Battery Thermal Management Systems of Electric Vehicles

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dc.contributor.authorLi, Jiling
dc.contributor.authorZhu, Zhen
dc.contributor.departmentChalmers tekniska högskola / Institutionen för tillämpad mekaniksv
dc.contributor.departmentChalmers University of Technology / Department of Applied Mechanicsen
dc.date.accessioned2019-07-03T13:25:02Z
dc.date.available2019-07-03T13:25:02Z
dc.date.issued2014
dc.description.abstractElectric vehicles (EV) develop fast and have become popular due to their zero emission and high tank-to-wheels efficiency. However, some factors limit the development of the electric vehicle, especially performance, cost, lifetime and safety of the battery. Therefore, the management of batteries is necessary in order to reach the maximum performance when operating at various conditions. The battery thermal management system (BTMS) plays a vital role in the control of the battery thermal behaviour. The BTMS technologies are: air cooling system, liquid cooling system, direct refrigerant cooling system, phase change material (PCM) cooling system, and thermo-electric cooling system as well as heating. These systems are analysed through a trade-off between performance, weight, size, cost, reliability, safety and energy consumption. According to the analysis two prime battery thermal management systems are recommended: combined liquid system (CLS) and a variant system with PCM. The models of CLS and PCM system were built and simulated using software MATLAB/Simulink. The simulation results predict the battery temperature variation and the energy consumption of BTMS. Through simulating the PCM system model, the effect of PCM on battery temperature variation was investigated and the proper PCM mass was estimated. Seen from the simulation results, BTMS is of great importance to control battery thermal behaviour. Further study could be more comprehensive and accurate through combining the simulation model with battery thermal electric and CFD models.
dc.identifier.urihttps://hdl.handle.net/20.500.12380/200046
dc.language.isoeng
dc.relation.ispartofseriesDiploma work - Department of Applied Mechanics, Chalmers University of Technology, Göteborg, Sweden : 2014:42
dc.setspec.uppsokTechnology
dc.subjectEnergi
dc.subjectTransport
dc.subjectGrundläggande vetenskaper
dc.subjectHållbar utveckling
dc.subjectStrömningsmekanik
dc.subjectEnergy
dc.subjectTransport
dc.subjectBasic Sciences
dc.subjectSustainable Development
dc.subjectFluid mechanics
dc.titleBattery Thermal Management Systems of Electric Vehicles
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster Thesisen
dc.type.uppsokH
local.programmeAutomotive engineering (MPAUT), MSc
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