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Optimizing battery sizes of plug-in hybrid and extended range electric vehicles for different user types

Redelbach, Martin and Özdemir, Enver Doruk and Friedrich, Horst E. (2014) Optimizing battery sizes of plug-in hybrid and extended range electric vehicles for different user types. Energy Policy, 73, pp. 158-168. Elsevier. doi: 10.1016/j.enpol.2014.05.052. ISSN 0301-4215.

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Official URL: http://www.sciencedirect.com/science/article/pii/S030142151400367X


There are ambitious greenhouse gas emissions (GHG) targets for the manufacturers of light duty vehicles. To reduce the GHG emissions, plug-in hybrid electric vehicle (PHEV) and extended range electric vehicle (EREV) are promising powertrain technologies. However, the battery is still a very critical component due to the high production cost and heavy weight. This paper introduces a holistic approach for the optimization of the battery size of PHEVs and EREVs under German market conditions. The assessment focuses on the heterogeneity across drivers, by analyzing the impact of different driving profiles on the optimal battery setup from total cost of ownership (TCO) perspective. The results show that the battery size has a significant effect on the TCO. For an average German driver (15,000 km/a), battery capacities of 4 kWh (PHEV) and 6 kWh (EREV) are cost optimal in 2020. However, these values vary strongly with the driving profile of the user. Moreover, the optimal battery size is also affected by external factors, e.g. electricity and fuel prices or battery production cost. Therefore, car manufacturers should develop a modular design for their batteries, which allows adapting the storage capacity to meet the individual customer requirements instead of “one size fits all”.

Item URL in elib:https://elib.dlr.de/90176/
Document Type:Article
Title:Optimizing battery sizes of plug-in hybrid and extended range electric vehicles for different user types
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Özdemir, Enver Dorukdoruk.oezdemir (at) dlr.deUNSPECIFIED
Friedrich, Horst E.horst.friedrich (at) dlr.deUNSPECIFIED
Journal or Publication Title:Energy Policy
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.enpol.2014.05.052
Page Range:pp. 158-168
Keywords:Electric driving range; driving profiles; total cost of ownership (TCO)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Transport System
DLR - Research area:Transport
DLR - Program:V VS - Verkehrssystem
DLR - Research theme (Project):V - Verkehrsentwicklung und Umwelt II (old)
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts
Deposited By: Özdemir, Doruk
Deposited On:22 Sep 2014 13:30
Last Modified:31 Jul 2019 19:47

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