Browsing Journal of Electrochemical Energy Conversion and Storage by Title
Now showing items 1-20 of 432
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A Comparative Analysis on Thermal Stability of Delithiated Nickel-Rich LiNi0.8Co0.15Al0.05O2 and LiNi0.8Co0.1Mn0.1O2 in Pouch Cells
(The American Society of Mechanical Engineers (ASME), 2023)As two typical nickel-rich layered oxide cathodes, LiNi0.8Co0.15Al0.05O2 (NCA) and LiNi0.8Co0.1Mn0.1O2 (NCM811) are widely applicated in commercial high-energy batteries for electric vehicles. However, a comprehensive ... -
A Comparison of Felt-Type and Paper-Type Gas Diffusion Layers for Polymer Electrolyte Membrane Fuel Cell Applications Using X-Ray Techniques
(The American Society of Mechanical Engineers (ASME), 2018)This work presents a comparison between carbon felt-type and paper-type gas diffusion layers (GDLs) for polymer electrolyte membrane (PEM) fuel cells in terms of the similarities and the differences between their microstructures ... -
A Comprehensive Flowrate Optimization Design for a Novel Air–Liquid Cooling Coupled Battery Thermal Management System
(The American Society of Mechanical Engineers (ASME), 2020)Battery thermal management has significant effect on the performance of electric vehicles (EVs) under high current rates. In this research, a comprehensive thermal analysis and multi-objective optimization design framework ... -
A Computational Comparative Study of the Lithium Diffusion in Amorphous Silicon Spheres, Rods, and Circular Disks
(The American Society of Mechanical Engineers (ASME), 2020)We study through extensive finite element analysis the lithium diffusion in small elements of Si anodes under the forms of spheres, rods, and circular disks for Li-ion batteries. Elastoplastic properties of the amorphous ... -
A Computational Fluid Dynamics Coupled Multi-Objective Optimization Framework for Thermal System Design for Li-Ion Batteries With Metal Separators
(The American Society of Mechanical Engineers (ASME), 2021)Battery thermal management system (BTMS) has significant impacts on the performance of electric vehicles (EVs). In this research, a computational fluid dynamics (CFD) coupled multi-objective optimization framework is ... -
A Fast Screening and Recombinant Method Based on Short-Time Pulse Discharge and Electrochemical Impedance Spectroscopy for Decommissioned Power Batteries
(The American Society of Mechanical Engineers (ASME), 2022)Aiming at the problems of low screening efficiency, high energy consumption and low grouping rate of decommissioned power batteries at this stage, a fast screening and recombinant method based on short-time pulse discharge ... -
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 ... -
A Fault Diagnosis Method for Lithium Batteries Based on Optimal Variational Modal Decomposition and Dimensionless Feature Parameters
(The American Society of Mechanical Engineers (ASME), 2022)Due to the frequent occurrence of electric vehicles safety accidents caused by battery system failures, in order to ensure the normal operation of the vehicle, it is crucial to do a fault diagnosis of the electric vehicle ... -
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 ... -
A Gaussian Process-Based Crack Pattern Modeling Approach for Battery Anode Materials Design
(The American Society of Mechanical Engineers (ASME), 2020)Silicon-based anodes are one of the promising candidates for the next generation high-power/energy density lithium ion batteries (LIBs). However, a major drawback limiting the practical application of the Si anode is that ... -
A Glass Platelet Coating on Battery Electrodes and Its Use as a Separator for Lithium-Ion Batteries
(The American Society of Mechanical Engineers (ASME), 2020)A new type of separator for lithium-ion batteries (LIBs) has been developed using ultrathin micrometer-sized sodium borosilicate glass platelets coated directly on a battery electrode with a water-based binder. The coating ... -
A High-Ceramic-Loading LATP–PVDF–Al2O3 Composite Film for Lithium-Ion Batteries With Favorable Porous Microstructure and Enhanced Thermal Stability
(The American Society of Mechanical Engineers (ASME), 2024)A separator plays a crucial role in a Li-ion battery to carry liquid electrolytes while preventing short-circuiting between electrodes. Nevertheless, conventional commercial separators often exhibit poor wettability and ... -
A Hybrid Method for Lithium-Ion Batteries State-of-Charge Estimation Based on Gated Recurrent Unit Neural Network and an Adaptive Unscented Kalman Filter
(The American Society of Mechanical Engineers (ASME), 2022)Among the battery state of charge (SOC) estimation methods, the Kalman-based filter algorithms are sensitive to the battery model while the neural network (NN)-based algorithms are decided by hyperparameters. In this paper, ... -
A Liquid–Vapor Two-Phase Model of Direct Methanol Fuel Cells With Platinum Group Metal-Free Cathode Catalyst
(The American Society of Mechanical Engineers (ASME), 2021)This study has developed a two-dimensional, two-phase transport model to investigate the transport characteristics in direct methanol fuel cells (DMFCs) using platinum group metal (PGM)-free cathode catalysts. The model ... -
A Low Cost Mechanically Rechargeable Aluminum–Air Cell for Energy Conversion Using Low Grade Aluminum Foil
(The American Society of Mechanical Engineers (ASME), 2016)The performance of a mechanically rechargeable aluminum (Al)–air cell, fabricated with lowcost materials including lowgrade aluminum foil and carbon paper electrodes, was evaluated. The design adopted a free gravity flow ... -
A Modeling Study of Discharging Li-O2 Batteries With Various Electrolyte Concentrations
(The American Society of Mechanical Engineers (ASME), 2020)The mass transfer in the cathode electrode plays an important role in operating Li-O2 batteries. In this study, a two-dimensional, transient, and isothermal model is developed to investigate the mass transfer in discharging ... -
A Modeling Study of RED-MED Salinity Gradient Heat Engine: The Conventional Scheme and a Modified Scheme
(The American Society of Mechanical Engineers (ASME), 12/5/2022 )Reverse electrodialysis-multi-effect distillation (RED-MED) heat engine has received increasing attention in recent years, due to its ability to convert low temperature waste heat into salinity gradient energy, and then ... -
A Modeling Study of REDMED Salinity Gradient Heat Engine: The Conventional Scheme and a Modified Scheme
(The American Society of Mechanical Engineers (ASME), 2022)Reverse electrodialysismultieffect distillation (REDMED) heat engine has received increasing attention in recent years, due to its ability to convert low temperature waste heat into salinity gradient energy, and then extract ... -
A New Vascular System Highly Efficient in the Storage and Transport of Healing Agent for Self-Healing Wind Turbine Blades
(The American Society of Mechanical Engineers (ASME), 2019)Self-healing wind turbine blades offer a substantial offset for costly blade repairs and failures. We discuss the efforts made to optimize the self-healing properties of wind turbine blades and provide a new system to ... -
A Novel Approach for Enhancing Thermal Performance of Battery Modules Based on Finite Element Modeling and Predictive Modeling Mechanism
(The American Society of Mechanical Engineers (ASME), 2020)Electric vehicles (EVs) are estimated as the most sustainable solutions for future transportation requirements. However, there are various problems related to the battery pack module and one such problem is invariable ...