Professor Lin has particular expertise in physical chemistry, electrochemistry and electrochemical engineering. The primary themes of his research are related to clean energy, environment and water. He collaborates internationally and has led a significant number of externally funded projects, ranging from fundamental understanding of electro-catalysis at atomic and molecular levels to applied R&D in energy materials, net zero green hydrogen production, fuel cells, batteries, and ozone generation from water for water treatment and advanced oxidation technologies; has an output of over 180 publications, 6 patents and contributions to 2 spinouts.