Impact of battery ageing on an electric vehicle powertrain optimisation

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dc.contributor.authorAuger, Daniel J.
dc.contributor.authorGroff, Maxime F.
dc.contributor.authorMohan, Ganesh
dc.contributor.authorLongo, Stefano
dc.contributor.authorAssadian, Francis
dc.date.accessioned2020-02-28T15:32:13Z
dc.date.available2020-02-28T15:32:13Z
dc.date.issued2014-12-01
dc.description.abstractAn electric vehicle’s battery is its most expensive component, and it cannot be charged and discharged indefinitely. This affects a consumer vehicle’s end-user value. Ageing is tolerated as an unwanted operational side-effect; manufacturers have little control over it. Recent publications have considered trade-offs between efficiency and ageing in plug-in hybrids (PHEVs) but there is no equivalent literature for pure EVs. For PHEVs, battery ageing has been modelled by translating current demands into chemical degradation. Given such models it is possible to produce similar trade-offs for EVs. We consider the effects of varying battery size and introducing a parallel supercapacitor pack. (Supercapacitors can smooth current demands, but their weight and electronics reduce economy.) We extend existing EV optimisation techniques to include battery ageing, illustrated with vehicle case studies. We comment on the applicability to similar EV problems and identify where additional research is needed to improve on our assumptions.en_UK
dc.identifier.citationAuger DJ, Maxime FG, Mohan G, et al., (2014) Impact of battery ageing on an electric vehicle powertrain optimisation, Journal of Sustainable Development of Energy, Water and Environment Systems, Volume 2, Issue 4, December 2014, pp. 350-361en_UK
dc.identifier.issn1848-9257
dc.identifier.urihttp://dx.doi.org/10.13044/j.sdewes.2014.02.0028
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15199
dc.language.isoenen_UK
dc.publisherInternational Centre for Sustainable Development of Energy, Water and Environment Systemsen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectElectric vehiclesen_UK
dc.subjectBatteryen_UK
dc.subjectAgeingen_UK
dc.subjectState-of-healthen_UK
dc.subjectPower train optimisationen_UK
dc.titleImpact of battery ageing on an electric vehicle powertrain optimisationen_UK
dc.typeArticleen_UK

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