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
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
为了实现锂电池电芯设计定向优化及评估析锂风险,如Fig.1所示,本工作利用COMSOL的“电池模块”中的“Lithium-ion battery”物理接口,基于Dolye等[1]的伪二维(P2D)模型、多孔电极及浓溶液理论,建立了固液相电荷守恒、固液相物质守恒及电荷转移守恒方程并求解,采用带初始化的瞬态求解器进行仿真。考虑到计算成本及场景需求,磷酸铁锂(LFP)电池电芯设计、极片缺陷和涂覆不同动力学负极材料案例分别构建为一维、二维和三维模型。为优化LFP的多孔电极的孔隙率、厚度设计,实现比能量和比功率最大化,基于COMSOL锂电池接口模拟了290多组设计实验 ... 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
The reaction current density is an important process parameter of lithium-ion battery, significantly influencing its electrochemical performance. In this study, aimed at the discharge process of lithium-ion power battery, an electrochemical-thermal model was established to analyze the ... Per saperne di più
Solid Oxide Fuel Cells (SOFC) and Li-ion batteries (LIB) are electrochemical devices where performance is dependent on reactions inside porous electrode microstructures. Here we use tomographic techniques to probe 3D electrode structures (anodes and cathodes) at micro-nanometer length ... Per saperne di più
在实验中发现锌对称电池运行过程中电解液会发生自然对流,针对此现象我们通过comsol中的三次电流分布和层流接口进行模拟,从而获得了电池运行过程中的电解液浓度分布,电压变化情况等信息 Per saperne di più
The presented model approach offers a computational efficient tool to analyze the influences of geometrical design details, material selection and operational conditions on the electro-thermal behavior of a full Li ion battery cell geometry. It considers typical aspects as anisotropic ... Per saperne di più
Multi-Scale and Multi-Dimensional (MSMD) modeling approaches have been proposed to simulate the thermal, electrical distributions and concentration behaviors of large size pouch cell. This approach is based on coupling of the energy balance with the Newman’s electrode model. Newman’s 1D ... Per saperne di più
In our dynamic energy landscape, it is increasingly important to utilize energy efficiently and minimize waste. To achieve this, advancing our research beyond traditional battery storage, which has numerous limitations, is crucial. One promising solution is compressed gas energy storage. ... Per saperne di più