A new method for internal cooling of a large format lithium-ion battery pouch cell

O. Elsewify, M. Souri, M.N. Esfahani, E. Hosseinzadeh and M. Jabbari

Energy, 2021, vol. 225, issue C

Abstract: In this paper a new battery thermal management system (BTMS) is proposed, where an internal cooling channel carrying water through the battery cells is integrated to a cell. A two-dimensional (2-D) thermal model is developed and validated against experimental data from literature for a 53Ah lithium-ion battery (LIB) cell. The model is then adapted to reflect the installation of an internal cooling channel. The influence of different parameters such as the channel size, the channel location, and the inlet flow velocity on the thermal performance of the LIB cell is investigated. The results show that using optimal channel size with combination of best channel location as well as inlet velocity reduces the peak temperature by 26% and 20% for 3C and 5C discharge rates, respectively. Consequently, the average cell temperature is reduced by 24% for a 3C discharge rate, and 15% for a 5C discharge rate.

Keywords: Lithium-ion batteries; Internal cooling channel; Thermal management; Numerical modelling (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:225:y:2021:i:c:s0360544221003881

DOI: 10.1016/j.energy.2021.120139

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