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ISSN Online: 2688-7231

ISBN Online: 978-1-56700-524-0

Proceedings of the 26thNational and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India
December, 17-20, 2021, IIT Madras, Chennai, India

Management of Thermal Runaway in Batteries using Water Mist for Air Precooling

Get access DOI: 10.1615/IHMTC-2021.310
pages 209-215

Abstract

In the present study, the use of water mist to precool air which is then used to cool a Lithium-Ion Cell is studied. To comprehensively understand the extent of cooling, a 0D lumped model of the battery based on ordinary differential equations representing thermal transport and chemical kinetics of a 18650 NCA/Graphite Cell is used based on Arrhenius electrochemical equations to simulate the thermal behaviour, and an efficiency factor is used to account for the venting of the cell. An Eulerian approach is used for an isolated droplet and modelled for drag, evaporation, heat transfer and mass transfer to model the evaporation of water mist. Both convective and radiative heat transfer is considered for modeling the heat transfer for the lithium cell. For convective heat transfer, flow across a cylinder is considered for maximising heat transfer.
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