GM shakes up lithium industry with California geothermal project | Reuters

…The geothermal process involves extracting super-hot lithium-rich brine from reservoirs 8,000 feet (2.4 km) underground and using the heat to produce electricity, after which lithium is extracted from the brine...

https://www.reuters.com/business/autos-transportation/gm-shakes-up-lithium-industry-with-california-geothermal-project-2021-07-02/