A Comprehensive Electric Vehicle Model for Vehicle-to-Grid Strategy Development

Fabian Rücker, Ilka Schoeneberger, Till Wilmschen, Ahmed Chahbaz, Philipp Dechent, Felix Hildenbrand, Elias Barbers, Matthias Kuipers, Jan Figgener and Dirk Uwe Sauer
Additional contact information
Fabian Rücker: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany
Ilka Schoeneberger: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany
Till Wilmschen: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany
Ahmed Chahbaz: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany
Philipp Dechent: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany
Felix Hildenbrand: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany
Elias Barbers: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany
Matthias Kuipers: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany
Jan Figgener: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany
Dirk Uwe Sauer: Electrochemical Energy Conversion and Storage Systems, Institute for Power Electronics and Electrical Drives (ISEA), RWTH Aachen, Jägerstr. 17-19, 52066 Aachen, Germany

Energies, 2022, vol. 15, issue 12, 1-31

Abstract: A comprehensive electric vehicle model is developed to characterize the behavior of the Smart e.d. (2013) while driving, charging and providing vehicle-to-grid services. To facilitate vehicle-to-grid strategy development, the EV model is completed with the measurement of the on-board charger efficiency and the charging control behavior upon external set-point request via IEC 61851-1. The battery model is an electro-thermal model with a dual polarization equivalent circuit electrical model coupled with a lumped thermal model with active liquid cooling. The aging trend of the EV’s 50 Ah large format pouch cell with NMC chemistry is evaluated via accelerated aging tests in the laboratory. Performance of the model is validated using laboratory pack tests, charging and driving field data. The RMSE of the cell voltage was between 18.49 m V and 67.17 m V per cell for the validation profiles. Cells stored at 100% SOC and 40 °C reached end-of-life (80% of initial capacity) after 431–589 days. The end-of-life for a cell cycled with 80% DOD around an SOC of 50% is reached after 3634 equivalent full cycles which equates to a driving distance of over 420,000 k m . The full parameter set of the model is provided to serve as a resource for vehicle-to-grid strategy development.

Keywords: electric vehicle; battery components; calendar aging; cycle aging; battery model; liquid cooling; charging control; charger efficiency (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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