The comment comes after Tesla’s battery research team led by Jeff Dahn published a new research paper about progress made on their anode-free lithium-metal battery cell.

The new battery cell offers breakthrough improvement in energy density.

The battery researchers mentioned this new battery could even enable “electrified urban aviation”:

Such high energy density can increase the range of electric vehicles by approximately 280 km or even enable electrified urban aviation.

However, the new technology is still being improved and the current prototype cells are not achieving “high life cycles,” like Musk mentioned today.

https://electrek.co/2020/08/25/tesla-elon-musk-batteries-enabling-electric-aircraft-coming/