Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 361-380 of 854
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A New Approach for Modeling the Thermal Behavior of Methane Catalytic Partial Oxidation Monolith Reactors
(The American Society of Mechanical Engineers (ASME), 2010)A comprehensive computational model for the design of methane catalytic partial oxidation monolith reactors for hydrogen production has been developed and tested with respect to available experimental ... -
Fabrication of Anode-Supported Tubular Solid Oxide Fuel Cells by Slip Casting in Combination With Dip Coating Technique
(The American Society of Mechanical Engineers (ASME), 2010)Dense and microcrack free yttria-stabilized zirconia (YSZ) was deposited onto porous NiO-YSZ anode tubes by dip coating without any vacuum assistance. The anode tubes were prepared by slip ... -
Temperature and Current Distribution Along the Air Channel in Planar SOFC Stack: Model and Asymptotic Solution
(The American Society of Mechanical Engineers (ASME), 2010)We report a model for coupled temperature and current distributions along the single channel in planar solid-oxide fuel cell stack. Approximate analytical solution to model equations is derived; ... -
Analysis and Modeling of Novel Low-Temperature SOFC With a Co-Ionic Conducting Ceria-Based Composite Electrolyte
(The American Society of Mechanical Engineers (ASME), 2010)In recent years, ceria-based composites (CBCs) have been developed as electrolytes for low-temperature solid oxide fuel cells. These materials exhibit extremely high ionic conductivities at ... -
Investigation of Chromium Vaporization From Interconnector Steels With Spinel Coatings
(The American Society of Mechanical Engineers (ASME), 2010)The vaporization of Cr-rich volatile species from interconnector materials for high temperature solid oxide fuel cells (SOFCs) is considered to be a major source of degradation that limits the ... -
Design of Anode Materials for IT SOFC: Effect of Complex Oxide Promoters and Pt Group Metals on Activity and Stability in Methane Steam Reforming of Ni/YSZ (ScSZ) Cermets
(The American Society of Mechanical Engineers (ASME), 2010)Ni/YSZ or Ni/ScCeSZ cermets were promoted by up to 10 wt % of fluoritelike (Pr–Ce–Zr–О, La–Ce–Zr–О, and Ce–Zr–О) or perovskitelike (La–Pr–Mn–Cr–O) oxides and small (up to 1.4 wt %) amounts of ... -
A Multilevel Approach to the Energy Management of an Automotive Polymer Electrolyte Membrane Fuel Cell System
(The American Society of Mechanical Engineers (ASME), 2010)This paper deals with on-board energy management of hybrid fuel cell vehicles equipped with a polymer electrolyte membrane fuel cell (FC) stack and a battery pack as main power source and ... -
Lattice Boltzmann Modeling of Three-Dimensional, Multicomponent Mass Diffusion in a Solid Oxide Fuel Cell Anode
(The American Society of Mechanical Engineers (ASME), 2010)The lattice Boltzmann method (LBM) was used to study the three-dimensional (3D) mass diffusion of three species (H2, H2O, and N2) in the pore phase of a porous solid oxide fuel cell (SOFC) ... -
Manufacturing of High-Temperature Polymer Electrolyte Membranes—Part II: Implementation and System Model Validation
(The American Society of Mechanical Engineers (ASME), 2010)In this paper, a complex system of theoretical models, which predicts flow rate as a function of pressure drop, formulated previously by (2007, “Manufacturing of High-Temperature Polymer Electrolyte ... -
Manufacturing of High-Temperature Polymer Electrolyte Membranes—Part I: System Design and Modeling
(The American Society of Mechanical Engineers (ASME), 2010)The most important component of the fuel cell is the membrane electrolyte, having the fundamental responsibility of separating protons and electrons. Minor defects (e.g., pin holes) in the film ... -
Fuel Cell Bionic Flow Slab Design
(The American Society of Mechanical Engineers (ASME), 2010)Fuel cells possessing high potency and low pollution are well known and are considered the new generation of power technology. This study presents a novel bionic concept flow slab design to ... -
Causal Fuel Cell System Model Suitable for Transportation Simulation Applications
(The American Society of Mechanical Engineers (ASME), 2010)This paper presents a model of a whole polymer electrolyte fuel cell system including the stack, an air compressor, a cooling system, and a power converter. This model allows its integration ... -
Geometrical Optimization of Double Layer LSM/LSM-YSZ Cathodes by Electrochemical Impedance Spectroscopy
(The American Society of Mechanical Engineers (ASME), 2010)The present-day high-temperature solid oxide fuel cells (SOFCs), based on yttria-stabilized zirconia (YSZ) electrolyte, a lanthanum-strontium manganite (LSM) cathode and a nickel-YSZ cermet anode, ... -
The Institute of Power Engineering Activity in the Solid Oxide Fuel Cell Technology
(The American Society of Mechanical Engineers (ASME), 2010)Electrolyte supported cells (ESC) were manufactured using tape casting and screen printing technology and the corresponding anode supported cells (ASC) manufacturing is currently under development. ... -
In Situ Fuel Cell Water Metrology at the NIST Neutron Imaging Facility
(The American Society of Mechanical Engineers (ASME), 2010)Neutron imaging has been demonstrated to be a powerful tool to measure the in situ water content of commercial proton exchange membrane fuel cells (PEMFCs) in two and three dimensions. The ... -
Water Management Issues for Direct Borohydride/Peroxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2010)This study evaluated water management strategies to lengthen the run time of a batch fueled direct sodium borohydride/peroxide (NaBH4/H2O2) proton exchange membrane fuel cell. The term “batch ... -
Durability Test Results of a Polymer Electrolyte Membrane Fuel Cell Operated at Overnominal Temperature With Low Humidified Reactants
(The American Society of Mechanical Engineers (ASME), 2010)A three-cell polymer electrolyte membrane fuel cell stack equipped with perfluorinated ionomer membranes is tested for 1000 h in severe operating conditions. The fuel cell (FC) is fed by dry ... -
Scaling a Solid Oxide Fuel Cell Gas Turbine Hybrid System to Meet a Range of Power Demand
(The American Society of Mechanical Engineers (ASME), 2010)In recent years there has been significant interest in using the heat generated from the normal operation of a solid oxide fuel cell (SOFC) to supplant the normal combustion process of a gas ... -
Elucidating Liquid Water Distribution and Removal in an Operating Proton Exchange Membrane Fuel Cell via Neutron Radiography
(The American Society of Mechanical Engineers (ASME), 2010)Neutron radiography was used to quantify the steady-state water content and its distribution in a 50 cm2 operating proton exchange membrane fuel cell. It was observed that the liquid water ... -
A Study of Temperature Distribution Across a Solid Oxide Fuel Cell Stack
(The American Society of Mechanical Engineers (ASME), 2010)In this work, a three-dimensional model of a solid oxide fuel cell (SOFC) stack is developed to predict the temperature distribution across the stack. The model simulates a particular SOFC ...