Parametric Evaluation of Thermal Behavior for Different Li-Ion Battery Chemistries

The prediction of thermal behavior is essential for an efficient initial design of thermal management systems which equip energy sources based on electrochemical cells. In this study, the surface temperature of various cylindrical types of Li-ion batteries is monitored at multiple points during disc...

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Main Authors: Thomas Imre Cyrille Buidin, Florin Mariasiu
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Batteries
Subjects:
Online Access:https://www.mdpi.com/2313-0105/8/12/291
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author Thomas Imre Cyrille Buidin
Florin Mariasiu
author_facet Thomas Imre Cyrille Buidin
Florin Mariasiu
author_sort Thomas Imre Cyrille Buidin
collection DOAJ
description The prediction of thermal behavior is essential for an efficient initial design of thermal management systems which equip energy sources based on electrochemical cells. In this study, the surface temperature of various cylindrical types of Li-ion batteries is monitored at multiple points during discharge. Three different battery chemistries and two sizes (18650 and 21700) are considered in this study, allowing the comparison of the influence these parameters have on the temperature rise considering different discharge rates (1C, 2C and 3C). Based on repeated experimental measurements, a simple equation that describes the thermal behavior of batteries is proposed and further used to create 3D thermal maps for each analyzed battery (generally error is below 1 °C but never exceeds 3 °C). The practical utility of such an equation is that it can drastically reduce the time spent with experimental measurements required to characterize the thermal behavior of cylindrical Li-ion batteries, necessary for the initial design process of energy sources’ thermal management system.
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spelling doaj.art-af792fc65d724c0a8a135039767e9ba42023-11-24T13:17:14ZengMDPI AGBatteries2313-01052022-12-0181229110.3390/batteries8120291Parametric Evaluation of Thermal Behavior for Different Li-Ion Battery ChemistriesThomas Imre Cyrille Buidin0Florin Mariasiu1Automotive Engineering and Transports Department, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, RomaniaAutomotive Engineering and Transports Department, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, RomaniaThe prediction of thermal behavior is essential for an efficient initial design of thermal management systems which equip energy sources based on electrochemical cells. In this study, the surface temperature of various cylindrical types of Li-ion batteries is monitored at multiple points during discharge. Three different battery chemistries and two sizes (18650 and 21700) are considered in this study, allowing the comparison of the influence these parameters have on the temperature rise considering different discharge rates (1C, 2C and 3C). Based on repeated experimental measurements, a simple equation that describes the thermal behavior of batteries is proposed and further used to create 3D thermal maps for each analyzed battery (generally error is below 1 °C but never exceeds 3 °C). The practical utility of such an equation is that it can drastically reduce the time spent with experimental measurements required to characterize the thermal behavior of cylindrical Li-ion batteries, necessary for the initial design process of energy sources’ thermal management system.https://www.mdpi.com/2313-0105/8/12/291batteryLi-iontemperaturethermal mapparametric equation
spellingShingle Thomas Imre Cyrille Buidin
Florin Mariasiu
Parametric Evaluation of Thermal Behavior for Different Li-Ion Battery Chemistries
Batteries
battery
Li-ion
temperature
thermal map
parametric equation
title Parametric Evaluation of Thermal Behavior for Different Li-Ion Battery Chemistries
title_full Parametric Evaluation of Thermal Behavior for Different Li-Ion Battery Chemistries
title_fullStr Parametric Evaluation of Thermal Behavior for Different Li-Ion Battery Chemistries
title_full_unstemmed Parametric Evaluation of Thermal Behavior for Different Li-Ion Battery Chemistries
title_short Parametric Evaluation of Thermal Behavior for Different Li-Ion Battery Chemistries
title_sort parametric evaluation of thermal behavior for different li ion battery chemistries
topic battery
Li-ion
temperature
thermal map
parametric equation
url https://www.mdpi.com/2313-0105/8/12/291
work_keys_str_mv AT thomasimrecyrillebuidin parametricevaluationofthermalbehaviorfordifferentliionbatterychemistries
AT florinmariasiu parametricevaluationofthermalbehaviorfordifferentliionbatterychemistries