Geothermal Lithium (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Geothermal Lithium

Caption

The hot brine that comes up from the subsurface as part of geothermal power production at the Salton Sea in California is a rich stew of minerals, including iron, magnesium, calcium, sodium, and lithium. Using various extraction techniques, lithium chloride can be extracted from the brine, then processed into other forms for battery production.

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(Credit: Jenny Nuss/Berkeley Lab)

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