Designing, prototyping, and testing an integrated e-axle for third-generation electric vehicles

Michele De Gennaro, James Hoyles Page, Tobias Wellerdieck, Antonio Lionetto, Sven Herber, Moritz Abbenhaus, Paolo Pescetto, Gianmario Pellegrino, Alfredo Primon, Patricio Torres, Andres Sierra-Gonzalez, Fernando Alvarez-Gonzalez, Michael Samsu-Koroma, Daniela Costa

Research output: Contribution to journalArticlepeer-review


This paper presents the results of the H2020 project FITGEN, aiming at designing, prototyping, and delivering a functionally integrated e-axle ready for its implementation in third-generation electric vehicles. The manuscript concisely glances through the design results of all its main components, presenting the prototype delivered in April 2021. Preliminary performance results show that the e-motor is capable of 23,000 rpm, 130 kW continuous, 220 kW peak power and 210 Nm peak torque. The e-motor delivers up to 5.2 kW/kg, while the inverter delivers up to 35 kW/l. Its high-speed design allows for achieving these targets with 1.35 kg of rare-earth magnets, reducing by one-third the content of rare-earths against the best-in-class market available e-motor technology in 2022. The final FITGEN performance results and demonstration are expected to be delivered in the second semester of 2022.
Original languageEnglish
JournalTransportation Research Procedia
Publication statusPublished - 2023

Research Field

  • Hybrid Electric Aircraft Technologies


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