super cool. The article says the project has been making improvements since 2018. But it seems like it’s still experimental. It feels like there must be some big impediments still, or a catch. Since it doesn’t say anything about actually putting it into production.

https://www.hellenicshippingnews.com/china-has-developed-first-coal-fuel-cell-that-generates-electricity-directly-everything-we-know-about-it/

The electrical efficiency must be incredible if no energy is lost as waste heat, tho I’m guessing the coal has to be highly purified considering anodes are super sensitive to any impurities