Optimization of Operating Conditions for Battery Thermal Management System

Dear Colleagues,

In recent years, with the increasingly serious problems of environmental pollution and energy shortage, electric vehicles have gradually occupied the automobile market and have been at the forefront of the new direction of automobile development. Lithium-ion batteries are widely used in the field of electric vehicles because of their longer cycle life, higher energy density, and no memory effect. However, lithium-ion batteries have been suffering from poor thermal stability. The suitable working temperature of lithium-ion batteries (LIBs) is 20°C–40°C, and the maximum temperature difference between these batteries in the system should be less than 5°C. The battery pack works under high temperatures for a long time, meaning that it is easy for a series of safety accidents, such as spontaneous combustion and explosion, to occur. Therefore, thermal management systems for electric vehicle power batteries should be designed and optimized to ensure the safety of electric vehicles and maximize the performance of lithium-ion batteries. Currently, LIB thermal management systems can be divided into three main types: air-cooled, liquid-cooled, and phase change material cooling systems.

The BTMS (battery thermal management system) is an important part of electric vehicles which uses lithium-ion batteries. The BTMS can be divided into three types: air-cooled, liquid-cooled, and phase-change material-based cooling. The BTMS should confirm that the maximum temperature and the maximum temperature difference are in acceptable regions. In this Special Issue, we aim to pay particular attention to the design and optimization of the BTMS operating conditions under extreme environments. Within this Special Issue, we aim to conduct method collection within this field.

The scope of this Special Issue includes the following topics: (1) design of battery thermal management system; (2) optimization of battery thermal management system; (3) operating conditions adjustment under extreme environments.

We believe that the methods collected in this Special Issue will be able to undergo further applications, as well as applications in other fields. Therefore, we hope that these methods are able to speed up the research being conducted in this field.

We look forward to receiving your contributions.

Dr. Zhenzhe Li
Prof. Dr. Yaohong Suo
Dr. Lei Sheng
Dr. Zhenmu Chen
Guest Editors

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• renewable energy
• sustainable energy
• electric vehicle
• lithium-ion battery
• battery thermal management system