Introduction to Lithium - Lithium, whose symbol is Li, is a chemical element of group 1 in the periodic table. It is a low-density metal in the alkali metals group, and it is lightest of the solid elements. Lithium is a soft and white metal, and several of its alloys and compounds are produced on an industrial scale. Lithium is a key factor in the green energy storage industry. It has significant strategic value due to its potential to contribute to a country’s economic development. It has a range of uses in chemical and technical applications. Lithium in various forms is used in batteries, lubricants, greases, pharmaceuticals, and air treatment energy storage.