Dr. Yan Yin is a professor in the Department of Mechanical Engineering at Tianjin University, China. She received her Ph.D. in 2003 in Symbiotic Environmental Systems Engineering from Yamaguchi University, Japan. She is working at the State Key Laboratory of Engines and has a wide range of research interests, including polymer electrolyte membrane fuel cells, electrolyzers, membrane separation and energy conversion devices. Dr. Yin has published over 150 papers in international Journals such as Nature Energy, Energy Environ. Sci. and Angew. Chem., with 10,000+ citations and an H-index of 54. She has been included in the list of the top 2% of scientists worldwide in terms of both "Annual Impact" and "Lifetime Scientific Impact". Her research is both fundamental and application oriented, involving structure-morphology-property relationships of materials and performance evaluation. Yin’s current research interests include developing new ionic membranes, catalysts for fuel cells/electrolyzers towards low carbon energy conversion systems.