Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 781-800 of 854
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A Methodology for Assessing Fuel Cell Performance Under a Wide Range of Operational Conditions: Results for Single Cells
(The American Society of Mechanical Engineers (ASME), 2006)Testing the performance of fuel cells is an important key for verifying technology improvements and for demonstrating their potential. However, due to the novelty of this technology, there is ... -
Stable Single-Chamber Solid Oxide Fuel Cells Based on Doped Ceria Electrolytes and La0.5Sr0.5CoO3 as a New Cathode
(The American Society of Mechanical Engineers (ASME), 2006)Several cathodes working in hydrocarbons diluted atmospheres have been proposed for single-chamber solid oxide fuel cells (SOFCs) fabrication. But, few cathodes work well in propane. In this work, ... -
Effects of Operating Parameters on the Current Density Distribution in Proton Exchange Membrane Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2006)During the operation of a proton exchange membrane (PEM) fuel cell, significant variation of the local current density could exist across the cell causing sharp temperature and stress gradients ... -
A Feasibility Study of an Auxiliary Power Unit Based on a PEM Fuel Cell for On-Board Applications
(The American Society of Mechanical Engineers (ASME), 2006)Proton exchange membrane (PEM) fuel cells show characteristics of high power density, low operating temperature, and fast start-up capability, which make them potentially suitable to replace ... -
Feasibility of Autothermally Reformed Natural Gas on Anode Supported Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2006)Three different planar anode supported solid oxide fuel cells (SOFC) were tested with hydrogen, with autothermally prereformed natural gas from which sulfur was removed, and with autothermally ... -
Investigation of the Reaction of Ethanol-Steam Mixtures in a YSZ Electrochemical Reactor Operated in a Fuel Cell Mode
(The American Society of Mechanical Engineers (ASME), 2006)In the present investigation ethanol-water mixtures were directly fed to a yttria stabilized zirconia (YSZ) electrochemical reactor operated in a fuel cell mode and the preliminary results are ... -
SIMULINK -FEMLAB Integrated Dynamic Simulation Model for a PEM Fuel Cell System
(The American Society of Mechanical Engineers (ASME), 2006)The necessity for reliable simulation models, able to support the fuel cell systems development activity, has increased continuously during the last years. The present work proposes a model which ... -
Dynamic Load and Temperature Behavior of a PEFC-Hybrid-System
(The American Society of Mechanical Engineers (ASME), 2006)A dynamic model of a polymer electrolyte fuel cell hybrid system has been developed within MATLAB -SIMULINK . Components are modeled using electrochemical and mass transport as well as heat ... -
Optimization and Economic Analysis of an Hybrid Fuel Cell, PhotoVoltaic and Battery Electric Power Generation System
(The American Society of Mechanical Engineers (ASME), 2006)This paper presents a technical and economical study of a hybrid—fuel cell, photovoltaic, and battery—electric generation system. The system is installed on five different remote sites. These ... -
Simulation of Biomass and/or Coal Gasification Systems Integrated With Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2006)This paper presents the results of a system simulation study. The HYSYS 3.1 - ASPEN code has been used for simulation. The system consists of a fixed bed gasifier followed by reforming and ... -
Sintering Behavior of (La,Sr)MnO3 Type Cathodes for Planar Anode-Supported SOFCs
(The American Society of Mechanical Engineers (ASME), 2006)One of the main targets in the development of anode-supported solid oxide fuel cell (SOFCs) is to improve the electrochemical performance. This can be achieved by optimizing processing and ... -
Rotating Disk Electrode Study of Supported and Unsupported Catalysts for PEMFC Application
(The American Society of Mechanical Engineers (ASME), 2006)The electrochemical study of different supported and unsupported Pt-based catalysts used in polymer electrolyte fuel cells (PEMFCs) has been made by means of thin film rotating disk electrode ... -
Power Cycle Integration and Efficiency Increase of Molten Carbonate Fuel Cell Systems
(The American Society of Mechanical Engineers (ASME), 2006)A new view is presented on the concept of the combined cycle for power generation. Traditionally, the term “combined cycle” is associated with using a gas turbine in combination with steam ... -
Production of Hydrogen With Low Carbon Monoxide Formation Via Catalytic Steam Reforming of Methanol
(The American Society of Mechanical Engineers (ASME), 2006)The production of hydrogen was investigated in a fixed bed tubular reactor via steam reforming of methanol (SRM) using CuO∕ZnO∕Al2O3 catalysts prepared by wet impregnation method and characterized ... -
Influences of The Type and Thickness of Electrolyte on Solid Oxide Fuel Cell Hybrid System Performance
(The American Society of Mechanical Engineers (ASME), 2006)This paper sets out the results of mathematical modeling and numerical simulations with regard to the influences of the type and thickness of electrolyte on Solid Oxide Fuel Cell Hybrid System ... -
A Reduced Fuel Cell Stack Model for Control and Fault Diagnosis
(The American Society of Mechanical Engineers (ASME), 2006)This paper proposes a reduced fuel cell stack model for control and fault diagnosis which was validated with experimental data. Firstly, the electro-chemical phenomena are modeled based on a ... -
Development of Stabilized NiO Cathodes for Molten Carbonate Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2006)The stabilized NiO cathodes were fabricated by Li‐Co‐O coated Ni powder which was synthesized by hydrothermal treatment in 4–6MLiOH∙H2O. The morphology of Li‐Co‐O coating was characterized by ... -
Numerical Simulation of Heat Transfer and Fluid Flow of a Flat-Tube High Power Density Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2005)To both increase the power density of a tubular solid oxide fuel cell (SOFC) and maintain its beneficial feature of secure sealing, a flat-tube high power density (HPD) solid oxide fuel cell ... -
Modeling the Performance of Flattened Tubular Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2005)In this paper, we develop a computational model to predict the electrical performance of the flattened tubular solid oxide fuel cell (SOFC) designed by Siemens Westinghouse Corporation. This ... -
Development of a New Aluminizing Method for Molten Carbonate Fuel Cell Wet Seals
(The American Society of Mechanical Engineers (ASME), 2005)A new aluminization method for molten carbonate fuel cell bipolar plate wet seals is described in this paper based on the application of the electrospark deposition (ESD) process. The molten ...