Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 161-180 of 854
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Effects of Polymer Binder in Electrolyte Slurries and Their Microtubular SOFC Applications
(The American Society of Mechanical Engineers (ASME), 2013)The electrolyte slurry was prepared by mixing Gddoped CeO2(GDC), solvent (ethanol and toluene), a polymer (polyvinyl butyral (PVB)) binder, and a dispersant (an amine system). The slurries were processed by an atomization ... -
Catalytic Steam Reforming of Glycerol Over Cerium and Palladium Based Catalysts for Hydrogen Production
(The American Society of Mechanical Engineers (ASME), 2013)In this work, catalytic steam reforming of glycerol for hydrogen production was performed over Ce/Al2O3 and Pd/Al2O3 catalysts prepared via the impregnation method. The catalysts were characterized by scanning electron ... -
Classification and Fault Detection Methods for Fuel Cell Monitoring and Quality Control
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, various types of fault detection methods for fuel cells are compared. For example, those that use a model based approach or a data driven approach or a combination of the two. The potential advantages and ... -
Simulation of Surface Reactions and Multiscale Transport Processes in a Composite Anode Domain Relevant for Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2013)There are various transport phenomena (gasphase species, heat, and momentum) occurring at different length scales in anodesupported solid oxide fuel cells (SOFCs), which are strongly affected by catalytic surface reactions ... -
Degradation Issues in Solid Oxide Cells During High Temperature Electrolysis
(The American Society of Mechanical Engineers (ASME), 2012)Idaho National Laboratory (INL) is performing high-temperature electrolysis research to generate hydrogen using solid oxide electrolysis cells (SOECs). The project goals are to address the technical ... -
CO2 Separation From Combined Cycles Using Molten Carbonate Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2012)This paper presents an analysis of advanced cycles with limited CO2 emissions based onthe integration of molten carbonate fuel cells (MCFCs) in natural gas fired combined cycles (NGCC) in order ... -
Maximizing the Use of Platinum Catalyst by Ultrasonic Spray Application
(The American Society of Mechanical Engineers (ASME), 2012)The following discusses the method and advantages of ultrasonic deposition of carbon-based platinum ink solution onto catalytic membranes in the manufacture of platinum-based fuel cells, doubling ... -
HeteroFoaMs: Electrode Modeling in Nanostructured Heterogeneous Materials for Energy Systems
(The American Society of Mechanical Engineers (ASME), 2012)Heterogeneous functional materials, e.g., “HeteroFoaMs” are at the heart of countless energy systems, including heat storage materials, batteries, solid oxide fuel cells, and polymer electrolyte ... -
A Two-Dimensional Modeling Study of a Planar SOFC Using Actual Cell Testing Geometry and Operating Conditions
(The American Society of Mechanical Engineers (ASME), 2012)This paper reports a new electrochemical performance study performed on a planar SOFC cell. This study consists of a 2D model developed using a commercial software, namely Comsol Multiphysics. ... -
Dynamic Modeling of a Compact Heat Exchange Reformer for High Temperature Fuel Cell Systems
(The American Society of Mechanical Engineers (ASME), 2012)Solid oxide fuel cells (SOFC) are the most advanced energy system with the highest thermal efficiency. Current trend of research is on less than 10 kW scale, which requires compact fuel ... -
Fabrication Characteristics of SOFC Single Cell Using Nanocrystalline 1Ce10ScSZ Electrolyte Powder prepared by Co-Precipitation Process
(The American Society of Mechanical Engineers (ASME), 2012)Nanocrystalline ceria-doped scandia-stabilized zirconia (1Ce10ScSZ) powders were prepared via the co-precipitation process for solid oxide fuel cell. The effects of the calcination temperature on ... -
Advanced Study of Non-Uniform Cell Voltage Distribution for a PEMFC Stack
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, a fully coupled non-isothermal, electrochemical, and transport 3D model for a 10-cell PEMFC stack with coolant channels is constructed and implemented to examine and compare the ... -
PEMFC Flow Channel Geometry Optimization: A Review
(The American Society of Mechanical Engineers (ASME), 2012)The proton exchange membrane fuel cell (PEMFC) is a particularly promising energy conversion device for use in stationary or vehicular applications. PEMFCs provide high efficiency and power ... -
Quantifying Individual Losses in a Direct Methanol Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2012)Studying the performance of a direct methanol fuel cell (DMFC) is complicated by the complex interactions of kinetic and transport processes. As a result, changes in one aspect of the cell ... -
Densification of Plasma Sprayed SOFC Electrolyte Layer Through Infiltration With Aqueous Nitrate Solution
(The American Society of Mechanical Engineers (ASME), 2012)Electrolyte of the solid oxide fuel cells deposited by atmospheric plasma spraying of 8 mol.% yttria (8YSZ), is not applicable in as sprayed condition. Optimization of the plasma spraying process ... -
Modeling, Control, and Integration of a Portable Solid Oxide Fuel Cell System
(The American Society of Mechanical Engineers (ASME), 2012)A novel method for the control and integration of a portable hybrid solid oxide fuel cell (SOFC) system, based on hydrocarbon fuel, is presented in this paper. The balance of plant (BOP) and ... -
A Two-Dimensional Model for CO2 /Fuel Multiphase Flow on the Anode Side of a DMFC
(The American Society of Mechanical Engineers (ASME), 2012)Increasing the efficiency of passive fuel cells is a significant hurdle in commercializing small fuel cells. By understanding the interactions within a single cell, possibilities for further ... -
The Effects of Membrane Properties and Structural Parameters on the Non-Minimum Phase Behavior of the PEM Fuel Cell Humidification System
(The American Society of Mechanical Engineers (ASME), 2012)The water vapor transfer across a Nafion® membrane exhibits an undesired non-minimum phase behavior. This paper will show that even in the disturbance-to-output loop, the non-minimum phase ... -
Investigation of the Effects of Catalyst Loading and Gas Flow Rate on Polymer Electrolyte Membrane (PEM) Fuel Cell Performance and Degradation
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, the effects of gas flow rates and catalyst loading on polymer electrolyte membrane fuel cell (PEMFC) performance was investigated using a 50 cm2 active area fuel cell fixture ... -
Design of a Membraneless Passive Planar Four-Cell Direct Borohydride Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2012)The use of noble catalysts and ion exchange membranes make the design of a direct borohydride fuel cell (DBFC) stack complicate and limit its application. Therefore, the development of simple, ...