Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 441-460 of 854
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Multivariable Robust Control of a Simulated Hybrid Solid Oxide Fuel Cell Gas Turbine Plant
(The American Society of Mechanical Engineers (ASME), 2010)This paper presents a systematic approach to the multivariable robust control of a hybrid fuel cell gas turbine plant. The hybrid configuration under investigation comprises a physical simulation ... -
The Resistive Properties of Proton Exchange Membrane Fuel Cells With Stainless Steel Bipolar Plates
(The American Society of Mechanical Engineers (ASME), 2010)In this research, electrochemical impedance spectroscopy is employed to monitor the resistance of a fuel cell during operation with different operating conditions and different materials for the ... -
Control-Oriented Nonlinear Modeling and Temperature Control for Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2010)In this paper, a variable structure controller for temperature control of the solid oxide fuel cell (SOFC) is proposed. The performance and availability of the SOFC are greatly dependent on ... -
Proton Exchange Membrane Fuel Cell Air Management in Automotive Applications
(The American Society of Mechanical Engineers (ASME), 2010)This paper deals with the state-of-the-art of air management in proton exchange membrane fuel cell (PEMFC), which is a challenge because commercial compressors and humidification systems are not ... -
The Effect of Mechanical Fatigue on the Lifetimes of Membrane Electrode Assemblies
(The American Society of Mechanical Engineers (ASME), 2010)Long-term durability of the membrane electrode assembly (MEA) in proton exchange membrane (PEM) fuel cells is one of the major technological barriers to the commercialization of fuel cell vehicles. ... -
Eco-Friendly Screen-Printing Inks of Gadolinia Doped Ceria
(The American Society of Mechanical Engineers (ASME), 2010)Gadolina doped ceria (GDC) is a promising electrolyte for intermediate temperature solid oxide fuel cells (IT-SOFC). Dense layers of this material can be economically deposited by screen printing. ... -
Computational and Experimental Studies on the Effect of Flow-Distributors on the Performance of PEMFC
(The American Society of Mechanical Engineers (ASME), 2010)Effective supply of reactants and product-water removal are the key issues in proton exchange membrane fuel cell (PEMFC) from the performance view point. Reactant distribution pattern can be one ... -
Effects of Electrode Microstructure on Intermediate Temperature Solid Oxide Fuel Cell Performance
(The American Society of Mechanical Engineers (ASME), 2010)In this study, the effects of electrode microstructure and electrolyte parameters on intermediate temperature solid oxide fuel cell (ITSOFC) performance were investigated using a one-dimensional ... -
Through-Plane Permeability for Untreated and PTFE-Treated Gas Diffusion Layers in Proton Exchange Membrane Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2010)The through-plane permeability has been experimentally measured for untreated and polytetrafluoroethylene-treated (PTFE-treated) gas diffusion layers (GDLs), as used in proton exchange membrane fuel ... -
Exploration and Prioritization of Fuel Cell Commercialization Barriers for Use in the Development of a Fuel Cell Roadmap for California
(The American Society of Mechanical Engineers (ASME), 2010)Barriers to fuel cell commercialization are often introduced as general challenges, such as cost and durability, without definition of the terms and usually without prioritizing the degree to ... -
Numerical Analysis of the Heat and Mass Transfer Characteristics in an Autothermal Methane Reformer
(The American Society of Mechanical Engineers (ASME), 2010)This paper discusses a numerical analysis of the heat and mass transfer characteristics in an autothermal methane reformer. Assuming local thermal equilibrium between the bulk gas and the surface ... -
Channel Geometry Effect for Proton Exchange Membrane Fuel Cell With Serpentine Flow Field Using a Three-Dimensional Two-Phase Model
(The American Society of Mechanical Engineers (ASME), 2010)This study presents a complete three-dimensional, two-phase transport model for proton exchange membrane fuel cells based on the two-fluid method, which couples the mass, momentum, species, and ... -
Novel Electrode-Supported Honeycomb Solid Oxide Fuel Cell: Design and Fabrication
(The American Society of Mechanical Engineers (ASME), 2010)We have developed a novel and highly effective electrode-supported solid oxide fuel cell (SOFC) with honeycomb structure for intermediate temperature operation. Honeycomb-supported SOFC is known ... -
Modeling of a Direct Carbon Fuel Cell System
(The American Society of Mechanical Engineers (ASME), 2010)Direct carbon fuel cells (DCFCs) have great thermodynamic advantages over other high temperature fuel cells such as molten carbonate fuel cells (MCFCs) and solid oxide fuel cells. They can have ... -
Curvature and Strength of Ni-YSZ Solid Oxide Half-Cells After Redox Treatments
(The American Society of Mechanical Engineers (ASME), 2010)One of the main drawbacks of anode-supported solid oxide fuel cell technology is the limited capability to withstand reduction and oxidation (“RedOx”) of the Ni phase. This study compares the ... -
Economic Viability of a Molten Carbonate Fuel Cell Working With Biogas
(The American Society of Mechanical Engineers (ASME), 2010)Catalonia (Spain) has a significant potential of biogas production from agricultural activities and municipal waste. In addition, there are plenty of industrial cogeneration plants, but most of ... -
A Controllable Membrane-Type Humidifier for Fuel Cell Applications—Part I: Operation, Modeling and Experimental Validation
(The American Society of Mechanical Engineers (ASME), 2010)For temperature and humidity control of proton exchange membrane fuel cell (PEMFC) reactants, a membrane based external humidification system was designed and constructed. Here we develop and ... -
Polymer Electrolyte Fuel Cell Transport Mechanisms: A Universal Approach to Multilayer Two-Phase Modeling Through the General Transport Equation
(The American Society of Mechanical Engineers (ASME), 2010)A mathematical multilayer, multispecies two-phase model for polymer electrolyte fuel cells (PEFCs) is presented based on fundamental molecular theory using the general transport equation (GTE). The ... -
Distribution Study of Species and Current Density During Oxygen Starvation
(The American Society of Mechanical Engineers (ASME), 2010)In a fuel cell system the stack is strongly coupled with the main system components, among which the compressor is one of the most important. Malfunction of this auxiliary device (delay during ... -
Simulation Study for the Series Connected Bundles of Microtubular SOFCs
(The American Society of Mechanical Engineers (ASME), 2010)Solid oxide fuel cells (SOFCs) have the highest energy conversion efficiency among various power generators and expected to be earlier commercialization. Our study aims to develop fabrication ...