Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 81-100 of 854
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La0.5Sr0.2TiO3 خ´ Perovskite as Anode Material for Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2014)Thermal, electrical, and electrocatalytical properties of the oxygen deficient La0.5Sr0.2TiO2.95 perovskite are studied in relation to their possible use as solid oxide fuel cell (SOFC) anode material. La0.5Sr0.2TiO2.95 ... -
Effect of Compressive Pressure on the Contact Behavior Between Bipolar Plate and Gas Diffusion Layer in a Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2014)The clamping force during the assembly of proton exchange membrane (PEM) fuel cells has a great influence in the contact resistance between bipolar plate (BPP) and gas diffusion layer (GDL). In this paper, three different ... -
Nanofiber Cathode Catalyst Layer Model for a Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2014)The cathode catalyst layer in a proton exchange membrane fuel cell is now known to contain ionomer nanofibers and experiments have demonstrated a fuel cell performance increase of ∼10% due to those nanofibers. The ... -
Effect of Humidity on Carbon Monoxide Desorption Kinetics
(The American Society of Mechanical Engineers (ASME), 2014)The kinetics of carbon monoxide desorption on a platinum catalyst under humidified conditions were investigated with the steady state isotropic transient kinetic analysis (SSITKA) method. The effect of the humidity level ... -
Effect of Nonionic, Anionic, and Cationic Surfactants on the Sol Gel Synthesis of IrO Ce0.8Sm0.2O2 خ´ Nanocomposite for Solid Oxide Fuel Cell Application
(The American Society of Mechanical Engineers (ASME), 2014)The solgel technique is a versatile and relatively simple method, easily adapted to synthesize complex metal oxide formulations. The solgel technique takes advantage of the structural directing properties and templating ... -
Effect of PTFE Content and Sintering Temperature on the Properties of a Fuel Cell Electrode Backing Layer
(The American Society of Mechanical Engineers (ASME), 2014)The effects of the polytetrafluoroethylene (PTFE) content and sintering temperature on the properties of a fuel cell electrode backing layer are studied in this work. Characterization of the electrical conductivity, ... -
Investigation of Mechanical Behavior of Membrane in Polymer Electrolyte Fuel Cells Subject to Dynamic Load Changes
(The American Society of Mechanical Engineers (ASME), 2014)One of the major barriers for polymer electrolyte membrane (PEM) fuel cells to be commercially viable for stationary and transportation applications is the durability of membranes undergoing chemical and mechanical degradation ... -
Performance Analysis of a Direct Methanol Fuel Cell Stack With Bipolar Plate Incorporated With Innovative Flow Field Combination
(The American Society of Mechanical Engineers (ASME), 2014)Increasing interest in utilizing direct methanol fuel cells for portable applications has prompted the need for understanding of their operating characteristics. Approximately 80% of a direct methanol fuel cell stack's ... -
Predicting Hydrodynamic and Heat Transfer Effects of Sparger Geometry and Placement Within a Column Photobioreactor Using Computational Fluid Dynamics
(The American Society of Mechanical Engineers (ASME), 2014)This research investigates the effects of the sparger on flow patterns and heat transfer within a column photobioreactor (PBR) using computational fluid dynamics (CFD). This study compares two types of spargers: a porous ... -
Analysis of Drying and Dilution in Phosphoric Acid Fuel Cell (PAFC) Using Galvanometric Study and Electrochemical Impedance Spectroscopy
(The American Society of Mechanical Engineers (ASME), 2014)Different experimental and analytical techniques namely steady state galvanometric study and electrochemical impedance spectroscopy (EIS) are employed to generate rule sets for identification of the acid drying and dilution ... -
Investigation of Hydrodynamics and Heat Transfer Effects Due to Light Guides in a Column Photobioreactor
(The American Society of Mechanical Engineers (ASME), 2014)The objective of this research is to predict how the placement of structural light guides within a column photobioreactor (PBR) affects the fluid mechanics and heat transfer of the system. The photobioreactor studied is ... -
Design and Balance of Plant of a Demonstration Plant With a Solid Oxide Fuel Cell Fed by Biogas From Waste Water and Exhaust Carbon Recycling for Algae Growth
(The American Society of Mechanical Engineers (ASME), 2014)The design and balanceofplant of a novel anaerobic digestion (AD) biogas solid oxide fuel cell (SOFC) plant is assessed. Biogas from wastewater treatment plant is the fuel feeding the SOFC system. Simultaneous multigeneration ... -
Plasma Sprayed Y2O3 Stabilized ZrO2 Electrolyte With Improved Interlamellar Bonding for Direct Application to Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2014)Atmospheric plasma spraying was employed to prepare anode, cathode, and Y2O3stabilized ZrO2 (YSZ) electrolyte to aim at reducing manufacturing cost. YSZ electrolytes were deposited on the anode at different deposition ... -
Synthesis and Characterization of Nafion ZrOH CaO Hybrid Membrane for Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2014)NafionCaO, NafionZrOH, and NafionCaOZrOH membranes are fabricated in order to improve proton conductivity, thermal stability, and mechanical properties as well as decrease methanol crossover in direct methanol fuel cells. ... -
Effect of the Membrane Thermal Conductivity on the Performance of a Polymer Electrolyte Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2014)The thermal conductivity of the polymer electrolyte membrane (PEM) of fuel cells is an important property affecting the overall cell performance. However, very few studies or fuel cell models include the dependence of this ... -
Performance of Solid Oxide Fuel Cell With La and Cr Co Doped SrTiO3 as Anode
(The American Society of Mechanical Engineers (ASME), 2014)The La0.3Sr0.55Ti0.9Cr0.1O3خ´ (LSTC10) anode material was synthesized by citric acidnitrate process. The yttriastabilized zirconia (YSZ) electrolytesupported cell was fabricated by screen printing method using LSTC10 as ... -
Analysis of a Permselective Membrane Free Alkaline Direct Ethanol Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2014)A physical model is developed to study the coupled mass and charge transport in a permselective membranefree alkaline direct ethanol fuel cell. This type of fuel cell is not only free of expensive ion exchange membranes ... -
Polarization and Electrocatalyst Selection for Polybenzimidazole Direct Methanol Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2014)High temperature direct methanol fuel cells (DMFCs) using polybenzimidazole (PBI) membranes could improve the energy density of portable power sources. This study examines the polarization of vapor phase PBI DMFCs constructed ... -
Nonisothermal Hydrodynamic Modeling of the Flowing Electrolyte Channel in a Flowing Electrolyte–Direct Methanol Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2014)The performance of a direct methanol fuel cell (DMFC) can be significantly reduced by methanol crossover. One method to reduce methanol crossover is to utilize a flowing electrolyte channel. This is known as a flowing ... -
Study on the Influence of Current Collector on the Sudden Deterioration of Solid Oxide Fuel Cell Anode Performance
(The American Society of Mechanical Engineers (ASME), 2014)The influence of current collector on the sudden deterioration phenomena of conventional nickelyttriastabilized zirconia composite solid oxide fuel cell (SOFC) anodes operated in hydrogen with high humidity concentration ...