The University of Osaka · Engineering
Professor Mehrzad Alizadeh's research lab specializes in the design and optimization of electrochemical energy devices through advanced computational methods. The lab focuses on topology optimization, pore-scale modeling, and entropy generation analysis to enhance the performance of porous electrodes and reactors in applications such as fuel cells, batteries, and electrolysers. By integrating mathematical modeling with multi-physics simulations, the lab develops innovative, non-intuitive microstructures that maximize reaction efficiency and minimize irreversible losses. The research bridges fundamental transport phenomena with practical engineering design for sustainable energy technologies.
Figures are computed from collected data and may differ slightly.
• The porosity distribution of a 2D reaction–diffusion system is optimized through a topology optimization method. • Topologically optimized reactor outperform conventional uniform or graded designs. • The mass diffusion and reaction rate are enhanced in spatially-controlled layout. • A model for local and global entropy generation analysis is developed. • Different contributors to the entropy productions are identified and quantified. There is a growing body of research on the enhancement of po
As the use of electrochemical devices becomes more prevalent, advanced optimization techniques, such as topology optimization, are being employed to improve their performance. Among various electrochemical systems, power sources have an intrinsic best operating point that corresponds to the maximum output power. This study proposes a mixed topology optimization approach to enhance the performance of these systems by a simultaneous modification of electrode structure and the working condition. In
Employment of electrochemical energy devices is being expanded as the world is shifting toward more sustainable power resources. To meet the required cost efficiency standards for commercialization, there is a need for optimal design of the electrodes. In this study, a topology optimization method is proposed to increase the performance of an electrochemical reaction-diffusion system. A dimensionless model is developed to characterize the transport and rate processes in the system. Two optimizat
Abstract Topology optimization (TO) has emerged as a prominent trend in recent years, driven by its ability to explore optimized material distributions from scratch. Recently, there has been a significant shift in the application of TO, in optimizing systems involving complex electrochemical reactions, particularly electrode porous structures. This paper aims to examine the utilization of TO in enhancing electrodes across various electrochemical energy devices (EEDs). It encompasses a broad spec
Reactive transport within porous reactors is crucial to many diverse applications, and the efficacy of these reactors hinges on their microstructure. Mathematical modeling and optimization play a pivotal role in the exploration of efficient designs, enabling the generation of structures that may not be achievable through random realizations of packings. In this study, we propose a framework for high-resolution topological optimization of porous flow-through reactors based on pore-scale simulatio
Further performance enhancement of electrochemical energy devices could facilitate their extensive utilization and accelerate the shift towards sustainable energies.The present study aims to develop a two-dimensional mathematical model to assess the performance of a simplified representative electrode.To accomplish so, the performance of an electrochemical reaction-diffusion system, comprising mass and charged transport phenomena coupled with an electrochemical reaction, is examined.Furthermore,
Proton exchange membrane fuel cells (PEMFCs) have emerged as a promising solution as the world is moving toward sustainable energy resources. However, in order to compete economically with existing technologies, further improvements in performance are necessary. Mathematical modeling and optimization are viable tools for designing better PEMFCs. This study aims to provide a framework for topological optimization of the electrode structure, with the ultimate goal of enhancing cell performance. To
Reactive transport within porous reactors is crucial to many diverse applications, and the efficacy of these reactors hinges on their microstructure. Mathematical modeling and optimization play a pivotal role in the exploration of efficient designs, enabling the generation of structures that may not be achievable through random realizations of packings. In this study, we propose a framework for high-resolution topological optimization of porous flow-through reactors based on pore-scale simulatio
The world is struggling with a rapid increase in energy demand and the exacerbating problems of greenhouse gases (GHG) caused by the widespread exploitation of fossil fuels. These issues, however, have brought the attention of academics, investors, and governments throughout the world to hydrogen as a viable alternative during the transition from fossil resources to renewable energies. Hydrogen could be used to generate electricity using an electrochemical energy conversion device called polymer
Electrochemical devices are becoming increasingly common, and advanced optimization techniques are utilized to enhance their performance. Topology optimization [1, 2] is one such technique, and it is gaining more attention as a means of improving the performance of electrochemical device. Moreover, as fabrication technologies advance, electrodes with more complex structures are becoming feasible. Previous studies [3-5] have attempted to optimize the composition of various electrochemical devices
Open papers in the app to read, cite, and organize with AI.
