Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 281-300 of 854
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Zn0.6Fe0.1Cu0.3/GDC Composite Anode for Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2011)Recent research results show that homogeneity and microstructure are very important parameters for the development of low cost materials with better performance for fuel cell applications. This ... -
Diurnal Temperature and Pressure Effects on Axial Turbomachinery Stability in Solid Oxide Fuel Cell-Gas Turbine Hybrid Systems
(The American Society of Mechanical Engineers (ASME), 2011)A dynamic model of a 100 MW solid oxide fuel cell-gas turbine hybrid system has been developed and subjected to perturbations in diurnal ambient temperature and pressure as well as load sheds. ... -
Modeling Analysis of Different Renewable Fuels in an Anode Supported SOFC
(The American Society of Mechanical Engineers (ASME), 2011)It is expected that fuel cells will play a significant role in a future sustainable energy system due to their high energy efficiency and possibility to use as renewable fuels. Fuels, such ... -
Characterization and Quantification of Electronic and Ionic Ohmic Overpotential and Heat Generation in a Solid Oxide Fuel Cell Anode
(The American Society of Mechanical Engineers (ASME), 2011)The development of a solid oxide fuel cell (SOFC) with a higher efficiency and power density requires an improved understanding and treatment of the irreversibilities. Losses due to the electronic ... -
Factors Affecting the Formation of Carbon Film on the Stainless Steels for the Bipolar Plate of Polymer Electrolyte Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2011)Factors affecting the formation of carbon film by plasma-assisted chemical vapor deposition on stainless steels were investigated in detail. When the carbon coating time increased, the morphology ... -
Ultralow Carbon Dioxide Emission MCFC Based Power Plant
(The American Society of Mechanical Engineers (ASME), 2011)The application of high temperature fuel cells in stationary power generation seems to be one of the possible solutions to the problem related to the environment preservation and to the growing ... -
Orientation-Dependent Performance of Portable Proton Exchange Membrane Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2011)The effects of gravitational force on the orientation-dependent performance of portable proton exchange membrane (PEM) fuel cell using serpentine flow channels were investigated by the measurement ... -
Design and Preparation of SOFC Unit Cells Using Scandia-Stabilized Zirconia Electrolyte for Intermediate Temperature Operation
(The American Society of Mechanical Engineers (ASME), 2011)A solid oxide fuel cell unit cell based on a scandia-stabilized zirconia (ScSZ) electrolyte for intermediate temperature operation (below 650°C) was manufactured as an anode-supported unit ... -
Electrical and Thermal Performance of a Solid Oxide Fuel Cell Unit With Nonuniform Inlet Flow and High Fuel Utilization
(The American Society of Mechanical Engineers (ASME), 2011)This study investigates the electrical performance of a planar solid oxide fuel cell unit with cross-flow configuration when the fuel utilization gets higher and the fuel inlet flows are ... -
A Model for the Freeze Start Behavior of a PEM Fuel Cell Stack
(The American Society of Mechanical Engineers (ASME), 2011)A simple model for the start-up of a proton exchange membrane fuel cell stack is proposed. The model covers a wide temperature range from temperatures below the freezing point of water to ... -
Partially Oxidized Tantalum Carbonitride as New Cathodes Without Platinum Group Metals for Polymer Electrolyte Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2011)A partially oxidized TaC0.58N0.42 has been investigated as a new cathode for polymer electrolyte fuel cells. The catalytic activity for oxygen reduction reaction (ORR) significantly depended on ... -
Fuel Cell ASAP: Two Iterations of an Automated Stack Assembly Process and Ramifications for Fuel Cell Design-for-Manufacture Considerations
(The American Society of Mechanical Engineers (ASME), 2011)Polymer-electrode membrane fuel cell technology, a low-emission power source receiving much attention for its efficiency, will need to progress from low-volume production to high-volume within the ... -
The Property and Performance Differences Between Catalyst Coated Membrane and Catalyst Coated Diffusion Media
(The American Society of Mechanical Engineers (ASME), 2011)Two fuel cell architectures, differing only by the surfaces onto which the electrodes were applied, have been analyzed to determine the root causes of dissimilarities in performance. The basic ... -
Effect of Increasing Number of Residential SOFC Cogeneration Systems Involved in Power Interchange Operation in Housing Complex on Energy Saving
(The American Society of Mechanical Engineers (ASME), 2011)Residential solid oxide fuel cell cogeneration systems (R-FCGSs) have high generating efficiencies; however, they must be operated continuously because of their long warm-up times. Moreover, a ... -
Preparation and Characterization of Nanocomposite Calcium Doped Ceria Electrolyte With Alkali Carbonates (NK-CDC) for SOFC
(The American Society of Mechanical Engineers (ASME), 2011)The entire world’s challenge is to find out the renewable energy sources due to rapid depletion of fossil fuels because of their high consumption. Solid oxide fuel cells (SOFCs) are believed ... -
Dynamic Response of a High Pressure Hydrogen Generator
(The American Society of Mechanical Engineers (ASME), 2011)Hydrogen generation from catalyzed solutions of sodium borohydride has been demonstrated experimentally up to 10 MPa. Sodium borohydride solutions are nonflammable, stable in basic solution, and ... -
Modeling of Co-planar Type Single-Chamber Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2011)A two dimensional, nonisothermal numerical model of a single-chamber solid oxide fuel cell has been developed. For the sake of simplicity in developing the model, hydrogen-air mixture (80% ... -
Oxygen Nonstoichiometry and Electrochemical Properties of GdBaCo2−xFexO6−δ Double Perovskite Cathodes
(The American Society of Mechanical Engineers (ASME), 2011)Mixed ionic- and electronic-conducting perovskite-type oxides are the state-of-the-art materials for high-temperature solid-state electrochemical devices such as solid oxide fuel cells (SOFCs), oxygen ... -
Numerical Simulation for Two-Phase Flows in Fuel Cell Minichannels
(The American Society of Mechanical Engineers (ASME), 2011)This work presents direct numerical simulations of two-phase flows in fuel cell minichannels. Different two-phase flow configurations can be observed in such minichannels, which depend on gas-flow ... -
GDC-Y2O3 Oxide Based Two Phase Nanocomposite Electrolyte
(The American Society of Mechanical Engineers (ASME), 2011)Oxide based two phase composite electrolyte (Ce0.9Gd0.1O2–Y2O3) was synthesized by coprecipitation method. The nanocomposite electrolyte showed the significant performance of power density 785 mW ...