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Showing 1 to 12 of 12 for “"Micro-tubular"”.
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Cycling studies of micro-tubular solid oxide fuel cells
… these mechanisms of cyclic degradation for micro-tubular SOFC, then to set-up experiments to measure the degradation in terms of the drop in electrochemical performance and subsequently confirming the theories by dilatometry and scanning electron microscopy (SEM). In conclusion, the methods …
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Fabrication and characterization of micro-tubular solid oxide fuel cells
… potential to revolutionize energy generation. Tubular and planar concepts are the most common SOFC systems. The primary objective of this study was to develop a cost-effective process for fabricating micro-tubular SOFCs and to investigate how to improve fuel cell performance. Two technical …
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Production and Characterization of Micro-Tubular Solid Oxide Fuel Cells
In the present work, micro-tubular solid oxide fuel cells μt-SOFCs) constituted by NiO/YSZ anode with an embedded current collector, YSZ as electrolyte, YSZ/LSM as functional cathode layer and pure LSM as cathode current collector layer were fabricated by dip-coating technique. The fuel cell was …
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Electrochemical performance testing of micro-tubular solid oxide fuel cells
Includes bibliographical references (pages 117-120).
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Mathematical Modeling of An Anode-Supported Micro-Tubular Sofc Powered by Ammonia
… continuum model is presented for anode-supported micro-tubular SOFCs with ammonia as the fuel. This two-dimensional (2D) mathematical model consists of a set of equations that describe the conservation of heat, mass, momentum and charge, which are solved simultaneously by COMSOL MULTIPHYSICS 4.1a. …
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Advances in the Production of Planar and Micro-Tubular Solid Oxide Fuel Cells
… developed, i.e. the planar configuration and the microtubular one. Innovative aspects have been considered in both directions. In both cases environmental impact and cost of the processing was minimized by using only water based ceramic powder production technologies. A first aim of this work was …
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Modeling and Testing of a Micro-Tubular Low-Temperature Fuel Cell for use in a Micro Air Vehicle
Micro air vehicles (MAVs) are small remote controlled aircraft used by military personnel for reconnaissance and are currently powered by batteries. The MAVs rely on the battery for propulsion, navigation, and reconnaissance equipment. The thrust of this research is to develop a fuel cell system …
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Study to characterise the performance of micro tubular solid oxide fuel cells by the invention of an avant garde experimental apparatus and computational modelling.
… of this PhD thesis deals with the development of Micro Tubular Solid Oxide Fuel Cells (MT-SOFCs) and provides a body of information for any future MT-SOFC stack or testing apparatus design. This information has been achieved through a combination of experimental work, CFD modelling and numerical …
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Fabrication And Characterization Of Solid Oxide Cells for Energy Conversion and Storage
… button SOCs fabrication methods,</p> <p>Novel micro-tubular SOCs (MT-SOCs) fabrication methods,</p> <p>Microstructure characterization of the button and micro-tubular SOCs,</p> <p>Electrochemical properties and durability of the button and micro-tubular SOCs in electrolysis and fuel cell …
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Single-Chamber solid oxide fuel cells: modelling and experiments
… different geometries (i.e. planar, coplanar and micro tubular) under single-chamber (mixed-reactant) solid oxide fuel cell (SC-SOFC) conditions. In this respect, these designs have been computer analyzed and it is found that the micro-tubular design eliminates the possibility of cross …
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Characterisation of anode supported microtubular SOFC process on pure methane reduction and operation
… 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 anode-supported microtubular SOFCs …
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A Portable Generator Incorporating Mini-Tubular Solid Oxide Fuel Cells
… based on fuel cell technology, specifically mini-tubular solid oxide fuel cells (MT-SOFC). MT-SOFCs have been developed since the 1990s but there is limited analysis, discussion or research on developing and constructing a portable generator based on MT-SOFC technology. Such a generator, running …