Ann: Sal de Vida to adopt production of battery grade, page-54

Tell that to Orocobre!

In the quarter ended September 30, 2020, the company said market conditions and product pricing continued to be challenging with significantly higher sales volume of 3,393 at US$3,102/tonne following discounting of excess inventory in July. Sales volumes were comprised of approximately 22% battery-grade lithium carbonate and the remainder primary grade lithium carbonate.

From : https://resourceworld.com/lithium-price-poised-to-rebound-orocobre-says/

Battery-grade carbonate (in large volumes) from brine is not straightforward. If it was, SQM wouldn't be raking in the $$$$.