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Showing 1 to 9 of 9 for “"Ni-YSZ"”.
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Fabrication and characterisation of nickel/yttria stabilised zirconia cermet anodes for solid oxide fuel cells
… objective of this thesis was to study the Ni/YSZ system from powder preparation to electrochemical and morphological characterisation. Nickel/yttria stabilised zirconia (YSZ) cermet systems are employed as anode materials in high temperature solid oxide fuel cell (SOFC) applications. The …
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Fabrication and Characterization of Freeze Tape Cast Anode Supported Solid Oxide Fuel Cells
… has produced exciting novel fabrication techniques that can provide distinct advantages within the fuel cell.</p> <p>This work concentrates on the novel freeze tape casting technique, which was developed as a direct mean of forming and controlling complex pore structures in ceramic materials. …
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Printable zirconia membranes for high power density micro solid oxide fuel cells
… transfer printing technology developed at the University of Illinois provides a solution to the problem of how to assemble µSOFCs. Transfer printing would allow the ultrathin membrane electrode assembly (MEA) to be fabricated separately, and then put into place in a fuel cell support structure. …
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Materials Development for the Fabrication of Metal-Supported Solid Oxide Fuel Cells by Co-sintering
… of electrical energy with good efficiency and minimal environmental impact. Successful commercialization of SOFCs has however been hindered despite the optimistic promises made by some developers. This slackened commercialization of SOFCs technology is mainly due to the high cost associated with …
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Characterisation of anode supported microtubular SOFC process on pure methane reduction and operation
The optimisations of reduction and operation of Ni-YSZ anode supported micro tubular cells on pure methane were studied. A major problem of SOFCs is nickel anode performance on methane and higher hydrocarbons. The aim of this work was to study the effect of reduction and operation of …
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Infiltrated composite electrodes for solid oxide fuel cells
… conversion devices, the power obtained from a unit volume should be improved. This corresponds to minimized resistances from SOFC components (composite electrodes and electrolyte). Stability of the generated power is another important issue. Degradation of SOFCs with time due to microstructural …
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Exploring Electrochemical Properties of Ti-Containing Oxides as Anodes for SOFCs
… issues associated with yttria-stabilised zirconia (YSZ) electrolyte and Ni-YSZ anodes, which deteriorate the performance of SOFCs and affect the worldwide market acceptance. The objective of this thesis is to explore the electrochemical properties of Ti-based hollandite-type and perovskite-type …
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Analysis of gas phase composition in fuel and exhaust gas in Solid Oxide Fuel Cells
… and a number of researches have shown that the nickel anode is damaged by long term exposure to ppm levels of phosphine in various fuels. Because phosphine is exposed to high temperatures (~800°C) and varying amounts of water and oxygen in fuels, the exact nature of the phosphorus species …
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Catalysts and materials development for fuel cell power generation
… reforming of methanol. The activity of lanthanum nickel perovskite (LaNiO3) was examined in both dilute fuel and full fuel conditions. Autothermal operation was successfully achieved with higher hydrogen selectivity than conventional Pd-based catalysts. The selected complex oxide catalyst was …