Article (Scientific journals)
Customer satisfaction at large charging parks: Expectation-disconfirmation theory for fast charging
Bollenbach, Jessica; Halbrügge, Stephanie; Wederhake, Lars et al.
2024In Applied Energy, 365, p. 122735
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Keywords :
Electric mobility Smart charging Fast charging Utilitarian welfare Customer satisfaction Expectation-performance gap
Abstract :
[en] Drivers of battery electric vehicles, especially along motorways, require fast-charging services and expect maximum charging power to overcome long servicing times. However, charging park operators cannot always meet customer expectations due to economic and technical restrictions. According to the expectationdisconfirmation theory, the resulting expectation-performance gap increases the dissatisfaction of vehicle drivers regarding the servicing time in a non-linear manner. Therefore, we present an optimization model with a utilitarian welfare function grounded in social choice theory. Besides a current real-world case based on a fastcharging park in Germany, we analyze further (technical) developments of electric mobility with four future cases. Compared to a uniform power allocation, our results display a reduced absolute average gap of up to 4 min (i.e., 13.3%) between expected and actual servicing time in the real-world case, thus, improving welfare by 22.9%. With an increased average gap reduction of up to 5.2 min, our future cases show the importance of addressing the expectations of battery electric vehicle drivers. Without a smart power allocation, the gap and simultaneously the dissatisfaction of vehicle drivers regarding the servicing time can increase, and potentially more hardware upgrades may be necessary.
Research center :
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > FINATRAX - Digital Financial Services and Cross-organizational Digital Transformations
Disciplines :
Computer science
Author, co-author :
Bollenbach, Jessica;  Branch Business & Information Systems Engineering of the Fraunhofer FIT, Augsburg, Germany ; FIM Research Center for Information Management, Augsburg, Germany ; University of Bayreuth, Bayreuth, Germany
Halbrügge, Stephanie;  Branch Business & Information Systems Engineering of the Fraunhofer FIT, Augsburg, Germany ; FIM Research Center for Information Management, Augsburg, Germany ; University of Bayreuth, Bayreuth, Germany
Wederhake, Lars;  credium GmbH, Augsburg, Germany
WEIBELZAHL, Martin ;  University of Luxembourg ; Branch Business & Information Systems Engineering of the Fraunhofer FIT, Augsburg, Germany ; FIM Research Center for Information Management, Augsburg, Germany ; University of Bayreuth, Bayreuth, Germany
Wolf, Linda;  Branch Business & Information Systems Engineering of the Fraunhofer FIT, Augsburg, Germany ; FIM Research Center for Information Management, Augsburg, Germany ; University of Bayreuth, Bayreuth, Germany
T I C L E I N F O, A
External co-authors :
yes
Language :
English
Title :
Customer satisfaction at large charging parks: Expectation-disconfirmation theory for fast charging
Publication date :
17 April 2024
Journal title :
Applied Energy
ISSN :
0306-2619
eISSN :
1872-9118
Publisher :
Elsevier BV
Volume :
365
Pages :
122735
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Security, Reliability and Trust
Development Goals :
9. Industry, innovation and infrastructure
Available on ORBilu :
since 20 December 2024

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