Scopri come la simulazione multifisica viene utilizzata per ricerca e sviluppo
La modellazione e simulazione multifisica favorisce l’innovazione in numerosi settori industriali e nel mondo accademico, come dimostrano le molteplici applicazioni illustrate negli articoli tecnici e nei poster presentati ogni anno da ingegneri, ricercatori e scienziati alla COMSOL Conference.
Lasciati ispirare dai recenti contributi raccolti qui sotto oppure, per trovare una presentazione specifica o filtrare i risultati per area di applicazione, anno o sede della conferenza, utilizza lo strumento di Ricerca Rapida.
Visualizza gli articoli presentati alla COMSOL Conference 2025
A 3D (three-dimensional) model of a vanadium redox flow battery (VRFB) with interdigitated flow channel design is proposed to study the distributions of fluid pressure, electric potential, current density and over-potential during operation. The performance of a VRFB with and without ... Per saperne di più
锂离子电池在便携式电子设备领域占据主导地位,并显著推动了电动汽车的商业化进程。当前全球研发重点集中于开发具有高能量密度、快速充放电能力、高功率输出、低成本及高安全性的电池系统。在材料选择中,机械强度的耐久性与长周期循环的结构完整性成为关键评价指标。锂离子电池内部存在显著的电化学-力学耦合行为,表现为大变形、塑性流动、裂纹扩展与疲劳等现象,进而引起电极剥离、孔隙闭合以及副反应加速等多种失效模式。其中,正极颗粒的破裂等力学-电化学退化机制是限制锂离子电池性能的主要因素之一,因此深入研究正极材料在多场耦合条件下的响应机制,对实现下一代高能量密度电池至关重要。 钴酸锂 ... Per saperne di più
The increasing demand for electrochemical energy storage (EES) in stationary applications underscores the urgent need for advanced battery technologies. Among these, zinc-based systems, particularly rechargeable zinc-air flow batteries (RZAFBs), are gaining attention due to their ... Per saperne di più
The purpose of this work is to show whether an important difference in Lithium solid concentration and electrolyte concentration can be observed in a Lithium-ion battery model, when considering either the Butler-Volmer kinetics or the Tafel kinetics for describing the electrode kinetics ... Per saperne di più
Dr. Bernardi is a Research Engineer with Ford Motor Company in Dearborn, MI. Her research focuses on the analysis and simulation of electrochemical energy-storage and conversion systems. In particular, Dr. Bernardi develops mathematical models that predict system behavior and identify ... Per saperne di più
The adoption of micro- and nanostructured electrodes is a promising technique to improve the performance of Li-ion battery, which increases the electrode surface area and improves the efficiency of ion exchange between the electrode and electrolyte. This performance improvement is ... Per saperne di più
A new method is proposed to study battery thermal behavior under nature convection condition, especially focusing on temperature rising and inhomogeneity of battery. Using porous electrode theory, an electrochemical and homogenization heat source thermal coupling model and an ... Per saperne di più
This work is to present an implementation of COMSOL with MATLAB® [1] for the liquid cooling system of a battery pack based on the physics in COMSOL. The m.file of a model of battery module from COMSOL 4.2 is exported and modified to run in MATLAB®, as well as is managed by using another ... Per saperne di più
本研究围绕锌溴液流电池的性能分析,利用 COMSOL Multiphysics 建立了电化学过程的多物理场模型。该模型结合了电极反应与离子迁移等关键环节,用于描述电池在充放电过程中的特性变化。通过仿真获得了电压、电流及浓度随时间的演化规律,并比较了不同运行条件下的性能差异。结果显示,模型能够合理反映电池的主要工作机制,为进一步的结构设计与参数优化提供了参考依据。 Per saperne di più
简介: 为了便于终端用户更容易获取到电芯内部相关的电化学参数数据,本文通过逆向拆解的方法结合电化学-热耦合模型,采用有限元仿真分析和电化学参数优化试验的方式,验证了所获取参数的精确性,并通过参数辨识的方式考虑了bruggman系数,反应速率常数和固相扩散系数对动力电池充放电性能和温度的影响,将对标锂电池的电压、温度误差范围控制在3%以内。 Per saperne di più
