Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 641-660 of 854
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Electrochemical Impedance Parameters for the Diagnosis of a Polymer Electrolyte Fuel Cell Poisoned by Carbon Monoxide in Reformed Hydrogen Fuel
(The American Society of Mechanical Engineers (ASME), 2008)We have investigated the behavior of an operating polymer electrolyte fuel cell (PEFC) with supplying a mixture of carbon monoxide (CO) and hydrogen (H2) gases into the anode to develop the ... -
Optimal Design of Hybrid Fuel Cell Vehicles
(The American Society of Mechanical Engineers (ASME), 2008)Automotive use of fuel cells has received increased attention due to clean and efficient power generation. Successful vehicular applications require careful balance of design and control trade-offs. ... -
An Experimental Investigation of the Effects of the Environmental Conditions and the Channel Depth for an Air-Breathing Polymer Electrolyte Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2008)The effects of the environmental conditions and the channel depth for an air-breathing polymer electrolyte membrane fuel cell were investigated experimentally. The fuel cell used in this work ... -
Development and Characterization of Cathode-Supported SOFCs by Single-Step Cofiring Fabrication for Intermediate Temperature Operation
(The American Society of Mechanical Engineers (ASME), 2008)In this study, a single-step cofiring through the extrusion molding and wet-ceramic coating technique was developed to fabricate a cathode-supported microtubular cell. The cell is consisting of ... -
On-Demand Hydrogen via High-Pressure Water Reforming for Military Fuel Cell Applications
(The American Society of Mechanical Engineers (ASME), 2008)Researchers have developed a high-pressure water-reforming (HPWR) process that produces high-pressure hydrogen from a jet fuel feedstock. Converting petroleum-based fuels to hydrogen for fuel cell ... -
Accelerated Numerical Test of Liquid Behavior Across Gas Diffusion Layer in Proton Exchange Membrane Fuel Cell Cathode
(The American Society of Mechanical Engineers (ASME), 2008)Liquid water transport inside proton exchange membrane (PEM) fuel cells is one of the key challenges for water management in a PEM fuel cell. Investigation of the air-water flow patterns inside ... -
Selective Coating of Anatase and Rutile TiO2 on Carbon via Ultrasound Irradiation: Mitigating Fuel Cell Catalyst Degradation
(The American Society of Mechanical Engineers (ASME), 2008)Before mass produced automotive fuel cell technology can be made practical, the oxidative instability of the carbons currently, used as the catalyst support at the oxygen electrode, must be ... -
Modeling of a Proton Exchange Membrane Fuel Cell With a Large Active Area for Thermal Behavior Analysis
(The American Society of Mechanical Engineers (ASME), 2008)A numerical model of a proton exchange membrane fuel cell has been developed to predict the performance of a large active area fuel cell with the water cooling thermal management system. The ... -
Computational Flow Analysis of Bipolar Plate for Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2008)A trilayer fuel cell includes separate flow channels for hydrogen and oxygen. One potential alternative flow channel design is the use of a bipolar plate that connects cathode of a trilayer ... -
Modeling of Polymer Electrolyte Membrane Fuel Cell Stack End Plates
(The American Society of Mechanical Engineers (ASME), 2008)Good thermal and electric contacts of gas diffusion layers (GDLs) with electrode surface and flow-field plates are important for the performance of a polymer electrolyte membrane fuel cell ... -
Design of a High Efficiency Fuel Cell dc/dc Converter Dedicated to Transportation Applications
(The American Society of Mechanical Engineers (ASME), 2008)This work consists in a theoretical and practical study of a dc/dc converter designed to be coupled to a fuel cell stack in transport applications. It also proposes analysis and control of ... -
Flexible Coproduction of Hydrogen and Power Using Internal Reforming Solid Oxide Fuel Cells System
(The American Society of Mechanical Engineers (ASME), 2008)Within the framework of the Greening of Gas project, in which the feasibility of mixing hydrogen into the natural gas network in the Netherlands is studied, we are exploring alternative hydrogen ... -
Ejector Model for High Temperature Fuel Cell Hybrid Systems: Experimental Validation at Steady-State and Dynamic Conditions
(The American Society of Mechanical Engineers (ASME), 2008)The aim of this work is the experimental validation of a steady-state and transient ejector model for high temperature fuel cell hybrid system applications. This is a mandatory step in performing ... -
Biomass Solid Oxide Fuel Cell-Microgas Turbine Hybrid System: Effect of Fuel Composition
(The American Society of Mechanical Engineers (ASME), 2008)Performance analysis of the solid oxide fuel cell-microgas turbine (SOFC-MGT) hybrid system has been made. We assume a fuel composition that is methane based with varying concentrations of other ... -
Solid Oxide Fuel Cell System Configurations for Distributed Generation
(The American Society of Mechanical Engineers (ASME), 2008)This paper deals with the determination of the optimal configuration of two integrated systems for distributed energy generation, based on solid oxide fuel cells. Both systems are obtained ... -
A Theoretical Solid Oxide Fuel Cell Model for System Controls and Stability Design
(The American Society of Mechanical Engineers (ASME), 2008)As the aviation industry moves toward higher efficiency electrical power generation, all electric aircraft, or zero emissions and more quiet aircraft, fuel cells are sought as the technology ... -
Deformation of a Droplet in a Channel Flow
(The American Society of Mechanical Engineers (ASME), 2008)Formation of droplets especially in microchannels, micro-electro-mechanical systems (MEMS) and polymer electrolyte membrane fuel cells and their effects on the performance of these devises, as well ... -
Study on the Polymer Membrane-Type Fuel Cell and Hybrid Hydrogenation Engine System Considering Improvement of Efficiency for Partial-Load Operation
(The American Society of Mechanical Engineers (ASME), 2008)Power demand patterns, such as for houses, fluctuate sharply. Therefore, if fuel cell cogeneration is installed in a house, partial-load operations with low efficiency frequently occur. On the ... -
Physicochemical Properties of Alkaline Aqueous Sodium Metaborate Solutions
(The American Society of Mechanical Engineers (ASME), 2007)Background: The transition to a hydrogen fuel economy is hindered by the lack of a practical storage method and concerns associated with its safe handling. Chemical hydrides have the potential ... -
Effects of Mass Transport on the Performance of Solid Oxide Fuel Cells Composite Electrodes
(The American Society of Mechanical Engineers (ASME), 2007)Composite electrodes are of great interest in the field of solid oxide fuel cells because their use can improve the performance of these cells. However, an important correlation exists between ...