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Spatial and Temporal Temperature Homogenization in an Automotive Lithium-Ion Pouch Cell Battery Module

Title data

Gepp, Markus ; Lorentz, Vincent ; März, Martin ; Geffray, Fanny ; Guyon, Elsa ; Chopard, Fabrice:
Spatial and Temporal Temperature Homogenization in an Automotive Lithium-Ion Pouch Cell Battery Module.
In: Zamboni, Walter ; Petrone, Giovanni (ed.): ELECTRIMACS 2019 : Selected Papers. Volume 1. - Cham : Springer , 2020 . - pp. 625-639 . - (Lecture Notes in Electrical Engineering ; 615 )
ISBN 978-3-030-37160-9
DOI: https://doi.org/10.1007/978-3-030-37161-6_47

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
eDAS: Holistic Energy Management for 3rd and 4th Generation of Electric Vehicles608770
GHOST: InteGrated and PHysically Optimised Battery System for Plug-in Vehicles Technologies770019

Project financing: 7. Forschungsrahmenprogramm für Forschung, technologische Entwicklung und Demonstration der Europäischen Union
The research leading to these results has received funding from the European Union’s Seventh Framework Programme for Research, Technological Development and Demonstration under grant agreement no. 608770 (“eDAS”). The research leading to these results has also received funding from European Union’s Horizon2020 Programme for Research and Innovation under grant agreement no. 770019 (“GHOST”). The authors acknowledge the Panasonic Device Solution Business Division for the supply of PGS and their technical support and collaboration. The authors also acknowledge the Polytec PT GmbH for the supply of thermal conductive adhesives and their technical support and collaboration.

Abstract in another language

A battery system with a thermally optimized module design with regard to boundary conditions in automotive applications is developed. Measures for spatial and temporal temperature homogenization are realized. Highly thermal conductive pyrolytic graphite sheets as heat spreaders replace conventional metallic cooling sheets in a lightweight module design. Efficient space utilization with a novel phase change material for thermal peak-shaving enables benefits in thermal management and lifetime. Heat-conductive adhesives and elastomer-based gap filler sheets further reduce the thermal resistance and the rise in temperature. Measurements showed a maximum temperature difference between the cells of 4.3 K and a maximum thermal resistance between cells and coolant of 0.12 K/W. By integrating thermal solutions, the gravimetric and volumetric overhead was reduced by 25% and 10% compared to the state of the art.

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: Battery thermal management; Phase change material; Pyrolytic graphite sheets; Gap filler material; Temperature homogenization; Thermal peak shaving; Temperature dependent ageing
Institutions of the University: Research Institutions > Research Centres > Bayerisches Zentrum für Batterietechnik - BayBatt
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 03 Jun 2022 07:14
Last Modified: 03 Jun 2022 07:14
URI: https://eref.uni-bayreuth.de/id/eprint/69840