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129th General Meeting of Korean Chemical Society & Exposition RuO2 Supported on the PdPb Nanosponges Show Enhanced Electrocatalytic Activity and Stability for OER in acidic media

Submission Date :
2 / 28 / 2022 , 09 : 55 : 15
Abstract Number :
129022826248
Presenting Type:
Poster Presentation
Presenting Area :
Material Chemistry
Authors :
Doyeop Kim, Kwangyeol Lee*
Department of Chemistry, Korea University, Korea
Assigned Code :
MAT.P-667 Assigend Code Guideline
Presenting Time :
April 14 (THU) 11:00~13:00
Hydrogen production through electrochemical water splitting is potentially carbon-free, and can be a primary pathway to reduce fossil fuel usage. The sluggish kinetics of oxygen evolution reaction (OER) half-reaction is a key hurdle to overcome in boosting the reaction efficiency. Although Ru-based nanocatalysts exhibit excellent activities for the acidic OER, they are prone to be dissolved in acidic conditions. Herein, we synthesized RuO2 on the PdPb nanosponge via seed-mediated growth and subsequent thermal oxidation to stabilize the Ru-based nanocatalyst. The prepared RuO2 on the PdPb nanosponges exhibited excellent catalytic activity and stability in acidic OER.