Understanding degradation of lithium-ion batteries - The University of Oxford

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Energy & Power Group - University of Oxford
Published at : 21 Jan 2021
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Visit our website for more information on our research – epg.eng.ox.ac.uk

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This video gives an overview of degradation in lithium-ion batteries and discusses how models of degradation could be used in a battery management system for an electric vehicle.

The success of electric vehicles depends largely on their energy storage system. Lithium-ion batteries currently feature the best properties to meet the wide range of requirements specific to automotive applications – high energy density, long lifetime, good power capabilities and low cost.

However, the safety and reliability of lithium ion batteries can be problematic if they are not handled appropriately. Exposing lithium ion batteries to extremely high or low temperatures, voltages or excessive currents results in accelerated battery degradation and in the worst case, battery failure.

This video looks at how we can improve the Battery Management System (BMS) of lithium-ion batteries by producing highly accurate degradation models which can estimate current useful battery capacity, power capabilities, prediction of the remaining battery life and prediction of battery failure and thus contribute to the accuracy of the BMS.

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Video produced by Crustacean Studio - http://www.crustaceanstudio.com

Research funded by the Engineering and Physical Sciences Research Council (EPSRC) and Jaguar Land Rover. We further acknowledge the support of EPSRC who funded the production of this video.
BMSbattery management systembattery lithium ion

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