Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 601-620 of 854
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Yttrium-Doped Barium Zirconates as Ceramic Conductors in the Intermediate Temperature Range
(The American Society of Mechanical Engineers (ASME), 2008)A modified Pechini process has been used to synthesize perovskite-structured yttrium-doped barium zirconate of the form BaZr0.85Y0.15O3-δ (BZY15). The X-ray diffraction pattern for the sintered ... -
Load Response Characteristics of the Proton Exchange Membrane Fuel Cell for Individual Cold-Region Houses
(The American Society of Mechanical Engineers (ASME), 2008)The power load pattern of an individual house is a set of loads that fluctuate rapidly. If it is controlled to follow a system at rapid load fluctuation, depending on the response characteristics ... -
Process Simulation of a Neutral Emission Plant Using Chestnut’s Coppice Gasification and Molten Carbonate Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2008)The problem of CO2 emissions and the need to find new energy sources are pushing scientific research toward the use of high efficiency technologies for electric power generation that can exploit ... -
Control Strategy Optimization of a Fuel-Cell Electric Vehicle
(The American Society of Mechanical Engineers (ASME), 2008)In the last decades, due to emission reduction policies, research focused on alternative powertrains among which electric vehicles powered by fuel cells are becoming an attractive solution. The ... -
Parametric Sensitivity Analysis of Fast Load Changes of a Dynamic MCFC Model
(The American Society of Mechanical Engineers (ASME), 2008)Molten carbonate fuel cells are well suited for stationary power production and heat supply. In order to enhance service lifetime, hot spots, respectively, high temperature gradients inside the ... -
Kawagoe 300kW Class MCFC/TCG Compact System: Thermal Efficiency and Endurance Test Results
(The American Society of Mechanical Engineers (ASME), 2008)A 300kW class molten carbonate fuel cell (MCFC)/gas turbine combined compact system has been designed; the system has a 250-cell MCFC stack and a turbocharger generator (TCG) as part of its ... -
Numerical Determination of Two-Phase Material Parameters of a Gas Diffusion Layer Using Tomography Images
(The American Society of Mechanical Engineers (ASME), 2008)In this paper, we give a complete description of the process of determining two-phase material parameters for a gas diffusion layer: Starting from a 3D tomography image of the gas diffusion ... -
Flow, Transport, and Reactions in a Thin Layer Flow Cell
(The American Society of Mechanical Engineers (ASME), 2008)The performance of fuel cells depends on the rate parameters of the kinetic reactions between the involved species, among other conditions. The determination of these parameters is crucial for ... -
Fabrication and Characterization of Anode-Supported Planar Solid Oxide Fuel Cell Manufactured by a Tape Casting Process
(The American Society of Mechanical Engineers (ASME), 2008)A planar anode-supported electrolyte was fabricated using a tape casting method that involved a single step cofiring process. A standard NiO∕8YSZ cermet anode, 8mol% YSZ electrolyte, and a ... -
Bifurcation Analysis of a Two-Phase PEMFC Model
(The American Society of Mechanical Engineers (ASME), 2008)A major issue of polymer-electrolyte-membrane (PEM) fuel cell operation is the water management of the cells. This article tries to contribute to an improved understanding of flooding/drying out ... -
Modeling and Simulation of PEM Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2008)The operation of fuel cells with polymer electrolyte membranes (PEMs) is based on complex interactions of physical, chemical, and electrochemical processes on multiple scales. Understanding these ... -
Two-Phase Transport in PEM Fuel Cell Cathodes
(The American Society of Mechanical Engineers (ASME), 2008)To date, multiphase computational fluid dynamics models for proton exchange membrane (PEM) fuel cells failed to provide even a qualitative depiction of the fuel cell water management. This was ... -
Diesel Steam Reforming for PEM Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2008)Different applications for the decentralized stationary or mobile power supply require the usage of liquid hydrocarbons such as fuel oil, diesel, or gas oil in fuel cell systems. Reducing the ... -
Reaction Kinetics at the Triple-Phase Boundary in PEM Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2008)A mathematical model is developed to describe the reaction dynamics in the vicinity of the triple-phase boundary (TPB), which is an important part of the pore scale structure of the catalyst ... -
Impact of Materials and Design on Solid Oxide Fuel Cell Stack Operation
(The American Society of Mechanical Engineers (ASME), 2008)Planar SOFC stack technology based on a unique concept (SOFConnex™) uses structured gas distribution layers between unprofiled metal sheet interconnects and thin Ni-YSZ anode supported electrolyte ... -
State of the Art: Hydrogen storage
(The American Society of Mechanical Engineers (ASME), 2008)Hydrogen is often considered to be the ultimate energy source for vehicles. However, if hydrogen is to fuel practical vehicles, then the development of fuel cell and hydrogen fueled engine ... -
Publisher's Note: “A Nonisothermal PEM Fuel Cell Model Including Two Water Transport Mechanisms in the Membrane” [Journal of Fuel Cell Science and Technology, 2008, 5(1), p. 011007]
(The American Society of Mechanical Engineers (ASME), 2008)This paper, which is part of the present special issue, was published in the February 2008 issue of the Journal of Fuel Cell Science and Technology, Vol. 5, No. 1. -
Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2008)The combination of fuel cells with conventional mechanical power generation technologies (heat engines) promotes effective transformation of the chemical energy of fuels into electrical work. The ... -
Fuel Cells and Cogeneration
(The American Society of Mechanical Engineers (ASME), 2008)Although historically grown as independent energy technologies, fuel cell and cogeneration may adequately work to each other’s benefit. Some fuel cells deliver heat at sufficiently high temperatures, ... -
A Novel Design of a Cylindrical Portable Direct Methanol Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2008)Novel designs of a cylindrical and a flat portable direct methanol fuel cell (DMFC) have been proposed in this research. Experimental cells have also been fabricated. Their maximum power output ...