锂离子电池组热管理方案设计（含CAD图纸+说明书）

A0-通风孔在前端的电池组

电池作为混合动力系统的储能元件和关键部件，在当今社会越来越注重环境保护的背景下具有不可替代的地位与作用，在众多电池中，锂离子电池由于具有高效充电、密度小、比能量高和绿色环保等优点，已经成为应用前景最为广阔的储能技术，并广泛应用于船舶和汽车等领域。但是由于发展速度过快，也出现了很多安全性问题，其中锂离子电池温度热管理对电池寿命和性能有着重要的影响。对此，本研究基于COMSOL软件对电池组件在空气冷却的情况下，仿真得到多种初始条件下风冷式热管理的温度场及对比流场的分布进行分析，以确定不同条件对热管理的影响。
在第一章中对锂离子电池的内部结构和组成电池各部分的功用做了一个介绍，随后通过对锂离子电池热源来源分析说明了电池热管理系统存在的必要性以及热管理系统的三种类型。第二章讲述了当今锂离子电池的发展和电动船舶的发展前景，讲述了电动船舶相对于传统柴油机推进系统船舶的优势，明显，不管是在排放上还是节省经济成本上，优势都很大。在此基础上，第二章结尾列出了一些电动船舶存在的问题和发展方向。第三章到第五章进行了从电池包模型建立的必须准备条件到建模、仿真和分析结果的过程，研究了不同初始条件下锂离子电池风冷热管理系统的表现，第六章得出结论，对不同条件下温度场分布规律做了一个总结。
关键词：锂离子电池，风冷式热管理，温度，电动船舶，蓄电池
Abstract
As the energy storage element and key component of hybrid power system, battery has an irreplaceable position and function under the background of more and more attention to environmental protection in today's society. Among many batteries, lithium ion battery has become the most promising energy storage technology because of its advantages of high efficiency charging, low density, high specific energy and green environmental protection, and has been widely used in ships and automobiles. But because the development speed is too fast, there are many safety problems, among which the temperature and heat management of lithium ion battery has an important influence on the battery life and performance. Based on COMSOL software, this study focuses on air cooling of battery components In order to determine the effect of different conditions on thermal management, the temperature field of air-cooled thermal management and the distribution of flow field are analyzed.
In the first chapter, the internal structure of lithium-ion battery and the function of each part of the battery are introduced, and then the necessity of the battery thermal management system and the three types of thermal management system are explained by analyzing the source of heat source of lithium-ion battery. The second chapter describes the development of lithium-ion batteries and the development prospects of electric ships, and describes the advantages of electric ships compared with conventional diesel propulsion system ships, obviously, whether in terms of emissions or saving. Save economy cost, advantage is very big. On this basis, the end of the second chapter lists some problems and development directions of electric ships. chapter 3 to chapter 5, the process from the necessary preparation conditions to the modeling, simulation and analysis results of the battery pack model is carried out, and the performance of the and heat management system for lithium ion batteries under different initial conditions is studied. chapter 6 draws a conclusion and makes a summary of the distribution law of temperature field under different conditions.Key Words：Lithium-ion batteries；air-cooled thermal management； temperature；electric ships； batteries

目录
采用风冷船用锂离子电池组热管理方案设计1
第1章锂离子电池结构及热管理系统7
1.1锂离子电池结构及工作原理介绍7
1.2电池热管理必要性8
1.3电池产热原理9
1.4风冷电池热管理系统9
1.5液冷电池热管理系统9
1.6新型电池热管理系统10
第2章锂离子电池在电动船舶上的应用前景与趋势11
2.1电动船舶分类11
2.2国外发展现状11
2.3电动船舶优势12
2.4锂离子电池电动船舶的优势13
2.5锂离子电池应用于船舶电力推进的现存主要问题13
2.6电动船舶发展方向14
2.6.1总体设计及优化标准14
2.6.2安全及防护标准14
2.6.3电池性能及测试标准14
2.6.4运营管理及维护标准14
2.6.5蓄电池技术现状及未来发展15
第3章锂电池电-热耦合模型仿真构建16
3.1电化学模型16
3.2锂离子电池热传导模型19
3.3能量转化关系20
3.4锂离子电池传热理论介绍21
3.5锂离子电池热模型参数获取22
第4章仿真模型设计及验证24
4.1电池包模型结构及网格划分24
4.2仿真条件设置25
第5章电池排布方式和进口风速对电池包散热仿真结果分析26
5.1电池排布方式对电池包散热效果的影响26
5.2进风口风速对电池包散热效果的影响27
第6章结论29
参考文献30
致谢32

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