Browsing Journal of Fuel Cell Science and Technology by Title
Now showing items 1-20 of 854
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1 Hexanol Based Catalyst Inks for Catalyst Layer Preparation for a DMFC
(The American Society of Mechanical Engineers (ASME), 2013)The catalyst ink preparation for a catalyst layer production by screen printing for a direct methanol fuel cell (DMFC) is evaluated. Among a large variety of solvents 1hexanol was chosen for the preparation due to its ... -
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 ... -
A Combined Finite Element-Upwind Finite Volume Method for Liquid-Feed Direct Methanol Fuel Cell Simulations
(The American Society of Mechanical Engineers (ASME), 2010)In this paper, a three-dimensional, two-phase transport model of liquid-feed direct methanol fuel cell (DMFC), which is based on the multiphase mixture formulation and encompasses all components ... -
A Comparative Study Between Resistance Measurements in Model Experiments and Solid Oxide Fuel Cell Stack Performance Tests
(The American Society of Mechanical Engineers (ASME), 2007)Several combinations of glass-ceramic and steel compositions with excellent chemical and physical properties have been tested in the past in solid oxide fuel cell (SOFC) stacks, but there have ... -
A Computational Leakage Model for Solid Oxide Fuel Cell Compressive Seals
(The American Society of Mechanical Engineers (ASME), 2011)One of the key obstacles precluding the maturation and commercialization of planar solid oxide fuel cells has been the absence of a robust sealant. A computational model has been developed in ... -
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 ... -
A Controllable Membrane-Type Humidifier for Fuel Cell Applications—Part II: Controller Design, Analysis and Implementation
(The American Society of Mechanical Engineers (ASME), 2011)A membrane-based gas humidification apparatus was employed to actively manage the amount of water vapor entrained in the reactant gas supplied to a fuel cell stack. The humidification system ... -
A Degradation Measurement System for Polymer Electrolyte Membrane Fuel Cells Using a Dead-Ended Passive Stack and Time-Varying Load
(The American Society of Mechanical Engineers (ASME), 2011)A degradation measurement system has been developed for polymer electrolyte membrane fuel cells to reveal the relationship between degradation rates and electric load variations. The system involves ... -
A Detailed Three-Dimensional Simulation of an IP-SOFC Stack
(The American Society of Mechanical Engineers (ASME), 2008)A typical integrated-planar solid oxide fuel cell (IP-SOFC) consists of modules with series connected electrochemical cells printed on their outer surfaces. Oxygen is supplied to the cathodes ... -
A Dynamic Model of PEMFC System for the Simulation of Residential Power Generation
(The American Society of Mechanical Engineers (ASME), 2010)A proton exchange membrane fuel cell (PEMFC) system of residential power generator (RPG) has a different operating strategy from the PEMFC system of transportation application because of its ... -
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 ... -
A Feasibility Study of Ribbon Architecture for PEM Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2010)The feasibility of an alternative fuel cell architecture, called a ribbon membrane electrode assembly (MEA), is demonstrated for low-temperature polymer electrolyte membrane (PEM) fuel cells used ... -
A Finite Volume SOFC Model for Coal-Based Integrated Gasification Fuel Cell Systems Analysis
(The American Society of Mechanical Engineers (ASME), 2010)Integrated gasification fuel cell (IGFC) systems combining coal gasification and solid oxide fuel cells (SOFC) are promising for highly efficient and environmentally friendly utilization of coal ... -
A Full Scale Microcontroller Based Direct Methanol Fuel Cell Test Station
(The American Society of Mechanical Engineers (ASME), 2009)The development of a direct methanol fuel cell requires a fully automatic test station for understanding its characteristic and behavior. A unique design of test station for operation of a ... -
A Hybrid Experimental Model of a Solid Oxide Fuel Cell Stack
(The American Society of Mechanical Engineers (ASME), 2009)A multivariable hybrid experimental model of a solid oxide fuel cell stack is developed in this paper. The model consists of an improved radial basis function (RBF) neural network model and ... -
A Low-Order Dynamic Model for Planar Solid Oxide Fuel Cells Using Online Iterative Computation
(The American Society of Mechanical Engineers (ASME), 2008)High-fidelity dynamic models of solid oxide fuel cells (SOFCs) capture the spatial distribution of key performance variables by considering the cells as distributed parameter systems. As such, ... -
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 ... -
A Metric for Characterization of Multifunctional Fuel Cell Designs
(The American Society of Mechanical Engineers (ASME), 2011)The U.S. Army has investigated a variety of multifunctional designs in order to achieve system level mass and/or volume savings. One of the multifunctional devices developed is the multifunctional ... -
A Model for the Freeze Start Behavior of a PEM Fuel Cell Stack
(The American Society of Mechanical Engineers (ASME), 2011)A simple model for the start-up of a proton exchange membrane fuel cell stack is proposed. The model covers a wide temperature range from temperatures below the freezing point of water to ... -
A Model of a High Temperature Direct Methanol Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2013)A steadystate, isothermal, onedimensional model of a direct methanol proton exchange membrane fuel cell (PEMFC), with a polybenzimidazole (PBI) membrane, was developed. The electrode kinetics were represented by the ...