Ph.D., Chemistry, Delft University of Technology, The Netherlands, 1999
M.Sc., Solid State Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China, 1992
B.Sc., Chemistry, Department of Chemistry, Beijing University, Beijing, China, 1989
Electrochemical energy storage and conversion systems (fuel cells, batteries, supercapacitors), solid state ionics, nano-materials, thin films, and corrosion.