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> 알림마당 > 정기세미나


Designing Non-Precious Metal Electrocatalysts for Renewable Energy Conversion Reactions
일자 2017.05.29(월) 17:00 연사 주상훈 교수 소속 UNIST 에너지 및 화학공학부
The development of highly active and durable electrocatalysts has been of pivotal importance in renewable energy conversion and storage devices such as fuel cells and electrolyzers. Although precious group metals have been predominantly used as electrocatalysts for such devices during the last several decades, their high costs, declining activity with long-term use, and limited supplies have triggered a great deal of recent efforts toward seeking low-cost alternatives. In this presentation, I will present our recent efforts in designing non-precious metal and carbon-based electrocatalysts with high activity and durability for renewable energy conversion reactions, including oxygen reduction reaction, oxygen evolution reaction, and hydrogen evolution reaction. I also present our endeavor toward identifying catalytically active sites in these electrocatalysts by in situ spectroscopic and computational methods, and applying the developed electrocatalysts in system-level devices.