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 e
nergy storage eleme
nt a
nd key compo
ne
nt of hybrid power system, battery has a
n irreplaceable positio
n a
nd fu
nctio
n u
nder the backgrou
nd of more a
nd more atte
ntio
n to e
nviro
nme
ntal protectio
n i
n today's society. Amo
ng ma
ny batteries, lithium io
n battery has become the most promisi
ng e
nergy storage tech
nology because of its adva
ntages of high efficie
ncy chargi
ng, low de
nsity, high specific e
nergy a
nd gree
n e
nviro
nme
ntal protectio
n, a
nd has bee
n widely used i
n ships a
nd automobiles. But because the developme
nt speed is too fast, there are ma
ny safety problems, amo
ng which the temperature a
nd heat ma
nageme
nt of lithium io
n battery has a
n importa
nt i
nflue
nce o
n the battery life a
nd performa
nce. Based o
n COMSOL software, this study focuses o
n air cooli
ng of battery compo
ne
nts I
n order to determi
ne the effect of differe
nt co
nditio
ns o
n thermal ma
nageme
nt, the temperature field of air-cooled thermal ma
nageme
nt a
nd the distributio
n of flow field are a
nalyzed. I
n the first chapter, the i
nter
nal structure of lithium-io
n battery a
nd the fu
nctio
n of each part of the battery are i
ntroduced, a
nd the
n the
necessity of the battery thermal ma
nageme
nt system a
nd the three types of thermal ma
nageme
nt system are explai
ned by a
nalyzi
ng the source of heat source of lithium-io
n battery. The seco
nd chapter describes the developme
nt of lithium-io
n batteries a
nd the developme
nt prospects of electric ships, a
nd describes the adva
ntages of electric ships compared with co
nve
ntio
nal diesel propulsio
n system ships, obviously, whether i
n terms of emissio
ns or savi
ng. Save eco
nomy cost, adva
ntage is very big. O
n this basis, the e
nd of the seco
nd chapter lists some problems a
nd developme
nt directio
ns of electric ships. chapter 3 to chapter 5, the process from the
necessary preparatio
n co
nditio
ns to the modeli
ng, simulatio
n a
nd a
nalysis results of the battery pack model is carried out, a
nd the performa
nce of the a
nd heat ma
nageme
nt system for lithium io
n batteries u
nder differe
nt i
nitial co
nditio
ns is studied. chapter 6 draws a co
nclusio
n a
nd makes a summary of the distributio
n law of temperature field u
nder differe
nt co
nditio
ns.Key Words：Lithium-io
n batteries；air-cooled thermal ma
nageme
nt； 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