Global Alkali Metals Market By Type (Lithium(Li), Sodium (Na), Potassium(K), Rubidium (Rb), Cesium(Cs), Francium (Fr)), By Application (Pesticides, Alloy, Pharmaceutical & Intermediate, Battery, and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029