Mechanical and Aerospace Engineering Research Team Receives $1.5M NSF Grant to Establish Research Center for Solid-State Electric Power Storage July 29, 2021 Qiao will be the principal investigator and site director for the NSF award. Mechanical and aerospace engineering professors Jeongmin Ahn, Bing Dong, Shalabh Maroo, Weiwei Zheng, Teng Zhang and Jianshun Zhang will be co-co-principal investigators or senior investigators.