Photo Credit:Fair Use [17 U.S.C. § 107] Zero Emissions electric turboprop concept illustration

MIT's Sodium Fuel Cell Powers Planes, Captures Carbon, and Outruns Batteries

03 Jun 2025 | Abstracted from Scitech Daily

"Using liquid sodium and ambient air, this system offers triple the energy density of current EV batteries - potentially enabling electric aircraft...The sodium-air fuel cell stored more than three times as much energy per kilogram as the lithium-ion batteries used in today's electric vehicles...The threshold that you really need for realistic electric aviation is about 1,000 watt-hours per kilogram...Tests using an air stream with a carefully controlled humidity level produced a level of more than 1,500 watt-hours per kilogram."

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