EVsPhys.org Technologyabout 1 hour ago
Researchers Set Battery Targets for Solar Aircraft
4 min read
Harvard researchers establish 500 watt-hours per kilogram as a critical battery energy density threshold for next-generation solar aircraft. Published in ACS Energy Letters in 2026, the study argues this target is essential for viable persistent flight, contrasting it with current commercial EV batteries at roughly 250 watt-hour per kilogram.
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