Experimental analysis on Li-ion battery local heat distribution

A new paper about heat distribution on Li-Ion batteries has been recently published by Rania Rizk, Hasna Louahlia, Hamid Gualous, and Pierre Schaetzel, from the LUSAC at Caen, together with Guven Alcicek from the company Elecsys France. 

This paper describes the local heat generation in a large-scale lithium-ion battery during multiple charging and discharging cycles using different current rates. Surface temperature and heat flux were measured at different locations on the battery. The deployed thermocouples, gSKIN heat flux sensors with data loggers, together with the FLIR thermal imaging camera provided an accurate heat and temperature distribution map of the battery. The results showed that the highest temperature was generated at the beginning of the charge cycle as opposed to the lowest being reached at the end of the charge cycle. Increased current rate lead to higher temperatures and heat fluxes. 

The paper is an interesting experimental setup, congratulations to the authors! The original is available for download in the Journal of Thermal Analysis and Calorimetry. If you want to learn more about the applications of our heat flux sensors for battery research, please download our short guide on our website

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