The challenges and opportunities of battery-powered flight

Venkatasubramanian Viswanathan (), Alan H. Epstein (), Yet-Ming Chiang, Esther Takeuchi, Marty Bradley, John Langford and Michael Winter
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Venkatasubramanian Viswanathan: Carnegie Mellon University
Alan H. Epstein: Massachusetts Institute of Technology
Yet-Ming Chiang: Massachusetts Institute of Technology
Esther Takeuchi: Stony Brook University
Marty Bradley: University of Southern California
John Langford: Electra.aero
Michael Winter: Pratt & Whitney

Nature, 2022, vol. 601, issue 7894, 519-525

Abstract: Abstract Aircraft, and the aviation ecosystem in which they operate, are shaped by complex trades among technical requirements, economics and environmental concerns, all built on a foundation of safety. This Perspective explores the requirements of battery-powered aircraft and the chemistries that hold promise to enable them. The difference between flight and terrestrial needs and chemistries are highlighted. Safe, usable specific energy rather than cost is the major constraint for aviation. We conclude that battery packs suitable for flight with specific energy approaching 600 watt hours per kilogram may be achievable in the next decade given sufficient investment targeted at aeronautical applications.

Date: 2022
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DOI: 10.1038/s41586-021-04139-1

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