New fuel cell could enable electric aviation
news.mit.edu
MIT engineers developed a fuel cell that offers more than three times as much energy per pound compared to lithium-ion batteries. Powered by a reaction between sodium metal and air, the device could be lightweight enough to enable the electrification of airplanes, trucks, or ships.
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The original was posted on /r/science by /u/fchung on 2025-05-31 15:51:04+00:00.

Original Title: New fuel cell could enable electric aviation: « These devices could pack three times as much energy per pound as today’s best EV batteries, offering a lightweight option for powering trucks, planes, or ships. »