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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Print: 2152-5102
ISSN Online: 2152-5110

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.2019027012
pages 487-498

STUDY ON THERMAL UNIFORMITY AND IMPROVEMENT FOR THE DRYING OF LITHIUM-ION BATTERIES

Wei-Biao Ye
Department of Process Equipment and Control Engineering, School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, People's Republic of China
Cong Li
Department of Process Equipment and Control Engineering, School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, People's Republic of China
Shuguang Gong
Department of Process Equipment and Control Engineering, School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, People's Republic of China
Yuxiang Hong
Department of Chemistry and Chemical Engineering, Lishui University, Lishui 323000, People's Republic of China
Si-Min Huang
Key Laboratory of Distributed Energy Systems of Guangdong Province, Department of Energy and Chemical Engineering, Dongguan University of Technology, Dongguan 523808, People's Republic of China
Shunsheng Xu
Department of Process Equipment and Control Engineering, School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, People's Republic of China

ABSTRACT

Moisture has a serious impact on the safety, capacity, and resistance of lithium-ion batteries. In this study, we present a battery dryer which can quickly dry a lithium-ion battery and can provide high-uniformity surface temperature. Finite volume method is used to solve the numerical model. The convection terms in governing equations is based on the quadratic upwind interpolation of convective kinematics scheme. The well-known semi-implicit pressure-linked equation algorithm is employed to treat the coupling of pressure and velocity fields. It is confirmed that heat radiation is the primary heat transfer mode due to low thermal conductivity and low velocity of airflow, as well as high temperature at the surrounding walls of the dryer. Results show that removing the heating power at the back region of the dryer benefits uniform battery surface temperature; adding heating power in the top and bottom walls of dryer can improve the temperature rising rate. Furthermore, the obtained results can provide some ideas for the design of the dryer used in the lithium-ion batteries.

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