Journal of Electrochemical Energy Conversion and Storage: Recent submissions
Now showing items 321-340 of 533
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Temperature Effect of CO2 Reduction Electrocatalysis on Copper: Potential Dependency of Activation Energy
(The American Society of Mechanical Engineers (ASME), 2020)The electrochemical CO2 reduction reaction (CO2RR) has gathered widespread attention in the past decade as an enabling component to energy and fuel sustainability. Copper (Cu) is one of the few electrocatalysts that can ... -
Physically Based Modeling of PEMFC Cathode Catalyst Layers: Effective Microstructure and Ionomer Structure–Property Relationship Impacts
(The American Society of Mechanical Engineers (ASME), 2020)This work presents a pseudo-two-dimensional proton exchange membrane fuel cell (PEMFC) model incorporating Nafion ionomer structure–property relationships in the cathode catalyst layer (CL) to capture and explain losses ... -
Revealing Three-Dimensional Morphology in Nanoporous Gold Using Three-Dimensional X-Ray Fresnel Coherent Diffractive Imaging Tomography
(The American Society of Mechanical Engineers (ASME), 2020)Nanoporous metals fabricated by dealloying have a unique bi-continuous, sponge-like porous structure with ultra-high surface area. The unique properties of these materials, especially nanoporous gold, have numerous potential ... -
Evolution of the Morphology Near Triple-Phase Boundaries in Ni–Yttria Stabilized Zirconia Electrodes Upon Cathodic Polarization
(The American Society of Mechanical Engineers (ASME), 2020)Microstructural changes in Ni–yttria stabilized zirconia (YSZ) near the YSZ electrolyte were examined by three-dimensional (3D) electron microscopy after electrolysis and fuel cell operation up to 10,700 h and 15,000 h, ... -
Perspective on State-of-Health Determination in Lithium-Ion Batteries
(The American Society of Mechanical Engineers (ASME), 2020)State-of-health (SOH) is an essential parameter for the proper functioning of large battery packs. A wide array of methodologies has been proposed in the literature to track state of health, but they often lack the proper ... -
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 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 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 ... -
An Improved Test Method of LiFePO4/Graphene Hybrid Cathode Lithium-Ion Battery and the State of Charge Estimation
(The American Society of Mechanical Engineers (ASME), 2020)The state of charge (SoC) of the battery is a typical characterization of the operating state of the battery and criterion for the battery management system (BMS) control strategy, which must be evaluated precisely. The ... -
Design, Development, and Testing of a Low-Concentration Vanadium Redox Flow Battery
(The American Society of Mechanical Engineers (ASME), 2020)The purpose of this paper is to highlight the design, development, and testing of a low-concentration vanadium redox flow battery (VRFB). The low-cost implementation has a 7 cm × 7 cm active membrane area and an electrolyte ... -
On the Implication of Porosity Configuration on Lithium-Ion Cell Performance: A Numerical Study
(The American Society of Mechanical Engineers (ASME), 2020)The present study numerically investigates the implication of different porosity configurations, viz., uniform, algebraic, trigonometric, logarithmic, and stepwise constant porosities at the negative electrode on performance ... -
Pt Nanoparticles Supported on Nitrogen-Doped Carbon-TiO2 Composite as a High-Performance Electrocatalyst for Methanol Oxidation
(The American Society of Mechanical Engineers (ASME), 2020)Monodispersed Pt nanoparticles supported on a TiO2 and nitrogen-doped carbon composite (TiO2/NDC) were successfully synthesized via an efficient in situ self-assembly strategy and microwave-assisted polyol process. The ... -
One-Dimensional Porous TiNb2O7–Carbon Nanofiber Arrays as High-Performance Anode for Lithium Ion Batteries
(The American Society of Mechanical Engineers (ASME), 2020)High-energy density lithium ion batteries (LIBs) rely heavily on innovations of electrode materials. Herein, the porous TiNb2O7/carbon nanofibers (TNO/CNFs) have been prepared through the hydrothermal method and electrostatic ... -
Mesoscale Effects of Composition and Calendering in Lithium-Ion Battery Composite Electrodes
(The American Society of Mechanical Engineers (ASME), 2020)Macrohomogeneous battery models are widely used to predict battery performance, necessarily relying on effective electrode properties, such as specific surface area, tortuosity, and electrical conductivity. While these ... -
Catalysts for the Electrochemical Reduction of Carbon Dioxide to Methanol
(The American Society of Mechanical Engineers (ASME), 2020)Anthropogenic activities powered by the burning of fossil fuels have caused excessive emissions of carbon dioxide (CO2) to the atmosphere. This has a negative impact on our environment. One promising approach to reduce the ... -
Effects of Peptide-Functionalized Surfaces on the Electrochemical Hydrogen Evolution Reaction
(The American Society of Mechanical Engineers (ASME), 2020)This review outlines the approaches and mechanisms through which peptides and amino acids functionalize electrocatalytically active surfaces to promote or inhibit the electrochemical hydrogen evolution reaction (HER). HER ... -
Emerging Investigators in Electrochemical Energy Conversion and Storage 2020
(The American Society of Mechanical Engineers (ASME), 2020)This special issue features the 2020 Emerging Investigators in Electrochemical Energy Conversion and Storage. Thirteen emerging investigators were invited to this special issue to showcase up-and-coming scientists and ... -
Kilowatt-Scale Fuel Cell Systems Powered by Recycled Aluminum
(The American Society of Mechanical Engineers (ASME), 2020)Presented here is a novel system that uses an aluminum-based fuel to continuously produce electrical power at the kilowatt scale via a hydrogen fuel cell. This fuel has an energy density of 23.3 kW h/L and can be produced ... -
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 ... -
The Current Status of Hydrogen and Fuel Cell Development in China
(The American Society of Mechanical Engineers (ASME), 2020)Potentially large amount of hydrogen resource in China could theoretically supply 100 × 106 fuel cell passenger cars yearly. The Chinese government highly values the hydrogen and fuel cell technology. Policies and plans ...