Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 101-120 of 854
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Effect of Membrane Electrode Assembly Bonding Technique on Fuel Cell Performance and Platinum Crystallite Size
(The American Society of Mechanical Engineers (ASME), 2014)Major efforts are underway to reduce fuel cell manufacturing costs, thereby facilitating widespread adoption of fuel cell technology in emerging applications, such as combined heat and power and transportation. This research ... -
Electrocatalytic Oxidation of Ethanol at Pd/PANI Electrocatalyst
(The American Society of Mechanical Engineers (ASME), 2014)Palladium Pd/polyaniline (PANI) nanocomposite was prepared by a thermal reflux method as the catalyst for direct ethanol fuel cells. The Pd/PANI catalysts were characterized by using FTIR transmission electron microscopy ... -
Electrochemical Oxidation of Methanol at Pt Modified Electrode in Carbonate Solution
(The American Society of Mechanical Engineers (ASME), 2014)In this paper, we discuss the effect of Pb, Cd, Ni, Zn, and Mn adatoms on the rate of methanol oxidation at the Pt electrode in the carbonate solution. In Na2B4O7, the presence of Cd, Ni, Mn, and Zn adatoms increased the ... -
Dynamic Modeling of a Reformed Methanol Fuel Cell System Using Empirical Data and Adaptive Neuro Fuzzy Inference System Models
(The American Society of Mechanical Engineers (ASME), 2014)In this work, a dynamic matlab Simulink model of an H3350 reformed methanol fuel cell (RMFC) standalone battery charger produced by Serenergyآ® is developed on the basis of theoretical and empirical methods. The advantage ... -
Experimental Study on Estimation Method of Flooding Phenomenon at the Cathode Channel in the Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2014)The paper investigates the effects of the dimensionless number flooding number that can exactly predict the flooding phenomenon in the cathode channel. Experiments were carried out at 0, 50, and 90% relative humidity and ... -
Long Term SOFCs Button Cell Testing
(The American Society of Mechanical Engineers (ASME), 2014)This paper reports a new study where relatively longterm tests of about a 1000 h are performed on several planar anodesupported solid oxide fuel cells. The cell electrochemical behaviors are studied by using voltagecurrent ... -
Experimental Investigation on the Performance of a Formic Acid Electrolyte Direct Methanol Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2014)The performance of a new methanol fuel cell that utilizes a liquid formic acid electrolyte, named the formic acid electrolytedirect methanol fuel cell (FAEDMFC) is experimentally investigated. This fuel cell type has the ... -
In Plane Microstructure of Gas Diffusion Layers With Different Properties for PEFC
(The American Society of Mechanical Engineers (ASME), 2014)The gas diffusion layer (GDL) is undoubtedly one of the most complicated components used in a polymer electrolyte fuel cell (PEFC) in terms of liquid and gas transport phenomena. An appropriate fuel cell design seeks a ... -
Effect of Clamping Load on the Performance of Proton Exchange Membrane Fuel Cell Stack and Its Optimization Design: A Review of Modeling and Experimental Research
(The American Society of Mechanical Engineers (ASME), 2014)When individual proton exchange membrane fuel cells (PEMFCs) are assembled together to form a stack and provide energy for practical applications, an appropriate clamping load is usually required to render the stack high ... -
Artificial Neural Network Based Model for Calculating the Flow Composition Influence of Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2014)The paper presents use of an artificial neural network (ANN) for predicting the thermalflow behavior of a solid oxide fuel cell with no algorithmic solution merely by utilizing available experimental data. The error ... -
Full Parametric Characterization of LSM/LSM YSZ Cathodes by Electrochemical Impedance Spectroscopy
(The American Society of Mechanical Engineers (ASME), 2014)The contributions of the individual process steps of the cathode resistance were determined experimentally, directly from impedance spectra obtained from symmetrical cells. The symmetrical cells have architecture/structure ... -
Using a Stack Shunt to Mitigate Catalyst Support Carbon Corrosion in Polymer Electrolyte Membrane Fuel Cell Stacks During Start Stop Cycling
(The American Society of Mechanical Engineers (ASME), 2014)Carbon black based electrodes are generally recognized as state of the art for PEM fuel cell technology due to the high performance achieved with a relatively low Pt content. However, the catalyst carbon support is prone ... -
Modeling Study of a Combined Fuel Cell Stack/Switch Mode DC DC Converter
(The American Society of Mechanical Engineers (ASME), 2014)A fuelcell stack produces a low and unregulated dc voltage; therefore, a dcdc converter is required to step up and regulate the output voltage. A major drawback is that the output voltage of the fuelcell stack exhibits a ... -
Performance Evaluation of Dynamic Model of Compact Heat Exchange Reformer for High Temperature Fuel Cell Systems
(The American Society of Mechanical Engineers (ASME), 2014)Solid oxide fuel cell (SOFC) systems are the most advanced power generation system with the highest thermal efficiency. The current trend of research on the SOFC systems is focused on multikilowatt scale systems, which ... -
Organic Inhibitors of the Anode Self Corrosion in Aluminum Air Batteries
(The American Society of Mechanical Engineers (ASME), 2014)Aluminumair cells are very attractive systems due to their energy performance, namely their high energy density. Aluminum is a cheap and light material with a very high electropositive electrode potential, but a critical ... -
Thermoeconomic Optimization of a Solid Oxide Fuel Cell and Proton Exchange Membrane Fuel Cell Hybrid Power System
(The American Society of Mechanical Engineers (ASME), 2014)A hybrid system that combines a solid oxide fuel cell (SOFC) with a proton exchange membrane fuel cell (PEMFC) is presented in this paper. The SOFC stack acts as both an electricity producer and the fuel reformer for the ... -
Effects of Microhydrophobic Porous Layer on Water Distribution in Polymer Electrolyte Membrane Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2014)Performance of polymer electrolyte membrane fuel cells (PEMFC) at high current densities is limited to transport reactants and products. Furthermore, large amounts of water are generated and may be condensed due to the low ... -
The Scale Up Characteristics of a Catalytic Combustor With Flow Uniformity Analysis
(The American Society of Mechanical Engineers (ASME), 2014)Catalytic combustors are used as offgas combustors of molten carbonate fuel cells (MCFCs) because of their exhaust gas purity, geometric flexibility, and high combustion efficiency. In this study, a new design was investigated ... -
Performance Investigation of Polymer Electrolyte Membrane Fuel Cells Using Graphite Composite Plates Fabricated by Selective Laser Sintering
(The American Society of Mechanical Engineers (ASME), 2014)Selective laser sintering (SLS) was used to fabricate graphite composite plates for polymer electrolyte membrane fuel cells, which has the advantages of reducing time and cost associated with the research and development ... -
The Load Dependent Purge Strategy
(The American Society of Mechanical Engineers (ASME), 2014)In fuel cell systems with an anode recirculation cycle that runs overstoichiometrically, an undesired enrichment of nitrogen and water vapor occurs due to their diffusion through the membraneelectrodeassembly (MEA). This ...