Battery That’s 90% Cheaper Than Lithium-Ion https://finance.yahoo.com/news/power-pioneer-invents-battery-90-210000338.html

These new battery breakthroughs take years to scale up and become available.

It'll be good for stationary storage, from the article:

"Horie acknowledges that APB can’t compete with battery giants who are already benefiting from economies of scale after investing billions. Instead of targeting the “red ocean” of the automotive sector, APB will first focus on stationary batteries used in buildings, offices and power plants."

I tried the URL above and the link is dead, here is where I found the article:

https://finance.yahoo.com/news/power-pioneer-invents-battery-90-210000903.html