Browsing Research Articles (SAIAMC) by Author "Pollet, Bruno G."
Now showing items 1-19 of 19
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A new route to control texture of materials: Nanostructured ZnFe2O4 photoelectrodes
Tahir, Asif Ali; Burch, Henry A.; Wijayantha, K.G. Upul; Pollet, Bruno G. (2013)Studies were conducted to investigate the influence of deposition solution composition (methanol ≤ the deposition solvent ≤ ethanol) on their physical and chemical properties that matters in the aerosol formation and ... -
Application of surface-modified metal hydrides for hydrogen separation from gas mixtures containing carbon dioxide and monoxide
Lototskyy, Mykhaylo; Modibane, K.D.; Williams, M.; Klochko, Ye.; Linkov, Vladimir; Pollet, Bruno G. (Elsevier, 2013)Application of surface-modified MH material for H2 separation using temperature/pressure swing absorption–desorption was studied. The substrate alloy had the following composition LaNi3.55Co0.75Al0.4-Mn0.3, and the surface ... -
Characterization and activity test of commercial Ni/Al2O3, Cu/ZnO/Al2O3 and prepared NieCu/Al2O3 catalysts for hydrogen production from methane and methanol fuels
Khzouz, Martin; Wood, Joe; Pollet, Bruno G.; Bujalski, Waldemar (Elsevier, 2013)In this study, methane and methanol steam reforming reactions over commercial Ni/Al2O3, commercial Cu/ZnO/Al2O3 and prepared NieCu/Al2O3 catalysts were investigated. Methane and methanol steam reforming reactions catalysts ... -
Enhanced performance of polybenzimidazole-based high temperature proton exchange membrane fuel cell with gas diffusion electrodes prepared by automatic catalyst spraying under irradiation technique
Su, Huaneng; Pasupathi, Sivakumar; Bladergroen, Bernard Jan; Linkov, Vladimir; Pollet, Bruno G. (Elsevier, 2013)Gas diffusion electrodes (GDEs) prepared by a novel automatic catalyst spraying under irradiation (ACSUI) technique are investigated for improving the performance of phosphoric acid (PA)-doped polybenzimidazole (PBI) high ... -
Fuel cell-battery hybrid powered light electric vehicle (golf cart): Influence of fuel cell on the driving performance
Tolj, Ivan; Lototskyy, Mykhaylo; Davids, Moegamat Wafeeq; Pasupathi, Sivakumar; Swart, Gerhard; Pollet, Bruno G. (Elsevier, 2013)A light electric vehicle (golf cart, 5 kW nominal motor power) was integrated with a commercial 1.2 kW PEM fuel cell system, and fuelled by compressed hydrogen (two composite cylinders, 6.8 L/300 bar each). Comparative ... -
High temperature (HT) polymer electrolyte membrande fuel cells (PEMFC) - A review
Chandan A, Hattenberger M,Pollet BG and 6 other; Chandan, Amrit; Hattenberger, Mariska; El-kharouf, Ahmad; Du, Shangfeng; Dhir, Aman; Self, Valerie; Pollet, Bruno G.; Ingram, Andrew; Bujalski, Waldemar (Elsevier, 2013)One possible solution of combating issues posed by climate change is the use of the High Temperature (HT) Polymer Electrolyte Membrane (PEM) Fuel Cell (FC) in some applications. The typical HT-PEMFC operating temperatures ... -
Hydrogen absorption study of high-energy reactive ball milled Mg composites with palladium additives
Williams, M.; Sibanyoni, J.M.; Lototskyy, Mykhaylo; Pollet, Bruno G. (Elsevier, 2013)Hydrogenation behaviour, structure, morphology and dehydrogenation/re-hydrogenation performances of Mg–Pd nanocomposites prepared by high-energy reactive ball milling in H2 (HRBM) of Mg in the presence of amorphous and ... -
Magnesium–carbon hydrogen storage hybrid materials produced by reactive ball milling in hydrogen
Lototskyy, Mykhaylo; Sibanyoni, J.M.; Denys, R.V.; Williams, M.; Pollet, Bruno G.; Yartys, V.A. (Elsevier, 2013)Time-resolved studies uncovered kinetics and mechanism of Mg–hydrogen interactions during High energy reactive ball milling in hydrogen (HRBM) in presence of various types of carbon, including graphite (G), activated carbon ... -
Nafion-stabilised platinum nanoparticles supported on titanium nitride: An efficient and durable electrocatalyst for phosphoric acid based polymer electrolyte fuel cells
Kumar, Ravi; Pasupathi, Sivakumar; Pollet, Bruno G.; Scott, Keith (Elsevier, 2013)Nafion derived platinum nanoparticles were produced and successfully anchored on titanium nitride (TiN) support (Pt/TiN) and its suitability for phosphoric acid based polymer electrolyte membrane fuel cells is reported. ... -
Optimisation of electrophoretic deposition parameters for gas diffusion electrodes in high temperature polymer electrolyte membrane fuel cells
Felix, Cecil; Jao, Ting-Chu; Pasupathi, Sivakumar; Pollet, Bruno G. (Elsevier, 2013)Electrophoretic deposition (EPD) method was used to fabricate gas diffusion electrodes (GDEs) for high temperature polymer electrolyte membrane fuel cells (HT PEMFC). Parameters related to the catalyst suspension and the ... -
Optimization of gas diffusion electrode for polybenzimidazole-based high temperature proton exchange membrane fuel cell: Evaluation of polymer binders in catalyst layer
Su, Huaneng; Pasupathi, Sivakumar; Bladergroen, Bernard Jan; Linkov, Vladimir; Pollet, Bruno G. (Elsevier, 2013)Gas diffusion electrodes (GDEs) prepared with various polymer binders in their catalyst layers (CLs) were investigated to optimize the performance of phosphoric acid doped polybenzimidazole (PBI)-based high temperature ... -
Poisoning-tolerant metal hydride materials and their application for hydrogen separation from CO2/CO containing gas mixtures
Modibane, K.D.; Williams, M.; Lototskyy, Mykhaylo; Davids, M.W.; Klochko, Ye.; Pollet, Bruno G. (Elsevier, 2013)Metal hydride materials offer attractive solutions in addressing problems associated with hydrogen separation and purification from waste flue gases. However, a challenging problem is the deterioration of hydrogen charging ... -
Pt decorated amorphous RuIr alloys as high efficiency electrocatalyst for methanol oxidation
Ma, Y.J.; Wang, H.; Ji, Shan; Pollet, Bruno G.; Wang, R.F. (The Electrochemical Society, 2012)This study focuses primarily on improving the utilization and activity of anodic catalysts for methanol electro-oxidation. The Direct Methanol Fuel Cell (DMFC) anodic catalyst, a carbon supported Pt decorated amorphous ... -
Pt-Sn/C as a possible methanol-tolerant cathode catalyst for DMFC
Martin, Lynwill G.; Green, Ivan; Wang, X.; Pasupathi, Sivakumar; Pollet, Bruno G. (Springer Verlag, 2013)An effective method was developed for preparing highly dispersed nano-sized Pt–Sn/C electrocatalyst synthesised by a modified polyol reduction method. From XRD patterns, the Pt–Sn/C peaks shifted slightly to lower 2θ angles ... -
RuxNb1-xO2 catalyst for the oxygen evolution reaction in proton exchange membrane water electrolysers
Puthiyapura, Vinod Kumar; Pasupathi, Sivakumar; Basu, Suddhasatwa; Wu, Xu; Su, Huaneng; Varagunapandiyan, N.; Pollet, Bruno G.; Scott, Keith (Elsevier, 2013)Bimetallic catalyst system of ruthenium oxide (RuO2) and niobium oxide (Nb2O5) was prepared using the Adams method and the hydrolysis method. Physical and electrochemical characterizations of the catalysts were studied ... -
Scaling factors for channel width variations in treelike flow field patterns for polymer electrolyte membrane fuel cells - An experimental study
Sauermoser, Marco; Pollet, Bruno G.; Kizilova, Natalya (Elsevier, 2021)To have a uniform distribution of reactants is an advantage to a fuel cell. We report results for such a distributor with tree-like flow field plates (FFP). Numerical simulations have shown that the width scaling parameters ... -
Supported 3-D Pt nanostructures: the straightforward synthesis and enhanced electrochemical performance for methanol oxidation in an acidic medium
Li, Zesheng; Ji, Shan; Pollet, Bruno G.; Shen, Pei Kang (Springer, 2013)Noble metal nanostructures with branched morphologies [i.e., 3-D Pt nanoflowers (NFs)] by tridimensionally integrating onto conductive carbon materials are proved to be an efficient and durable electrocatalysts for methanol ... -
Thermal conductivity and temperature profiles of the micro porous layers used for the polymer electrolyte membrane fuel cell
Burheim, Odne S.; Su, Huaneng; Pasupathi, Sivakumar; Pharoah, Jon G.; Pollet, Bruno G. (Elsevier, 2013)The thermal conductivity and the thickness change with pressure of several different micro porous layers (MPL) used for the polymer electrolyte membrane fuel cell (PEMFC) were measured. The MPL were made with different ... -
Validation of an externally oil-cooled 1 kWel HT-PEMFC stack operating at various experimental conditions
Bujlo, P.; Pasupathi, Sivakumar; Ulleberg, Ø.; Scholta, J.; Nomnqa, M.V.; Rabiu, A.; Pollet, Bruno G. (Elsevier, 2013)The performance of 1 kWel 48-cell HT-PEMFC at various experimental conditions is presented, particularly at several CO concentrations (up to 1.0%). Polarization curves measured at various anode (1.0-2.5) and cathode (1.6-4.0) ...