Prof. Junjie Wang received a B.Sc. degree from Xi'an Jiaotong University, in 1983. Since 1983, he has been a Researcher at the Technical Institute of Physics and Chemistry, Chinese Academy of Sciences. His research interests mainly focus on low-temperature modification of materials, low-temperature refrigeration systems and equipment, and advanced energy storage system research. He won the second Prize for Scientific and Technological Progress of the Central Military Commission Science and Technology Commission in 2017.