Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 501-520 of 854
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Sensitivity Analysis of a 2.5kW Proton Exchange Membrane Fuel Cell Stack by Statistical Method
(The American Society of Mechanical Engineers (ASME), 2009)This paper describes the application of statistical analysis to a 2.5kW proton exchange membrane fuel cell stack operation, by experimental design methodology, whereby robust design conditions ... -
The Cathode Airflow Effect on the Direct Methanol Fuel Cell From Single Cell to a Planar Module
(The American Society of Mechanical Engineers (ASME), 2009)A series of experiments was conducted to examine the cathode airflow effect on a direct methanol fuel cell (DMFC) via the views of both airflow rate and airflow velocity from a single cell ... -
Development of a Detailed Planar Solid Oxide Fuel Cell Computational Fluid Dynamics Model for Analyzing Cell Performance Degradation
(The American Society of Mechanical Engineers (ASME), 2009)Solid oxide fuel cells (SOFC) are a promising technology for distributed electricity generation and cogeneration. Numerous papers have been published in the past several years proposing ... -
Location and Magnitude of Heat Sources in Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2009)The correct prediction of the temperature distribution is a prerequisite for the reliable determination of species and current distributions in any solid oxide fuel cell (SOFC) model. It is ... -
Performance Improvement of a Proton Exchange Membrane Fuel Cell Through the Electrode Structure Change
(The American Society of Mechanical Engineers (ASME), 2009)A new hydrophobic micropillared structure for the electrode of a proton exchange membrane fuel cell (PEMFC) is proposed in this study. Its performance has a 40% increase over the conventional ... -
Characterization of Anode-Supported Solid Oxide Fuel Cells With PSCF Cathode
(The American Society of Mechanical Engineers (ASME), 2009)A systematic study was initiated of anode-supported single cells with Pr0.58Sr0.4Co0.2Fe0.8O3−δ (PSCF) cathode. These solid oxide fuel cells (SOFCs) were characterized by electrochemical and diffusion ... -
Thermofluid-Dynamic Analysis of Circular-Planar Type Intermediate-Temperature Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2009)This work presents a computational thermofluid-dynamic analysis of circular-planar type intermediate-temperature solid oxide fuel cells (SOFCs), based on the Hexis design. A single cell, representative ... -
La0.8Sr0.2Co0.8Fe0.2O3 Nanoparticles Formed in Micropores of La0.8Sr0.2MnO3–Yttria Stabilized Zirconia Cathodes
(The American Society of Mechanical Engineers (ASME), 2009)La0.8Sr0.2Co0.8Fe0.2O3 (LSCF) nanoparticles are formed in micropores of La0.8Sr0.2MnO2(LSM)-yttria stabilized zirconia (YSZ) cathodes by reaction-infiltration method. Bismuth nitrate is added in the ... -
Dynamic Analysis of Planar Solid Oxide Fuel Cell Models With Different Assumptions of Temperature Layers
(The American Society of Mechanical Engineers (ASME), 2009)As solid oxide fuel cell (SOFC) technology is rapidly evolving, high-fidelity mathematical models based on physical principles have become essential tools for SOFC system design and analysis. ... -
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 ... -
Generic Real-Time Modeling of Solid Oxide Fuel Cell Hybrid Systems
(The American Society of Mechanical Engineers (ASME), 2009)Real-time (RT) modeling is a recognized approach to monitor advanced systems and to improve control capabilities. Applications of RT models are commonly used in the automotive and aerospace ... -
Nonconventional Fuels for High-Temperature Fuel Cells: Status and Issues
(The American Society of Mechanical Engineers (ASME), 2009)The pressing environmental and political necessities of modern international society call for a suitable array of contingency solutions to the energy question. One valid alternative to fossil ... -
A Virtual Prototype of Proton Exchange Membrane Fuel Cell Using VHDL-AMS Language
(The American Society of Mechanical Engineers (ASME), 2009)The aim of this paper is to introduce a novel modeling method for the Proton exchange membrane full cell (PEMFC) based on the novel concept of “virtual prototyping” and to present a simple ... -
Inversion-Based Control of a Proton Exchange Membrane Fuel Cell System Using Energetic Macroscopic Representation
(The American Society of Mechanical Engineers (ASME), 2009)This paper introduces a fuel cell system model based on energetic macroscopic representation (EMR). EMR is a causal graphic modeling approach to describe complex multidomain systems, which ... -
LSM Cathodes Infiltrated With Er2O3 Stabilized Bi2O3
(The American Society of Mechanical Engineers (ASME), 2009)The La0.8Sr0.2MnO3 perovskite oxide (LSM) electrode was infiltrated with Er2O3 stabilized Bi2O3 (ESB) to improve the cathode performance of intermediate temperature solid oxide fuel cells. ESB ... -
Modeling Carbon Monoxide Direct Oxidation in Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2009)In the present study, the results of the numerical implementation of a mathematical model of a planar anode-supported SOFC are reported. In particular, model results are validated and discussed ... -
Development of Micro- to Macropores in Conductive Polymer-Based Gas Diffusion Layers for Proton Exchange Membrane Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2009)The aim of this work is to improve the porosity of gas diffusion layers (GDLs) for proton exchange membrane fuel cell electrodes. These GDLs are made by twin-screw extrusion process from ... -
All-Perovskite Solid Oxide Fuel Cells, Synthesis and Characterization
(The American Society of Mechanical Engineers (ASME), 2009)Strontium- and magnesium-doped lanthanum gallate (LSGM) has been considered as a promising electrolyte for solid oxide fuel cell (SOFC) systems in recent years. In this work synthesis, electrochemical ... -
Polymer Electrolyte Fuel Cell Design Based on Three-Dimensional Computational Fluid Dynamics Modeling
(The American Society of Mechanical Engineers (ASME), 2009)An entirely numerical design procedure, based on computational fluid dynamics, is introduced to evaluate the performance of different polymer electrolyte fuel cell layouts and sets of operating ... -
A New Concept for High Temperature Fuel Cell Hybrid Systems Using Supercritical Carbon Dioxide
(The American Society of Mechanical Engineers (ASME), 2009)Hybrid power systems based on high temperature fuel cells are a promising technology for the forthcoming distributed power generation market. For the most extended configuration, these systems ...