See How Modeling and Simulation Is Used Across Industries
Multiphysics modeling and simulation drives innovation across industries and academia — as is evidenced by the many uses showcased in the technical papers and posters presented by engineers, researchers, and scientists at the COMSOL Conference each year.
Draw inspiration from the recent proceedings collected below, or, to find a specific presentation or filter by application area or conference year/location, use the Quick Search tool.
View the COMSOL Conference 2025 Collection
本研究针对浸没式电池热管理系统在静置工况下的自然对流特性展开探讨。采用新型低黏度油液作为浸没介质，设计了典型的电池热管理单元和模组。基于电池产热模型，利用COMSOL Multiphysics建立了三维数值模型，耦合求解传热与流体流动方程，并结合Boussinesq假设描述自然对流效应。通过实验对比电池在空气及油液中的放电温升，验证了模型可靠性，仿真与实测结果差异小于1.5 ℃。结果表明，随着浸没液厚度增加，自然对流逐渐增强，液体最大流速超过2.5 mm/s。液层厚度为10 mm 时，电池平均温度下降1.4 ℃，但温差由1.27 ℃增至 3.14 ℃ ... Read More
1)通过COMSOL Multiphysics搭建单体锂离子电池伪二维P2D电化学模型；2)在伪二维P2D电化学模型中加入副反应的偏微分方程搭建电池电化学容量衰减模型；3)电池电化学容量衰减模型耦合传热模型搭建单体锂电池电化学-热耦合容量衰减模型；4)对单体锂离子电池电化学-热耦合容量衰减模型进行参数校正；5)将锂离子电池进行串并联，建立m并n串电池组模型，以“+”表示电池正极，“-”表示电池负极，根据平均算子方法搭建锂离子电池组寿命预测模型，给电池组模型定义相应的边界条件；6)预测电池组在不同循环条件下的容量、电化学或热性能。 本发明利用平均算子方法和边界相似性 ... Read More
The characterization of Li-ion batteries is a relevant topic due to the recent developments in Electric Vehicles (EV’s) and Hybrid Electric Vehicles (HEV’s) applications. In order to manage these devices, accurate models are required. At NEXT ENERGY a two dimensional cell-level thermal ... Read More
随着目前储能系统市场需求，电芯容量尺寸大型化已成趋势，与此同时研究电池内部热失控特征十分重要。在本研究中，通过COMSOL固体传热模块，建立细化的热失控单体模型来研究电池内部热失控特征，并且提出了触发能量作为不同热滥用工况下评价锂离子电池热安全性的重要指标，随后基于建立并验证的模型研究电池设计参数电池厚度以及卷芯数对热失控行为的影响。在COMSOL几何中，详细构建电芯铝制外壳及内部空气域，很好的验证了由于空气热扩散系数小于电池材料而导致的传热速度不一致现象。仿真的结果表明双卷芯的大容量电池热失控内部传递过程可分为四个特征阶段 ... Read More
Introduction: The drawbacks of most commercial “advanced battery” solutions are high price, danger, and low recyclability. The most cost efficient, environmental-friendly, and safest solutions so far is based on lead-acid electrochemistry, a proven technology for more than 150 years. Key ... Read More
为满足电动汽车对长续航和快充电的需求，提升锂离子电池的能量密度和快充性能至关重要。锂离子电池在快速充放电过程中的电极结构退化问题已成为制约其性能提升的关键瓶颈。尤其在高倍率循环条件下，电极活性颗粒内部会因锂离子浓度梯度和相变引发的非均匀体积膨胀而产生显著的机械应力，进而导致微裂纹的萌生与扩展。本研究建立了耦合锂离子扩散、相变、应力演化及断裂过程的COMSOL模型，系统研究了单晶电极颗粒、二级电极颗粒和厚电极的断裂行为。在单晶颗粒尺度，建立了耦合锂扩散、相变、应力与断裂的相场模型。研究发现脱锂路径具有取向依赖性，导致非均匀相变与晶格失配应力 ... Read More
Introduction: Recently, Li-ion battery is being widely used as power source for various applications from electronic gadgets to automotive industry. The performance and cycle life of Li-ion battery are becoming gradually important issues as the applications are shifting from small scale ... Read More
With a view to estimating electrical characteristics of a Polymer Li-ion Battery during specific charge and discharge conditions, a COMSOL Multiphysics® model has been developed that accounts for electrochemical phenomena inside the device. Cell model has been created using the Li-Ion ... Read More
Abstract: A 3.2V/10Ah LFP aluminum-laminated batteries are chosen as the target of the present study. A three-dimensional thermal simulation model is established based on finite element theory and proceeding from the internal heat generation of the battery[13]. The study illustrates a ... Read More
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 ... Read More
