Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 321-340 of 854
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Design and Experimental Characterization of a High-Temperature Proton Exchange Membrane Fuel Cell Stack
(The American Society of Mechanical Engineers (ASME), 2011)Proton exchange membrane (PEM) fuel cells based on polybenzimidazole (PBI) polymers and phosphoric acid can be operated at temperature between 120 °C and 180 °C. Reactant humidification ... -
Synthesis and Characterization of Polyurethanic Proton Exchange Membranes
(The American Society of Mechanical Engineers (ASME), 2011)Novel proton exchange membranes have been prepared by in synthesis functionalization of a polyurethane matrix with a sulfonic group containing chain terminals. The synthesis procedure was based ... -
Steam Electrolysis Characteristics for Various H2 and O2 Concentrations in Supply Gases
(The American Society of Mechanical Engineers (ASME), 2011)The steam electrolysis performance of a Ni-based electrode-supported tubular cell with a Sc2 O3 -stabilized ZrO2 electrolyte was evaluated at 650°C for various concentrations of H2 and O2 ... -
A-Site and B-Site Non-stoichiometry and Sintering Characteristics of (Sr1−x Lax )1−y Ti1−z O3 Perovskites
(The American Society of Mechanical Engineers (ASME), 2011)The A-Site and B-Site non-stoichiometry and sintering characteristics of (Sr1− x Lax )1− y Ti1− z O3 perovskites were studied using samples prepared by solid-state mixing. A-Site or B-Site ... -
Monte Carlo Investigation of Particle Properties Affecting TPB Formation and Conductivity in Composite Solid Oxide Fuel Cell Electrode-Electrolyte Interfaces
(The American Society of Mechanical Engineers (ASME), 2011)A previously developed microstructure model of a solid oxide fuel cell (SOFC) electrode-electrolyte interface has been applied to study the impacts of particle properties on these interfaces ... -
Optimum Performance of a Regenerative Gas Turbine Power Plant Operating With/Without a Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2011)Optimum pressure ratios of a regenerative gas turbine (RGT) power plant with and without a solid oxide fuel cell are investigated. It is shown that assuming a constant specific heat ratio ... -
Robust Real-Time Optimization of a Solid Oxide Fuel Cell Stack
(The American Society of Mechanical Engineers (ASME), 2011)On-line control and optimization can improve the efficiency of fuel cell systems, whilst simultaneously ensuring that the operation remains within a safe region. Also, fuel cells are subject to ... -
Elastic Brittle Damage Model of Ni-YSZ and Predicted Stress–Strain Relations as a Function of Temperature and Porosity
(The American Society of Mechanical Engineers (ASME), 2011)Nickel-yttria stabilized zirconia (Ni-YSZ) is the most widely used material for solid oxide fuel cell (SOFC) anodes. Anode-supported SOFCs rely on the anode to provide mechanical strength to the ... -
Accelerated Lifetime Testing for Proton Exchange Membrane Fuel Cells Using Extremely High Temperature and Unusually High Load
(The American Society of Mechanical Engineers (ASME), 2011)In this paper, two testing protocols were developed in order to accelerate the lifetime testing of proton exchange membrane (PEM) fuel cells. The first protocol was to operate the fuel cell ... -
Systems Modeling of Chemical Hydride Hydrogen Storage Materials for Fuel Cell Applications
(The American Society of Mechanical Engineers (ASME), 2011)A fixed bed reactor was designed, modeled and simulated for hydrogen storage on-board the vehicle for PEM fuel cell applications. Ammonia borane was selected by DOE’s Hydrogen Storage Engineering ... -
Fabrication and Characterization of an Anode-Side, Substrate-Supported Planar SOFC
(The American Society of Mechanical Engineers (ASME), 2011)This paper describes a simple and reliable method of fabricating an anode-side, substrate-supported (AS-SS) planar cell constructed of a porous 3YSZ support and thin, selective-area layers of ... -
Experimental Study of Effects of Operating Conditions on Water Transport Phenomena in the Cathode of Polymer Electrolyte Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2011)Water management in polymer electrolyte membrane fuel cells is important because fuel cell performance may be lower when flooding emerges. In addition, the proton conductivity and water transport ... -
A Theoretical Study of the Carbon/Carbonate/Hydroxide (Electro-) Chemical System in a Direct Carbon Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2011)Both the hydroxide and the carbonate melt are proposed and tested by researchers trying to develop a DCFC (Direct Carbon Fuel Cell). It is well known that the hydroxide melt is not stable ... -
The Use of a High Temperature Wind Tunnel for MT-SOFC Testing—Part II: Use of Computational Fluid Dynamics Software in Order to Study Previous Measurements
(The American Society of Mechanical Engineers (ASME), 2011)Micro-tubular solid oxide fuel cells (MT-SOFCs) are a much smaller version of larger tubular SOFCs. They are operational within seconds and allow a higher power density per volume than the ... -
Performance Evaluation of Solid Oxide Fuel Cell Engines Integrated With Single/Dual-Spool Turbochargers
(The American Society of Mechanical Engineers (ASME), 2011)This study investigates the performance and operating characteristics of 5kW-class solid oxide fuel cell and gas turbine (SOFC/GT) hybrid systems for two different configurations, namely single- ... -
Design Methodology of a Proton Exchange Membrane Modular Fuel Cell of 100 W Power Output
(The American Society of Mechanical Engineers (ASME), 2011)The design of the fuel cell plays a major role in determining their cost. It is not only the cost of materials that increases the cost of the fuel cell, but also the manufacturing techniques ... -
Simultaneous Turbine Speed Regulation and Fuel Cell Airflow Tracking of a SOFC/GT Hybrid Plant With the Use of Airflow Bypass Valves
(The American Society of Mechanical Engineers (ASME), 2011)This paper studies a novel control methodology aimed at regulating and tracking turbo machinery synchronous speed and fuel cell mass flow rate of a SOFC/GT hardware simulation facility with the ... -
Fuel Flexibility of Anode-Supported Planar Solid Oxide Fuel Cell Evaluated With Developed Simulated-Reformate-Gas Generator
(The American Society of Mechanical Engineers (ASME), 2011)Background: In general, solid oxide fuel cell (SOFC) systems are said to be flexible to various kind of fuels such as natural gas and petroleum gas. The fuels are reformed at a reformer and ... -
Fabrication of Ba(Ce, Zr)0.9 Y0.1 O3-α Thin Film on a Dense Pd Substrate by Ultraviolet Metalorganic Deposition
(The American Society of Mechanical Engineers (ASME), 2011)The formation of dense thin films to obtain an intermediate temperature solid oxide fuel cell (IT-SOFC) that uses Ba(Ce1−x Zrx )0.9 Y0.1 O3−α (BCZYO, x = 0, 0.3, 1) as the proton conductor ... -
Characterization and Development of Bio-Ethanol Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2011)Bio-ethanol based fuel cell is an energy source with a promising future. The low temperature solid oxide fuel cell fed by direct bio-ethanol is receiving considerable attention as a clean and ...