Means expensive chemistry.
>targeting aircraft first
Means expensive chemistry
>no mention of durability
If they were highly durable this would be an important feature so they're likely not.
Sounds like these are going to be expensive special application batteries.
You've got to balance so many factors to commercially release a battery: safety, durability, reliability, weight, energy density, cost. You can build cheap batteries, they just have some terrible characteristics.
That was CATL's other announcement, two years ago: sodium-ion batteries. Now being incorporated into a model of car by Chery, one of the second tier Chinese EV manufacturers, and another by BYD, the biggest.
1. https://www.notebookcheck.net/First-electric-cars-with-BYD-a...