Center for Technology Commercialization

Program: Marquette University

High-Power Electric Propulsion for Aviation and Beyond

Technology Sectors:

The Opportunity: Making Electric Flight Commercially Viable

Electric and hybrid-electric aircraft promise lower emissions, reduced operating costs, and new regional mobility solutions. However, widespread adoption remains constrained as today’s electric propulsion systems lack the power density, efficiency, and thermal performance needed for commercial aviation. The industry needs lighter, more powerful electric drivetrains capable of delivering aerospace-grade performance while competing with conventional propulsion systems.

The Technology & Current Status

These technologies comprise an integrated electric propulsion platform that combines advanced motors, power electronics, thermal management, and control technologies into a compact, high-performance drivetrain. Key innovations include additively manufactured motor windings with integrated cooling, modular power electronics using wide-bandgap semiconductor technologies, lightweight thermal management systems, and the proprietary Integrated Modular Motor Drive (IMMD) architecture. Together, these technologies deliver 2-3× higher specific power than current electric propulsion systems while improving efficiency, reliability, fault tolerance, and scalability. The first integrated motor prototype has been built and is entering performance validation.

Initial Target Applications and Markets

Initial commercialization efforts focus on electric and hybrid-electric aircraft, including advanced air mobility (eVTOL), regional commuter aircraft, and next-gen aerospace propulsion systems. Adjacent applications include marine propulsion (commercial and naval vessels), underground mining equipment, light- and heavy-duty transportation, mass transit electrification, and advanced robotics and automation systems where compact, lightweight, high-power electric drive systems provide significant performance advantages.