along with the decrease in the phase transition of hydrogen sorption into the Pd-Cd nanostructures when compared to pure Pd, makes the Pd-Cd nanostructures attractive for use as a hydrogen dissociation catalytic capping layer for other metal hydrides or as a hydrogen selective membrane.
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Affiliation(s)
- Brian D Adams
- Department of Chemistry, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada
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Sarkar A, Murugan AV, Manthiram A. Pt-encapsulated Pd-Co nanoalloy electrocatalysts for oxygen reduction reaction in fuel cells. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:2894-2903. [PMID: 20141217 DOI: 10.1021/la902756j] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Pt-encapsulated Pd(x)Co(100-x) nanoalloy electrocatalysts supported on carbon have been synthesized by a rapid microwave-assisted solvothermal (MW-ST) method within 15 min at as low as 300 degrees C. Subsequently, the samples have been heat treated at 900 degrees C in a reducing gas atmosphere to obtain Pt-Pd-Co nanoalloys. X-ray diffraction (XRD) analysis of the as-synthesized and 900 degrees C heat-treated samples reveals interesting changes in phase compositions and degree of alloying with Co and Pt contents and heat treatment. Transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) data of the as-synthesized samples confirm Pt enrichment on the surface of the Pd-Co nanoparticles. Rotating disk electrode (RDE) and single cell proton exchange membrane fuel cell measurements reveal that the as-synthesized Pt-encapsulated Pd(80)Co(20) (i.e., 75 wt % Pd(80)Co(20) + 25 wt % Pt) with 20 wt % total metal loading on carbon or 5 wt % Pt exhibit higher catalytic activity for the oxygen reduction reaction (ORR) compared to Pt with 20 wt % Pt loading on carbon. Significant changes in the catalytic activity for ORR occur on heat treatment at 900 degrees C as a result of changes in the phase composition and increase in particle size. This study demonstrates that the encapsulation of Pd-Co alloys with Pt offers a significant enhancement in activity for ORR per unit mass of Pt, offering a significant cost savings.
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Affiliation(s)
- A Sarkar
- Electrochemical Energy Laboratory, Materials Science and Engineering Program, The University of Texas at Austin, Austin, Texas 78712, USA
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Łukaszewski M, Hubkowska K, Czerwiński A. Electrochemical absorption and oxidation of hydrogen on palladium alloys with platinum, gold and rhodium. Phys Chem Chem Phys 2010; 12:14567-72. [DOI: 10.1039/c0cp00542h] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Łukaszewski M, Kędra T, Czerwiński A. Electrochemical behavior of Pd–Pt–Au alloys. J Electroanal Chem (Lausanne) 2010. [DOI: 10.1016/j.jelechem.2009.10.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Grdeń M, Łukaszewski M, Jerkiewicz G, Czerwiński A. Electrochemical behaviour of palladium electrode: Oxidation, electrodissolution and ionic adsorption. Electrochim Acta 2008. [DOI: 10.1016/j.electacta.2008.05.046] [Citation(s) in RCA: 315] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Łukaszewski M, Czerwiński A. Selected electrochemical properties of Pd–Au alloys: hydrogen absorption and surface oxidation. J Solid State Electrochem 2008. [DOI: 10.1007/s10008-008-0527-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Łukaszewski M, Grdeń M, Czerwiński A. Hydrogen Electrosorption in Pd‐Pt‐Rh Alloys in the Presence of Adsorbed CO. ANAL LETT 2007. [DOI: 10.1081/al-120030291] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Skowroński J, Czerwiński A, Rozmanowski T, Rogulski Z, Krawczyk P. The study of hydrogen electrosorption in layered nickel foam/palladium/carbon nanofibers composite electrodes. Electrochim Acta 2007. [DOI: 10.1016/j.electacta.2006.12.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Łukaszewski M, Żurowski A, Grdeń M, Czerwiński A. Correlations between hydrogen electrosorption properties and composition of Pd-noble metal alloys. Electrochem commun 2007. [DOI: 10.1016/j.elecom.2006.10.055] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Vigier F, Jurczakowski R, Lasia A. Reply to the letter of P. Zoltowski “Remarks on “Determination of hydrogen absorption isotherm and diffusion coefficient in Pd81Pt19 alloy” [F. Vigier et al., J. Electroanal. Chem. 588 (2006) 32]”. J Electroanal Chem (Lausanne) 2007. [DOI: 10.1016/j.jelechem.2006.11.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Zoltowski P. Remarks on “Determination of hydrogen absorption isotherm and diffusion coefficient in Pd81Pt19 alloy” [F. Vigier et al., J. Electroanal. Chem. 588 (2006) 32]. J Electroanal Chem (Lausanne) 2007. [DOI: 10.1016/j.jelechem.2006.11.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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