Sodium batteries are already in electric cars many months ago

https://www.engadget.com/the-first-ev-with-a-lithium-free-sodium-battery-hits-the-road-in-january-214828536.html

Also you could buy individual cells on AliExpress

https://www.youtube.com/watch?v=s6zcI1GrkK4

If you have been following the Chinese solar industry, you would be aware that solar manufacturers from China, such as Suntec etc have gone bankrupt over the past decade or more. China’s approach of allowing underperforming solar companies to go bankrupt is one of the reasons why their solar industry is so formidable.

I suppose the original source titled it better.

CATL expects its batteries to power electric aircraft with up to 3,000 km range

Sodium batteries are already in electric cars many months ago

https://www.engadget.com/the-first-ev-with-a-lithium-free-sodium-battery-hits-the-road-in-january-214828536.html

Also you could buy individual cells on AliExpress

https://www.youtube.com/watch?v=s6zcI1GrkK4