Dr Pengcheng Yu is a postdoctoral researcher at Peking University. He earned his PhD in Chemistry from the National University of Singapore (2024) and a BEng in Chemical Engineering from South China University of Technology (2019). His research focuses on solid-state electrolytes and advanced battery materials for lithium and sodium-ion storage. He has authored several peer-reviewed publications and is currently developing high-performance solid electrolytes and advancing interfacial engineering for next-generation energy storage systems.