Innovative approaches in electric vehicle powertrain design: Challenges and future trends

Abstract

The rapid advancement in electric vehicle (EV) technology, specifically in powertrain design, plays a critical role in achieving the global goals of reducing carbon emissions and transitioning to sustainable transportation systems. The powertrain of an EV, consisting of the electric motor, battery, inverter, and transmission system, is fundamental to the vehicle’s performance, energy efficiency, and overall market acceptance. This paper delves into the innovative approaches to EV powertrain design, addressing key advancements in motor technology, battery systems, power electronics, and integration strategies. It critically evaluates the ongoing challenges hindering the mass adoption of EVs, such as high production costs, battery energy density, limited charging infrastructure, and thermal management issues. By examining the latest trends, such as the shift towards permanent magnet synchronous motors (PMSMs), solid-state battery development, and advancements in wide-bandgap semiconductors for power electronics, this paper outlines the current landscape of EV powertrain technologies. Furthermore, it identifies the gaps in existing research, particularly regarding cost reduction, sustainability, and efficiency improvements. Through a detailed literature review and analysis of emerging technologies, this paper provides insights into the future trajectory of electric vehicle powertrain systems. The results emphasize the importance of continued innovation and cross-sector collaboration to overcome technical and economic barriers and accelerate the transition to electric mobility. The paper concludes by proposing potential directions for future research and technological developments aimed at optimizing EV powertrain efficiency, enhancing affordability, and achieving long-term sustainability in the automotive industry.