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Showing 1 to 18 of 18 for “"anode-supported"”.
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Planar copper containing anode-supported solid oxide fuel cells
Planar copper-containing anode supported Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFCs) were produced by single step cosintering. The anode and the electrolyte were realized through water-based tape casting, the cathode being added by screen printing. A 5 mol% of Lithium oxide addition …
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Mathematical Modeling of An Anode-Supported Micro-Tubular Sofc Powered by Ammonia
… this thesis, a 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 …
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Fabrication and Characterization of Freeze Tape Cast Anode Supported Solid Oxide Fuel Cells
<p>There has been increasing interest in clean renewable energy generation for alternative use to traditional fossil fuels. Solid oxide fuel cells (SOFCs) have been at the forefront of this technology and are considered one of the promising technologies in this area. SOFCs ability to operate on …
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Characterisation of anode supported microtubular SOFC process on pure methane reduction and operation
… 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 anode-supported …
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Production of single cell anode-supported SOFC using NiO/YSZ-YSZ-LSM/YSZ powder materials
… electricity directly. The components consist of anode, electrolyte and cathode which have different properties and operate at high temperatures up to 1000 οC. SOFC requires a thin, robust, porous anode, dense electrolyte and porous cathode. Manufacturing of single cell using low compaction value …
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Co-electrolysis of simulated coke oven gas using solid oxide electrolysis cell technology
… co-electrolysis using a commercially available anode supported solid oxide cell (SOC). SOCs are highly efficient electrochemical energy conversion devices that can potentially reduce greenhouse gas emissions and utilise complex gas mixtures in means of energy production (operation in fuel cell …
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Aging Effects of the Cathode and Determination of Single Electrode Performance in a Solid Oxide Fuel Cell
… the degradation processes to the cathode or the anode. To identify the independent anode and cathode contributions to the total impedance, one conventional electrochemical tool for evaluation is the reference electrode. Although reference electrode simulations predict that overpotential/current …
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Scalable Processing Routes for Solid-State Energy Conversion and Storage Devices
… scale. Chapter Five investigates the porosity in anode-supported SOFCs and the application of freeze casting to create aligned pore channels to improve fuel transport. The alignment of porosity is shown to reduce concentration polarization by 40% under lean operating conditions, which is an …
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DESIGN & DEVELOPMENT OF PLANAR SOLID OXIDE FUEL CELL STACK
In the present work, planar anode-supported Solid Oxide Fuel Cell short-stacks have been designed, assembled, tested and characterized. The design of the stacks and its components (frame, housing, interconnect, compressive and bonded seals) required a great attention to the materials properties …
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Production and Characterization of Micro-Tubular Solid Oxide Fuel Cells
… 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 designed according to the anode-supported …
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Modeling and analysis of a H₂-H₂O driven reversible solid oxide cell system for electrical energy storage applications
… and calibrated using test data from an advanced, anode-supported SOC from a project industry partner. Process engineering and equipment selection of various ReSOC system configurations is examined and down selected based on energetic and economic considerations. The system performance sensitivity …
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Catalysts and materials development for fuel cell power generation
… One potential solution is the development of Si-supported ultrathin electrolyte structures (~100 nm-thick) of low thermal mass. Due to the low maximum fabrication temperature (< 600°C), electrodes cannot be applied by traditional ceramic processing techniques. Alternative wet-chemical approaches …
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Distributed computing & solid oxide fuel cell modelling
… a network of PCs. Computer modelling of an anode supported tubular SOFC is rare in the literature. Validation of a finite-element model was undertaken against experimental data, showing good correlation. The model was then exercised to optimize aspects of the cell design revealing key …
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Theoretical and experimental study of solid oxide fuel cell (SOFC) using impedance spectra
… gas diffusion in porous electrode at the anode and the heterogeneous electrocatalysis of oxygen reduction reaction (ORR) at the cathode. First, anode was diagnosed to be mainly controlled by multicomponent gas diffusion inside the anode bulk (supporting) layer, and the Dusty Gas model is …
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Recovery and use of ammonia from coke-making processes
… was investigated using a commercially available anode-supported button cell. These mixtures served as a basic simulation of the waste ammonia streams produced from coke-making processes. Analysing the impact of each component, particularly ammonia, on the performance of the SOFC was crucial in …
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Solid Oxide Fuel Cell Modeling at the Cell Scale - Focusing on Species, Heat, Charge and Momentum Transport as well as the Reaction Kinetics and Effects
… Technology & Engineering (NIMTE) in China. The anode microscopic structure and catalytic characteristics have a major impact on the internal reforming reaction rates and also on the cell performance. The large difference between the different activation energies and reaction kinetics found in …
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Advances in the Production of Planar and Micro-Tubular Solid Oxide Fuel Cells
… processing technique capable of producing planar anode supported SOFC with thin electrolyte by sequential tape casting method (thus avoiding the lamination step) and co-sintering. In order to do this, different aspects associated with the processing steps, from colloidal suspension stability, to …
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Materials Development for the Fabrication of Metal-Supported Solid Oxide Fuel Cells by Co-sintering
… The long term stability of conventional Anode Supported-Solid Oxide Fuel Cell (AS-SOFC) with Ni based anode is tested by its limited tolerance towards redox cycling and rapid thermal cycling. The introduction of new generation SOFC, the so called Metal Supported- Solid Oxide Fuel Cell …