Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 421-440 of 854
-
Design, Simulation and Control of a 100 MW-Class Solid Oxide Fuel Cell Gas Turbine Hybrid System
(The American Society of Mechanical Engineers (ASME), 2010)A 100 MW-class planar solid oxide fuel cell synchronous gas turbine hybrid system has been designed, modeled, and controlled. The system is built of 70 functional fuel cell modules, each ... -
Modeling and Simulations of Polymer Electrolyte Membrane Fuel Cells With Poroelastic Approach for Coupled Liquid Water Transport and Deformation in the Membrane
(The American Society of Mechanical Engineers (ASME), 2010)Performance degradation and durability of polymer electrolyte membrane (PEM) fuel cells depend strongly on transport and deformation characteristics of their components especially the polymer membrane. ... -
Using Linear Control Theory for Parameterization of a Controller for a SOFC/GT Hybrid Power Plant
(The American Society of Mechanical Engineers (ASME), 2010)The purpose of the current work is to develop an appropriate control system for a solid oxide fuel cell/gas turbine hybrid system. The main focus lies on the usage of linear control theory ... -
Recent Development of Microceramic Reactors for Advanced Ceramic Reactor System
(The American Society of Mechanical Engineers (ASME), 2010)Ceramic reactors, which convert materials and energy electrochemically, are expected to solve various environmental problems, and the use of a microreactor design was shown to realize a high ... -
Fabrication of Metallic Bipolar Plates for Proton Exchange Membrane Fuel Cell by Flexible Forming Process-Numerical Simulations and Experiments
(The American Society of Mechanical Engineers (ASME), 2010)PEM fuel cell nowadays is expensive for widespread commercialization, though it has obvious advantages, such as high efficiency, high power density, fast startup and high system robustness. As ... -
Evaluation of the Performance Characteristics and Modeling of an Alkaline Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2010)Alkaline fuel cells are one of the low cost types of fuel cells. In this contribution, the performance of an alkaline fuel cell was investigated by varying different operational parameters. ... -
Development of a Reference Electrode for a PEMFC Single Cell Allowing an Evaluation of Plate Potentials
(The American Society of Mechanical Engineers (ASME), 2010)Increasing lifetime and performance is critical for proton exchange membrane fuel cell (PEMFC) using stainless steel plates. A good compromise between passivity and electrical contact resistance ... -
Particle Image Velocimetry and Computational Fluid Dynamics Analysis of Fuel Cell Manifold
(The American Society of Mechanical Engineers (ASME), 2010)The inlet effect on the manifold flow in a fuel cell stack was investigated by means of numerical methods (computational fluid dynamics) and experimental methods (particle image velocimetry). ... -
A Novel Input Ripple Current Suppressing Topology Configuration and Controller for Residential Fuel Cell Power Conditioning System
(The American Society of Mechanical Engineers (ASME), 2010)Proton exchange membrane fuel cell (PEMFC)’s power conditioning system (PCS) for residential application always contains two stage converter configuration of the dc-dc converter and the power grid ... -
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 ... -
Kinetic Analysis of C4 Alkane and Alkene Pyrolysis: Implications for SOFC Operation
(The American Society of Mechanical Engineers (ASME), 2010)Pyrolysis experiments of isobutane, isobutylene, and 1-butene were performed over a temperature range of 550–750°C and a pressure of ∼0.8 atm. The residence time was ∼5 s. The fuel conversion ... -
Evaluation of the Performance Characteristics of a Direct Methanol Fuel Cell With Multifuels
(The American Society of Mechanical Engineers (ASME), 2010)Direct methanol fuel cells are one of the alternate power sources for the field of power electronics because of their high energy density. The benefits of a fuel cell toward the environment ... -
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 ... -
Constant Fuel Utilization Operation of a SOFC System: An Efficiency Viewpoint
(The American Society of Mechanical Engineers (ASME), 2010)The operating conditions of a solid oxide fuel cell (SOFC) system that result in maximum efficiency needs to be studied by considering the whole closed circuit system because operating at ... -
Increased Cathodic Kinetics on Platinum in IT-SOFCs by Inserting Highly Ionic-Conducting Nanocrystalline Materials
(The American Society of Mechanical Engineers (ASME), 2010)One of the crucial factors for improving intermediate-temperature solid oxide fuel cell (SOFC) performance relies on the reduction in the activation loss originating from limited electrode reaction ... -
Electroless Deposition and Characterization of PtxRu1−x Catalysts on Pt/C Nanoparticles for Methanol Oxidation
(The American Society of Mechanical Engineers (ASME), 2010)The electroless deposition of PtxRu1−x catalysts using hydrazine dihydrochloride or formic acid as the reducing agent in a modified Leaman bath was investigated. The effect of potential on the ... -
Vector Evaluated Particle Swarm Optimization (VEPSO) of Supersonic Ejector for Hydrogen Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2010)Fuel cells are emerging as alternate green power producers for both large power production and for use in automobiles. Hydrogen is seen as the best option as a fuel; however, hydrogen fuel ... -
Local Voltage Degradations (Drying and Flooding) Analysis Through 3D Stack Thermal Modeling
(The American Society of Mechanical Engineers (ASME), 2010)Temperature is a key parameter of fuel cell efficiency. In air cooled fuel cell stacks, large temperature disparities are observed. This temperature distribution has a significant influence on ... -
Characterization of Gas Diffusion Electrodes for Polymer Electrolyte Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2010)Gas diffusion electrodes (GDEs), applied in polymer electrolyte fuel cells, are composed of a multilayer structure containing porous carbon materials and noble metal catalyst. Gas diffusion layer ... -
The Effect of Inlet Parameters on Fluid Flow and Cell Performance at Cathode of a Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2010)In this study, the fluid flow and cell performance in cathode side of a proton exchange membrane (PEM) fuel cell were numerically analyzed. The problem domain consists of cathode gas channel, ...