Wei Xian-Kui, Professor and doctoral supervisor at the School of Chemistry and Chemical Engineering, Xiamen University, selected as a national high-level overseas young talent and NanQiang A-class young talent, and is the head of electron ultramicroscopy platform. In 2006 and 2011, he received his bachelor degree in physics and Ph.D. in condensed matter physics from Jilin University and the Institute of Physics, Chinese Academy of Sciences in China. From 2011 to 2022, he carried out his postdoctoral research work in the field of aberration-corrected transmission electron microscopy at the Swiss Federal Institute of Technology Lausanne and the Jülich Research Centre in Germany, by working with Prof. Chun-Lin Jia, Prof. Nava Setter, Prof. Rafal Dunin-Bowkowski and Prof. Joachim Mayer. He has led the establishment of the advanced aberration-corrected (cryo) electron microscopy platform at the Tan Kah Kee Innovation Laboratory of Xiamen University. Focusing on high-contrast imaging of light elements, He has initiated a self-featured research direction "Polar Ultramicroscopy Structure" in the study of functional oxide materials, energy catalytic materials, battery and topological insulator materials. So far, He has published more than 40 SCI papers in international journals, including Nat. Mater., Nano Lett., Phys. Rev. Lett., ACS Catal., etc., many of which were published as the first and corresponding author in Nat. Commun. (3) , Adv. Mater. (2), Adv. Energy Mater. (1), Adv. Funct. Mater. (1) and Nano Energy (1) (total citation > 1500 times, Google scholar H-index = 22). To honor his contribution in Nano-characterization Techniques, he was awarded the IAAM Young Scientist Medal in 2021 and was selected as a Vebleo Fellow. He has given more than ten invited and oral presentations at international conferences on electron microscopy and dielectrics, been invited as a peer reviewer for Nat. Commun., Adv. Mater., Nano Lett., Adv. Funct. Mater., ACS Nano., etc., and as a leading guest editor by Energies (MDPI) & Frontiers in Materials for a special issue about structure and energy storage. Meanwhile, he has been invited to write review articles on the progress of emerging ferroelectric materials used for energy harvesting, storage and conversion.