A method of electric vehicle charging to improve battery life

Abdullah Al-karakchi, Ahmed, Lacey, Gillian and Putrus, Ghanim (2015) A method of electric vehicle charging to improve battery life. In: 50th International Universities Power Engineering Conference (UPEC), 1-4 September 2015, Stoke on Trent.

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Official URL: http://dx.doi.org/10.1109/UPEC.2015.7339846


The lithium-ion battery is the most expensive part of the electric vehicle (EV). Improving battery performance is one of the most important factors in promoting the EV market by prolonging battery life, reducing the cost of ownership and giving confidence in the product to potential customers. This paper considers a method of improving battery performance that extends the life of the battery and increases holding capacity. This will be realized by finding the best charging profile for an EV battery by identifying, the time that battery can accept charging and the charging profile with minimum effect on battery life. The analysis presented shows that including rest periods during battery charging reduces battery degradation in two ways. Firstly, it reduces the rate of change in battery internal resistance. Secondly, it slows down the rate of capacity fade. Moreover, it reduces the average battery temperature through charging.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Battery charger, battery internal resistance, capacity fade, electric vehicle, lithium-ion battery
Subjects: H600 Electronic and Electrical Engineering
H800 Chemical, Process and Energy Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 01 Jul 2016 14:10
Last Modified: 12 Oct 2019 19:21
URI: http://nrl.northumbria.ac.uk/id/eprint/27214

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