Polymer Electrolytes for Advanced Electrochemical Devices

11/06/2020 - 4:00pm to 5:00pm
Speaker(s) / Presenter(s): 
Dr. Yu Seung Kim

Yu Seung Kim (yskim@lanl.gov)

Los Alamos National Laboratory


Abstract: A proper design of polymer electrolytes may result in significant performance and durability improvement in electrochemical devices. In this talk, I show some examples of how polymer electrolytes can bring remarkable performance improvement in low-temperature fuel cells, high-temperature fuel cells, alkaline anion-exchange membrane fuel cells, and alkaline water electrolyzers. Critical factors such as ionomer adsorption on the catalyst surface, the concentration of ionic functional groups, and polymer relaxation will be discussed to give insights to design high-performing electrochemical devices. 


Bio: Yu Seung Kim is a technical staff scientist at Los Alamos National Laboratory, USA. He received his B.S. degree from Korea University (1994) and his Ph.D. degree from Korea Advanced Institute of Science and Technology (1999) in the field of Chemical Engineering. He spent three years as a post-doctoral fellow at the Chemistry Department of Virginia Tech before joining the fuel cell group at Los Alamos (2003). He received the Outstanding Technical Contribution and Achievements Award from US DOE Hydrogen and Fuel Cell Program (2016). His current research interest is materials for fuel cells and electrolyzers. 

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