Journal of Fuel Cell Science and Technology
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Modeling and Temperature Analysis of the Nexa 1.2 kW Fuel Cell System
(The American Society of Mechanical Engineers (ASME), 2015)The United Arab Emirates (UAE) has been exploring several renewable and green technologies to help reduce the increasing pollution rates. However, its coarse climate might impose some limitations toward the types of green ... -
Analysis of Input Current Ripple and Optimum Filter Capacitor for Fuel Cell Based Single Phase Inverter
(The American Society of Mechanical Engineers (ASME), 2015)Most singlephase inverters, being sourced by fuel cell stacks (FCSs), subject the stacks to reflected lowfrequency (120 Hz) current ripples that ride on average dc currents. The ripple current impacts the sizing and ... -
Experimental and Computational Evaluation of Performance and Water Management Characteristics of a Bio Inspired Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2015)A bioinspired proton exchange membrane (PEM) fuel cell with a flow field that mimics a leaf pattern is experimentally and computationally evaluated. Experiments are conducted using a transparent assembly for direct ... -
Depositing Catalyst Layers in Polymer Electrolyte Membrane Fuel Cells: A Review
(The American Society of Mechanical Engineers (ASME), 2015)Fuel cell technology continues to advance and offers to be a potentially promising solution to many energy needs. Of particular interest are manufacturing techniques to improve performance and decrease overall cost. For ... -
Carbon Deposition Simulation in Porous SOFC Anodes: A Detailed Numerical Analysis of Major Carbon Precursors
(The American Society of Mechanical Engineers (ASME), 2015)Solid oxide fuel cells (SOFCs) can be operated on a wide range of fuels, including hydrocarbons. Such a fuel supply includes the risk of carbon formation on the catalytically active nickel centers within the porous anodic ... -
Mechanistic Three Dimensional Analytical Solutions for a Direct Liquid Fuel Cell Stack
(The American Society of Mechanical Engineers (ASME), 2015)An optimal or near to optimal design and operation of a direct liquid fuel cell (DLFC) stack requires an understanding of the relevant physical phenomena across length scales in the stack. In particular, perturbations ... -
Experimental Characterization Method of the Gas Diffusion Layers Compression Modulus for High Compressive Loads and Based on a Dynamic Mechanical Analysis
(The American Society of Mechanical Engineers (ASME), 2015)In a proton exchange membrane fuel cell (PEMFC), gas diffusion layers (GDLs) play a major role in the overall system performances. This is the reason why many research investigations try to model and optimize the GDL ... -
Synthesis and Characterization of Polyion Complex Membranes Made of Aminated Polyetherimide and Sulfonated Polyethersulfone for Fuel Cell Applications
(The American Society of Mechanical Engineers (ASME), 2015)Acid–base blends of sulfonated polyethersulfone (SPES) with pristine and aminated polyetherimide (APEI) are synthesized. Three blends polyethersulfone (PES)/polyetherimide (PEI), SPES/PEI, and SPES/APEI are prepared and ... -
Surface Treatments of Stainless Steel by Electroless Silver Coatings as a Bipolar Plate for Proton Exchange Membrane Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2015)The objective of this study is to examine the effect of heat treatment at various temperatures on the corrosion behavior of electroless silvercoated SS 304 in a simulated proton exchange membrane (PEM) fuel cell environment. ... -
Three Dimensional Numerical Analysis of Solid Oxide Electrolysis Cells Steam Electrolysis Operation for Hydrogen Production
(The American Society of Mechanical Engineers (ASME), 2015)Hydrogen is a resource that provides energy and forms water only after reacting with oxygen. Among the many hydrogen generation systems, solid oxide electrolysis cells (SOECs) have attracted considerable attention as ... -
A Simple Analytical Model of a Direct Methanol Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2015)A onedimensional analytical model of a direct methanol fuel cell (DMFC) was presented. This model was developed to describe the electrochemical reactions on the anode and cathode electrodes, and the transport phenomena in ... -
Effect of Temperature Fluctuation on Creep and Failure Probability for Planar Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2015)The creep and failure probability of a planar solid oxide fuel cell (SOFC) through a duty cycle is calculated by finite element method (FEM) and Weibull method, respectively. Two sealing methods, namely, rigid seal and ... -
Water Transport in a PEMFC Based on the Difference in Capillary Pressure Between the Cathode Catalyst Layer and Microporous Layer
(The American Society of Mechanical Engineers (ASME), 2015)The water transport behavior of the cathode catalyst layer (CCL) in a proton exchange membrane fuel cell (PEMFC) was investigated by comparing the performance of several cells containing different microporous layers (MPLs). ... -
Effect of Channel Geometry on Formability of 304 Stainless Steel Bipolar Plates for Fuel Cells—Simulation and Experiments
(The American Society of Mechanical Engineers (ASME), 2015)A bipolar plate (BP) is one of the key components of proton exchange membrane fuel cells (PEMFCs) and accounts for a major portion of their manufacturing cost. Stainless steel is considered as one of the candidate materials ... -
Causal and Fault Trees Analysis of Proton Exchange Membrane Fuel Cell Degradation
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents a reliability approach to analyze the degradation of proton exchange membrane fuel cell. This approach is based on the dependability analysis tools such as the causal and fault trees to establish an ... -
Performance Improvement for Proton Exchange Membrane Fuel Cell Using Hydrogen Pressure Pulsation Approach
(The American Society of Mechanical Engineers (ASME), 2015)In a proton exchange membrane fuel cell (PEMFC), the hydrogen feed into the anode in a periodical pressure swing, socalled hydrogen pressure pulsation feed (HPPF), significantly affects the transport phenomena of hydrogen ... -
Experimental Analysis of a Small Scale Flowing Electrolyte–Direct Methanol Fuel Cell Stack
(The American Society of Mechanical Engineers (ASME), 2015)A smallscale fivecell flowing electrolyte–direct methanol fuel cell (FEDMFC) stack with Utype manifold configuration and parallel serpentine flow bed design was studied experimentally. The active area of a single cell ... -
Triple Layer Control System for Molten Carbonate Fuel Cell–Gas Turbine Hybrid System
(The American Society of Mechanical Engineers (ASME), 2015)The control system of molten carbonate fuel cell (MCFC) coupled with a gas turbine (GT) should be based on the multilayer structure (twoor threelayers), wherein the third layer is connected with the power output from the ... -
Microscale Correlations Adoption in Solid Oxide Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2015)In order to develop a predictive model of real cell performance, firm relationships and assumptions need to be established for the definition of the physical and microstructure parameters for solid oxide fuel cells (SOFCs). ... -
Thermomechanical Properties of Cycled Ceramic/Glass Composite Seals for Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2015)The present research focuses on a novel ceramic/glass composite seal. These seals first underwent a curing cycle. The cycled seal was then characterized with a laser dilatometer to identify the glass transition, softening ...