More than 50 companies from around the world are jostling to negotiate lithium deals under Chile’s new public-private model. Until now, U.S.-based Albemarle (NYSE:ALB) and Chile-based Sociedad Quimica y Minera de Chile (NYSE:SQM) have dominated the Atacama salt flat, which represents 30% of global lithium production. However, President Gabriel Boric’s new solution is a model that will see the state take a controlling stake in strategic and sensitive operations while private firms will retain control of non-strategic…