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Han Hu
Han Hu is the Vice Dean of College of Chemistry and Chemical Engineering, and a Professor of Chemical Engineering, China University of Petroleum (East China). He is working on design and preparation of carbon materials for energy storage and converion. Currently, He is presiding 2 national fund projects, and more than 5 projects entrusted by provincial level and enterprises. In his professional field, he has published more than 50 peer-reviewed papers in JACS, Angew, Adv. Mater., Adv. Funct. Mater., ACS Nano and other journals. He has served as the youth board member for a wealth of profound journals including Sci. Bull., Chinese Chemical Letters, EcoMat, and so on.
Presentation title: Operando Characterization of Energy Materials Based on Electron Spin
Abstract: A deep understanding of energy materials’ evolution during operation plays a crucial role in optimizing their structures for improved performance. In almost all the electrochemical processes for energy storage and conversion, electron transfer is the essential step via which the spin of electrons will provide valuable information for an insight into the fundamental mechanism. In this regard, two types of operando characterization techniques, namely magnetometry and electron spin resonance, are developed based on electron spin. By using these techniques, the traditionally-believed inactive transition metals have been revealed to store charges at the interface with the solid electrolyte interface and the strong interaction between hard carbon and sodium ions has been confirmed. The operando characterizations developed here may be of paramount importance for developing better materials for energy storage.