Vancouver-based Strongbow Exploration expects the London listing to help it raise 25 million pounds ($34 million) over the next 18 months, which will use to study the feasibility of resuming production at the South Crofty tin mine in Cornwall.
Australia's Lithium Power International and Canada's Bearing Lithium have sued Chile to block state-run Codelco from exploiting a lithium deposit where both have claims.
Chinese companies continue to aggressively try securing steady supply of lithium, a key ingredient in the making of batteries that power electric cars.