Scopri come la simulazione multifisica viene utilizzata per ricerca e sviluppo
In questa sezione troverete i lavori presentati alle Conferenze mondiali COMSOL. Le presentazioni descrivono ricerche e prodotti innovativi progettati con COMSOL Multiphysics da colleghi di tutto il mondo. I temi delle ricerche presentate abbracciano un'ampia gamma di settori produttivi e aree applicative, in ambito elettrico, meccanico, fluidodinamico e chimico. Lo strumento di Ricerca Rapida vi permetterà di trovare le presentazioni che si riferiscono all'area di vostro interesse.
Visualizza gli articoli presentati alla COMSOL Conference 2020
Spectroscopic Modeling of Photoelectrochemical Water Splitting
A photoelectrochemical (PEC) cell uses solar energy to split water to hydrogen and oxygen in single integrated device. Electrochemical impedance spectroscopy is a suitable tool to characterize recombination and reaction mechanisms in PEC cell. Full numerical drift-diffusion calculations ... Per saperne di più
2D Axisymmetric Simulation of Pulsed Electrochemical Machining (PECM) of Internal Precision Geometries
This study presents investigations on a developed process design for manufacturing internal precision geometries by pulsed electrochemical machining (PECM) with help of multiphysics simulations. Therefore, a 2D axisymmetric transient model was created. The considered physical phenomena ... Per saperne di più
Transient Simulation of an Electrochemical Machining Process for Stamping and Extrusion Dies
Precise electrochemical machining (PEM) is a non-conventional machining technology, based on anodic dissolution of metallic work-pieces. In this study an additional extension of the precise electrochemical machining with a precise angle-controlled cylinder positioning is aimed. Due to ... Per saperne di più
Modeling and Simulation of Transient SECM (Scanning ElectroChemical Microscopy) Response of Porous Electrodes
In the past two decades, highly porous nanostructured materials have been investigated and used for a large variety of applications, such as catalysis, energy conversion/storage, optics, sensing and more. Nanoporous gold (npAu) is one of such materials which have shown great potential as ... Per saperne di più
Aluminization Process from Ionic Liquid in Operative Conditions: Validation and Perspective
This work is a first evaluation of the validity of the frozen rotor approximation for the simulation of a stirred beaker. The agreement is good, further analysis will be carried before using the model to optimize labscale setup dedicated to IL electrochemistry. Per saperne di più
Modeling Migration-Diffusion-Reaction Processes in an Idealized Lithium-Sulfur Cell
During the basic operation of a lithium-sulfur (Li-S) cell, sulfur molecules are required to undergo a complex mix of electrochemical and chemical reaction processes. To date, almost all modeling of Li-S cell behavior has been undertaken using electroneutral, structurally homogenized, ... Per saperne di più
Modeling of a Direct Methanol Fuel Cell
This work aims at the modelling of a 5 cm^2 Direct Methanol Fuel Cell (DMFC) with mixed serial/parallel serpentine flow fields in terms of current/voltage behavior. One of the main challenge to overcome consists on lowering the so-called methanol cross over from the anode through the ... Per saperne di più
Thermal Design of Lithium Sulfur Batteries
OXIS Energy Ltd is a pioneer in the research and development of Lithium Sulfur batteries. Scaling up from R&D level coin cells to pouch cells for automotive use, engineering design and thermal management start to become critical. In this study, heat flow at various levels of the cell ... Per saperne di più
Model of Biosensor based on Organic Electrochemical Transistors
One of the most promising categories of semiconductor-based sensors is organic electrochemical transistor (OECT), which consists of three electrodes (Source, Drain and Gate) and two active layers: electrolyte and conductive polymer. Despite the fact that OECT attracts a lot of attention ... Per saperne di più
Modeling Voltammetry of a Rotating Disk Electrode
In this work we report a numerical model of a Rotating Disk Electrode (RDE) voltammetry in a finite size domain. Thus, explaining the discrepancy of the diffusion coefficient obtained from the experimental rotating speed, with respect to the literature data. We achieved a very good ... Per saperne di più