Journal of Electrochemical Energy Conversion and Storage: Recent submissions
Now showing items 481-500 of 533
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Fuel Cell Temperature Control With a Precombustor in SOFC Gas Turbine Hybrids During Load Changes
(The American Society of Mechanical Engineers (ASME), 2017)The use of high temperature fuel cells, such as solid oxide fuel cells (SOFCs), for power generation is considered a very efficient and clean solution for conservation of energy resources. When the SOFC is coupled with a ... -
A Fundamental Study on the Chemical Stability of La1−xSrxCo0.2Fe0.8O3−δ Cathodes for Intermediate Temperature Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2017)The chemical stability of La1−xSrxCo0.2Fe0.8O3−δ (x = 0, 0.4, 0.6, and 1) oxides before and after annealing at 750 °C in air is investigated by field emission scanning electron microscopy (SEM), X-ray photoelectron ... -
Study on Nonlinear Identification SOFC Temperature Model Based on Particle Swarm Optimization–Least-Squares Support Vector Regression
(The American Society of Mechanical Engineers (ASME), 2017)In order to facilitate valid solid oxide fuel cell (SOFC) temperature control scheme, a nonlinear identification method of SOFC temperature dynamic behaviors is proposed using an autoregressive network with exogenous inputs ... -
Electrochemical Performance Optimization of Li2NixFe1−xSiO4 Cathode Materials for Lithium-Ion Batteries
(The American Society of Mechanical Engineers (ASME), 2017)Li2NixFe1−xSiO4 (x = 0, 0.2, 0.4, 0.6, 0.8, and 1) samples were prepared by sol–gel process. The crystal structure of prepared samples of Li2NixFe1−xSiO4 was characterized by XRD. The different crystallographic parameters ... -
Prediction of Direct Methanol Fuel Cell Stack Performance Using Artificial Neural Network
(The American Society of Mechanical Engineers (ASME), 2017)A direct methanol fuel cell (DMFC) converts liquid fuel into electricity to power devices, while operating at relatively low temperatures and producing virtually no greenhouse gases. Since DMFC performance characteristics ... -
Wavy Surface Cathode Gas Flow Channel Effects on Transport Processes in a Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2017)The flow field design of current collectors is a significant issue, which greatly affects the mass transport processes of reactants/products inside fuel cells. Especially for proton exchange membrane (PEM) fuel cells, an ... -
Technical, Economic, and Environmental Assessment of PEFC Power Generation System Using Surplus Hydrogen Produced From an Oil Refinery
(The American Society of Mechanical Engineers (ASME), 2017)The potential of an energy system that comprises hydrogen-fueled polymer electrolyte fuel cells (PEFCs), a steam reformer, and a hydrogen storage tank, using surplus hydrogen produced from an oil refinery, was evaluated ... -
Impedance Spectroscopy Study and System Identification of a Solid-Oxide Fuel Cell Stack With Hammerstein–Wiener Model
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, the electrochemical impedance spectroscopy (EIS) method is applied through a transient in solid oxide fuel cell (SOFC) to obtain the dynamic modeling. Instead of measuring the current response of a fuel cell ... -
State of the Art and Future Research Needs for Multiscale Analysis of Li-Ion Cells
(The American Society of Mechanical Engineers (ASME), 2017)The performance, safety, and reliability of Li-ion batteries are determined by a complex set of multiphysics, multiscale phenomena that must be holistically studied and optimized. This paper provides a summary of the state ... -
A Fast, Memory-Efficient Discrete-Time Realization Algorithm for Reduced-Order Li-Ion Battery Models
(The American Society of Mechanical Engineers (ASME), 2017)Research into reduced-order models (ROM) for Lithium-ion batteries is motivated by the need for a real-time embedded model possessing the accuracy of physics-based models, while retaining computational simplicity comparable ... -
Surrogate Modeling for Spatially Distributed Fuel Cell Models With Applications to Uncertainty Quantification
(The American Society of Mechanical Engineers (ASME), 2017)Detailed physics-based computer models of fuel cells can be computationally prohibitive for applications such as optimization and uncertainty quantification. Such applications can require a very high number of runs in order ... -
Harvesting Natural Salinity Gradient Energy for Hydrogen Production Through Reverse Electrodialysis Power Generation
(The American Society of Mechanical Engineers (ASME), 2017)There is an enormous potential for energy generation from the mixing of sea and river water at global estuaries. Here, we model a novel approach to convert this source of energy directly into hydrogen and electricity using ... -
Modeling of a Three-Dimensional Single-Phase Direct Methanol Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2017)A three-dimensional, full-scale, single-phase finite element model has been developed for a liquid-fed direct methanol fuel cell (DMFC) with serpentine flow patterns. Equations for conservation of mass, momentum, and species ... -
Gas Diffusion Electrode With Large Amounts of Gas Diffusion Channel Using Hydrophobic Carbon Fiber: For Oxygen Reduction Reaction at Gas/Liquid Interfaces
(The American Society of Mechanical Engineers (ASME), 2017)For a gas diffusion cathode for oxygen reduction reaction (ORR) in aqueous alkaline electrolyte, it is important to create networks for O2 gas diffusion, electronic conduction, and liquid-phase OH− transport in the cathode ... -
Modeling and Designing of a Radial Anode Off-Gas Recirculation Fan for Solid Oxide Fuel Cell Systems
(The American Society of Mechanical Engineers (ASME), 2017)To improve the industry benchmark of solid oxide fuel cell (SOFC) systems, we consider anode off-gas recirculation (AOR) using a small-scale fan. Evolutionary algorithms compare different system design alternatives with ... -
Special Section on Anion Exchange Membranes and AEM-Based Systems
(The American Society of Mechanical Engineers (ASME), 2017) -
Simulation Technology on SOFC Durability With an Emphasis on Conductivity Degradation of ZrO2-Base Electrolyte
(The American Society of Mechanical Engineers (ASME), 2017)Attempts have been made to simulate numerically the conductivity degradation of solid oxide fuel cell (SOFC) YSZ electrolyte; physicochemical model has been constructed on the basis of experimental conductivities of ... -
Cost Requirements for a Small-Scale SOFC Fed From Agricultural-Derived Biogas
(The American Society of Mechanical Engineers (ASME), 2017)In this work, the use of fuel cells for valorizing agricultural-derived biogas in Switzerland is studied. The Swiss agricultural case is characterized by farms with small numbers of animals (20 cows) and high feed-in tariffs ... -
Effects of Size of Microchannels on Thermo-Electrical Performance of an Internally Cooled Li-Ion Battery Cell
(The American Society of Mechanical Engineers (ASME), 2016)Thermal management of Li-ion batteries utilizing internal cooling method is the promising way to keep these batteries in an appropriate temperature range and to improve the temperature uniformity. In this study, three-dimensional ... -
Carbonate Dynamics and Opportunities With Low Temperature, Anion Exchange Membrane-Based Electrochemical Carbon Dioxide Separators
(The American Society of Mechanical Engineers (ASME), 2017)Fossil fuel power plants are responsible for a significant portion of anthropogenic atmospheric carbon dioxide (CO2) and due to concerns over global climate change, finding solutions that significantly reduce emissions at ...