Abstract
Fast charging is seen as a means to facilitate long-distance driving for electric vehicles (EVs). As a result, roll-out planning generally takes a corridor approach. However, with higher penetration of electric vehicles in urban areas, cities contemplate whether inner-city fast chargers can be an alternative for the growing amount of slow public chargers. For this purpose, more knowledge is required in motives and preferences of users and actual usage patterns of fast chargers. Similarly, with increasing charging speeds of fast chargers and different modes (taxi, car sharing) also switching to electric vehicles, the effect of charging speed should be evaluated as well as preferences amongst different user groups. This research investigates the different intentions and motivations of EV drivers at fast charging stations to see how charging behaviour at such stations differs using both data analysis from charging stations as a survey among EV drivers. Additionally, it estimates the willingness of EV drivers to use fast charging as a substitute for on-street home charging given higher charging speeds. The paper concludes that limited charging speeds imply that EV drivers prefer parking and charging over fast charging but this could change if battery developments allow higher charging speeds.
Highlights
Fast charging has mainly been considered as a means to accommodate long-distance driving for electric vehicles
While many cities have focused on a roll-out of slower level 2 charging as a substitute for lacking home and office charging possibilities, this research looks at the possibilities of using inner-city fast charging stations to fulfil charging needs
The data analysis shows that level 2 and fast charging stations are used for different purposes
Summary
Fast charging has mainly been considered as a means to accommodate long-distance driving for electric vehicles. Car sharing [6] are switching to electric vehicles They will make use of the same fast charging infrastructure. Usage patterns of fast charging stations and level 2 charging stations differ, suggesting different intentions of electric vehicle (EV) drivers for recharging. Various articles have looked into fast charging patterns [9,10,11], so far a systematic evaluation of the differences in intentions of EV drivers between fast charging in the city and along corridors is missing Such information is crucial for an efficient roll-out strategy to be able to make decisions about the speed and dimension of both level 2 and fast charging installations
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