I wonder if Aluminium–air battery can be used for flying. They are not rechargeable, but with zero cost of energy during daytime, a supply chain can be built.

I wonder if Aluminium–air battery can be used for flying. They are not rechargeable, but with zero cost of energy during daytime, a supply chain can be built. The design battery energy density is 1300 Wh/kg (present) or 2000 Wh/kg (projected): https://en.wikipedia.org/wiki/Aluminium%E2%80%93air_battery https://en.wikipedia.org/wiki/Aluminium%E2%80%93air_battery