Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 301-320 of 854
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Electrical Performance of PEM Fuel Cells With Different Gas Diffusion Layers
(The American Society of Mechanical Engineers (ASME), 2011)The microporous layer (MPL) is a key component of polymer electrolyte membrane fuel cells (PEM-FCs), and it is in charge of the gas and water management at the electrode-gas diffusion layer ... -
Direct JP-8 Conversion Using a Liquid Tin Anode Solid Oxide Fuel Cell (LTA-SOFC) for Military Applications
(The American Society of Mechanical Engineers (ASME), 2011)A liquid tin anode solid oxide fuel cell (LTA-SOFC) is actively being developed for direct utilization of JP-8 logistic fuel. Since its invention in 1998, the LTA-SOFC has demonstrated the ... -
Examination of the Effect of System Pressure Ratio and Heat Recuperation on the Efficiency of a Coal-Based Gas Turbine Fuel Cell Hybrid Power Generation System With CO2 Capture
(The American Society of Mechanical Engineers (ASME), 2011)This paper examines two coal-based hybrid configurations that employ separated anode and cathode streams for the capture and compression of CO2. One configuration uses a standard Brayton cycle, ... -
Stainless Steel/Yttria Stabilized Zirconia Composite Supported Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2011)In this paper composite supports for solid oxide fuel cells were fabricated and evaluated. Substrates were composed of stainless steel and yttria stabilized zirconia (YSZ) powders mixed in ... -
A Computational Leakage Model for Solid Oxide Fuel Cell Compressive Seals
(The American Society of Mechanical Engineers (ASME), 2011)One of the key obstacles precluding the maturation and commercialization of planar solid oxide fuel cells has been the absence of a robust sealant. A computational model has been developed in ... -
Numerical Simulation of Operating Parameters in a Methane Fueled Steam Reforming Reactor
(The American Society of Mechanical Engineers (ASME), 2011)This paper studies the heat and mass transfer characteristics in a steam reforming reactor using numerical simulation and investigates the operating parameters for effective hydrogen production. ... -
Thermodynamic Analysis and Optimization of IT-SOFC-Based Integrated Coal Gasification Fuel Cell Power Plants
(The American Society of Mechanical Engineers (ASME), 2011)This work discusses the thermodynamic analysis of integrated gasification fuel cell plants, where a simple cycle gas turbine works in a hybrid cycle with a pressurized intermediate temperature–solid ... -
Nanoscale Gd-Doped CeO2 Buffer Layer for a High Performance Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2011)Gd2O3-doped ceria (GCO) is irreplaceable as interface/buffer layer between a mixed conducting cathode such as La0.58Sr0.4Co0.2Fe0.8O3-δ (LSCF) and an 8 mol %Y2O3 stabilized ZrO2 (8YSZ) thin film ... -
Relationship Between Oxide-Ion Conductivity and Ordering of Oxygen Vacancy in the Ln2 Zr2 O7 (Ln = La, Nd, Eu) System Using High Temperature XRD
(The American Society of Mechanical Engineers (ASME), 2011)The pyrochlore-type Ln2 Zr2 O7 (Ln = La, Nd, Eu) systems were refined by Rietveld analyses of XRD data combined with the MEM-based pattern fitting at RT, 873, 1073, and 1273 K. All the ... -
Modeling of Overpotentials in an Anode-Supported Planar SOFC Using a Detailed Simulation Model
(The American Society of Mechanical Engineers (ASME), 2011)In this paper results from a parameter study of an anode-supported solid oxide fuel cell (SOFC) are presented. The effects on performance, current-voltage (I-V) characteristics, polarization ... -
A Review of the Implications of Silica in Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2011)Silica is a well-known impurity in solid oxide fuel cell raw materials, namely NiO and yttria-stabilized zirconia (YSZ). At elevated temperatures silica will migrate to the grain boundaries, ... -
Design and Development of a Sheet Metal Plastic Backed Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2011)The high costs associated with fuel cell manufacturing have precluded its production on a large scale. The major emphasis of the present wok is to bring down the overall cost of an independent ... -
Nanomaterials-Based PEM Electrodes by Combining Chemical and Physical Depositions
(The American Society of Mechanical Engineers (ASME), 2011)The real market penetration of polymer electrolyte fuel cells is hindered by the high cost of this technology mainly due to the expensive platinum catalyst. Two approaches are followed to ... -
Sintering Characteristics and Electrical Conductivity of (Sr1−x Lax )TiO3 Synthesized by the Citric Acid Method
(The American Society of Mechanical Engineers (ASME), 2011)The air-sintering characteristics and electrical conductivity of (Sr1−x Lax )TiO3 perovskites (0 ≤ x ≤ 0.3) synthesized by the citric acid method were evaluated in terms of their use as ... -
A Metric for Characterization of Multifunctional Fuel Cell Designs
(The American Society of Mechanical Engineers (ASME), 2011)The U.S. Army has investigated a variety of multifunctional designs in order to achieve system level mass and/or volume savings. One of the multifunctional devices developed is the multifunctional ... -
Synthesis of La0.8 Sr0.2 Co0.8 Fe0.2 O3 Nanopowders and Their Application in Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2011)La0.8 Sr0.2 Co0.8 Fe0.2 O3 (LSCF) nanopowders, which are being investigated as a promising cathode material for low-temperature solid oxide fuel cells (SOFCs), were synthesized by citric acid ... -
Experimental Investigation on a Novel Electrolyte Configuration for Cylindrical Molten Carbonate Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2011)An experimental investigation on a novel electrolyte configuration for molten carbonate fuel cells (MCFCs) is presented. A single cell facility was built. The cell is characterized by a cylindrical ... -
Temperature Control of a SOFC and MGT Hybrid System
(The American Society of Mechanical Engineers (ASME), 2011)Transients in a load have a significant impact on the performance and durability of a solid oxide fuel cell (SOFC) integrated into a micro gas turbine (MGT) hybrid power system. One of the ... -
Development of a Dynamic Cathode Ejector Model for Solid Oxide Fuel Cell-Gas Turbine Hybrid Systems
(The American Society of Mechanical Engineers (ASME), 2011)Solid oxide fuel cell-gas turbine (SOFC-GT) hybrid systems are attractive for future power generation with ultra-low criteria pollutant and greenhouse gas emissions. One of the challenges for ... -
Evaluation of SrTi1−x Cox O3 Perovskites (0 ≤ x ≤ 0.2) as Interconnect Materials for Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2011)The compatibility of SrTi1− x Cox O3 perovskites (0 ≤ x ≤ 0.2) was evaluated for use as interconnect materials in solid oxide fuel cells (SOFCs). Although SrTi1− x Cox O3 perovskites have ...