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静置状态下浸没式电池热管理的自然对流特性研究

马瑞鑫¹, 陈景煜¹, 徐长天¹, 施骏业¹
¹上海交通大学，上海，中国

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 ... 扩展阅读

基于电化学-热-老化与三维降阶的电池组寿命预测方法

张志超¹
¹天目湖先进储能技术研究院有限公司

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 ... 扩展阅读

锂电池热失控内部特征的仿真研究

王青松¹, 张玥¹, 梅文昕¹
¹中国科学技术大学

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 ... 扩展阅读

A Research of Electro-thermal Coupling Model for Lithium-ion Battery with Multiphysics in COMSOL Multiphysics®

戴海峰 [1], 许阳 [1], 朱建功 [1],
[1] 同济大学，上海，中国

A new method is proposed to study battery thermal behavior under nature convection condition, especially ... 扩展阅读

锂离子电池厚电极力-电化学耦合作用机理研究

常力戈¹, 牛欣亚², 陆宇阳²
¹西湖大学
²中国科学技术大学

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 ... 扩展阅读

Battery Pack Temperature Distribution Simulation with COMSOL and MATLAB®

M. Masomtob[1], C. Schaeper[1], W. Zhou[1], D. Uwe Sauer[1]
[1]Electrochemical Energy Conversion and Storage Systems Group, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, Aachen, Germany

This work is to present an implementation of COMSOL with MATLAB® [1] for the liquid cooling system of a ... 扩展阅读

Physics-Based Modeling of Lithium Plating on Graphite Anode of Commercial Lithium-Ion Batteries

Sina Navidi¹, Benjamin Nowacki¹, Aidan Lawlor¹, Jun Xu ², Chao Hu¹
¹School of Mechanical, Aerospace, and Manufacturing Engineering, University of Connecticut, Storrs, CT, USA
²Department of Mechanical Engineering, University of Delaware, Newark, DE, USA

Lithium plating on the graphite anode is a significant factor contributing to the degradation of cell ... 扩展阅读

Numerical Analysis of Distribution and Evolution of Reaction Current Density in Discharge Process of Lithium-Ion Power Battery

Y. Tang [1], M. Jia [1], J. Li [1], Y. Lai [1], Y. Cheng [1], Y. Liu [1]
[1] School of Metallurgy and Environment, Central South University, Changsha, China

The reaction current density is an important process parameter of lithium-ion battery, significantly ... 扩展阅读

Advanced 3D Imaging Coupled to Modeling of Fuel Cell and Battery Electrodes

F. Tariq[1], V. Yufit[1], M. Marinescu[1], G. Cui[1], M. Kishimoto[1], N. Brandon[1]
[1]Imperial College London, London, United Kingdom

Solid Oxide Fuel Cells (SOFC) and Li-ion batteries (LIB) are electrochemical devices where performance is ... 扩展阅读

Simulation Apps at LEONI: Use Cases, Challenges and Solutions within a global company

Michael Dauer¹, Maximilian Weber¹
¹LEONI Wiring Systems, Kitzingen, Bavaria, Germany

With the Creation, roll-out, and maintenance of COMSOL Simulation apps, the role of simulation engineers and ... 扩展阅读

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