Dr. Xu is currently an Assistant Professor in the Department of Industrial and Systems Engineering (ISE) at The Hong Kong Polytechnic University. Dr. Xu received his BSc degree in Materials Science and Engineering from Zhejiang University and PhD degree in Mechanical and Aerospace Engineering from Hong Kong University of Science and Technology. Before joining ISE at PolyU, he worked as Postdoc/Research Fellow at HKUST, PolyU and Seoul National University. His research interest mainly lies in the design, fabricate and characterization of advanced energy materials and devices, such as rechargeable batteries. He has also established multimodal in-situ characterizations, including in-situ TEM and operando synchrotron X-ray, to probe into the fundamentals in energy storage/conversion systems. His work has been published on top journals in the field including Nature Communications, Advanced Materials, Energy Environmental Science, Advanced Energy Materials, etc. Dr Xu is the winner of SENG PhD Research Excellent Award and Korea Research Fellowship Award.