Performance analysis framework for structural battery composites in electric vehicles

In this paper, a novel modelling framework to estimate system level performance of electric vehicles utilizing a structural battery composite material is presented. Electrical and mechanical properties are derived from material data of the constituents, device design and connection/layup schemes. Kn...

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Vydané v:Composites. Part B, Engineering Ročník 186; s. 107822
Hlavní autori: Carlstedt, David, Asp, Leif E.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Elsevier Ltd 01.04.2020
Predmet:
Carbon fibre
Computational modelling
Energy storage
Smart Materials
Carbon fibre
Smart materials
Computational modelling
Energy storage
ISSN:1359-8368, 1879-1069
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Shrnutí:In this paper, a novel modelling framework to estimate system level performance of electric vehicles utilizing a structural battery composite material is presented. Electrical and mechanical properties are derived from material data of the constituents, device design and connection/layup schemes. Knowledge of the multifunctional, i.e. electrical and mechanical, performance of the structural battery composite allows for estimation of the electric vehicle drive range for any known drive cycle. The framework is used to evaluate effect on drive range from the introduction of structural batteries into existing electric vehicles (EVs). Comparative studies performed for Tesla model S and BMW i3 demonstrate a compelling vehicle weight saving potential with maintained drive range performance. Alternatively, if vehicle weight is to be maintained from the introduction of structural batteries the resulting drive range for lightweight EVs will be increased by 70%.
ISSN:1359-8368
1879-1069
DOI:10.1016/j.compositesb.2020.107822