Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 681-700 of 854
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Experimental Analysis of the Voltage and Temperature Behavior of a Solid Oxide Fuel Cell Generator
(The American Society of Mechanical Engineers (ASME), 2007)A solid oxide fuel cell (SOFC) laboratory has been installed in Torino, Italy, in order to analyze the operation, in a cogenerative configuration, of the CHP-100 SOFC Field Unit built by ... -
Corrosion Study on Different Types of Metallic Bipolar Plates for Polymer Electrolyte Membrane Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2007)Three different types of metallic bipolar plates (commercial stainless steels, Ni-based alloys, and nitride-coated steels) were investigated in terms of their interface contact resistance (ICR) and ... -
Thermo-Economic Optimization of a Solid Oxide Fuel Cell, Gas Turbine Hybrid System
(The American Society of Mechanical Engineers (ASME), 2007)Large scale power production benefits from the high efficiency of gas-steam combined cycles. In the lower power range, fuel cells are a good candidate to combine with gas turbines. Such systems ... -
Thermal-Fluid-Dynamic Simulation of a Proton Exchange Membrane Fuel Cell Using a Hierarchical 3D-1D Approach
(The American Society of Mechanical Engineers (ASME), 2007)The use of proton exchange membrane fuel cells (PEFC) based power trains and stationary systems has been technically demonstrated but is still far from commercial application. Technical development ... -
5kWe LPG Hydrogen Generator for Polymer Electrolyte Fuel Cells: Momentum-Based Modeling of an Autothermal Reformer
(The American Society of Mechanical Engineers (ASME), 2007)This paper presents a two-dimensional model to describe the gas flow in an integrated reactor, developed at the CNR-ITAE Institute, and aimed to design a βeta5kWe hydrogen generator, named HYGen ... -
Particle Image Velocimetry Measurements in a Model Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2007)Particle image velocimetry was used to measure 2D velocity fields in representative regions of interest within flow channels of interdigitated and single-serpentine proton exchange membrane (PEM) ... -
Parameters Affecting the Performance of a Residential-Scale Stationary Fuel Cell System
(The American Society of Mechanical Engineers (ASME), 2007)Researchers at the National Institute of Standards and Technology have measured the performance of a residential fuel cell system when subjected to various environmental and load conditions. The ... -
Measurement of Solid Oxide Fuel Cell System Flow Rate by Tracer Gas Method
(The American Society of Mechanical Engineers (ASME), 2007)A high-precision method to measure efficiency of fuel cells with a 0.1% margin of error is proposed. This method is principally divided into two procedures: determining the composition of fuel ... -
Numerical Modeling of a Single Channel Polymer Electrolyte Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2007)A two-dimensional model of a single-channel polymer fuel cell has been developed. To achieve model validation, current mapping experiments were performed on the cathode side of a single-channel ... -
Study of an Electrochemical Alcohol Concentration Sensor: Optimization of the Anode Structure
(The American Society of Mechanical Engineers (ASME), 2007)Micro power sources have a wide potential market for consumer electronics and portable applications, such as weather stations, medical devices, signal units, APU (auxiliary power units), gas ... -
Polymer Electrolyte Fuel Cell Stacks at CNR-ITAE: State of the Art
(The American Society of Mechanical Engineers (ASME), 2007)Fuel cell technology development is one of the main activities at CNR-TAE Institute. Particular attention was devoted to polymer electrolyte fuel cells (PEFCs), which are the most probable ... -
Thermodynamic Analysis of Integrated Molten Carbon Fuel Cell–Gas Turbine Cycles for Sub-MW and Multi-MW Scale Power Generation
(The American Society of Mechanical Engineers (ASME), 2007)This paper investigates the thermodynamic potential of the integration of molten carbon fuel cell (MCFC) technology with gas turbine systems for small-scale (sub-megawatt or sub-MW) as well as ... -
Load Leveling of Fuel Cell System by Oxygen Concentration Control of Cathode Gas
(The American Society of Mechanical Engineers (ASME), 2007)The capacity reduction of a solid-polymer-membrane-type fuel cell (PEFC) with a reformer by load leveling and by improving the efficiency of part-load operation of the reformer is considered. ... -
Molten Carbonate Fuel Cell Dynamical Modeling
(The American Society of Mechanical Engineers (ASME), 2007)The aim of this work is to build up a complete dynamical model of a molten carbonate fuel cell (MCFC) stack, describing both the thermo-fluid-dynamical and the electrochemical phenomena involved, ... -
Supported Nafion Membrane for Direct Methanol Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2007)The performances of direct methanol fuel cells are largely dependent on the methanol crossover, while the amount of methanol crossover is reported to strongly rely on membrane materials and ... -
Hyperstoichiometric La1.9Sr0.1NiO4+δ Mixed Conductor as Novel Cathode for Intermediate Temperature Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2007)The materials La2−xSrxNiO4+δ(x=0,0.1) with K2NiF4 structure have been studied in order to explore their potential use as cathodes for intermediate temperature solid oxide fuel cells. The introduction ... -
Numerical Analysis of Thermal Behavior of Small Solid Oxide Fuel Cell Systems
(The American Society of Mechanical Engineers (ASME), 2007)Recently, small solid oxide fuel cell (SOFC) systems have been developed for various applications because of their high performance. In such small generation systems, quick and frequent start-stops ... -
A Novel Direct Carbon Fuel Cell Concept
(The American Society of Mechanical Engineers (ASME), 2007)This paper describes a direct carbon fuel cell (DCFC) based on a solid oxide fuel cell (SOFC) system which has been used to assess the performance of a high surface area carbon fuel material. ... -
Modeling and Analysis of Transient Behavior of Polymer Electrolyte Membrane Fuel Cell Hybrid Vehicles
(The American Society of Mechanical Engineers (ASME), 2007)The paper focuses on the simulation of a hybrid vehicle with proton exchange membrane fuel cell as the main energy conversion system. A modeling structure has been developed to perform accurate ... -
Flow Characterization of a Polymer Electronic Membrane Fuel Cell Manifold and Individual Cells Using Particle Image Velocimetry
(The American Society of Mechanical Engineers (ASME), 2007)Detailed measurements of flow through a model of a fuel cell stack were made using particle image velocimetry (PIV). The objective was to obtain high caliber sets of velocity fields in both ...