Study of CO<sub>2</sub> conversion to e-Chemical using polymer electrolyte membrane based electrolyzer
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Nanoscale catalytic materials are key components of various electrochemical devices for storing and converting renewable energy, such as fuel cell, water splitting and CO2 electrolysis system. In this talk, we will highlight some of our recent work on the design and understanding of precious/non-precious metal and metal oxide catalyst materials for oxygen evolution reaction (OER) and CO2 reduction reaction (CO2RR). Especially, their electronic structure and electrochemical stability during operating condition were analysed by using in-situ/operando X-ray absorption spectroscopy. Based on these results, we will outline the preparation, characterization, and catalytic performance of metal and metal oxide model catalysts and discuss fundamental aspects of their structure-activity and –stability relationships.