| 초록 |
Hydrogen peroxide, a major electronic cleaning chemical, is one of the most valuable chemical feedstock that underpins the chip-making industry. Its industry has been left with an energy-intensive and multi-step method known as the anthraquinone process. Alternatively, other eco-friendly synthetic method is to electrochemically reduce oxygen to H2O2 via 2-electron pathway. Recently, noble metal-based electrocatalysts (ex, Au-Pd, and Pt-Hg) have been demonstrated to show H2O2 productivity although such expensive investment has seen low returns that fails to meet the scalable industry needs. In this talk, we present some methods to prepare the highly active and stable cobalt single-atom catalysts for electrochemical H2O2 production. We verified that the catalytic properties of single-atom based electrocatalysts can be modified only by changing the constituent elements. This unprecedented result will help us to understand previous unknown aspects of electrochemical H2O2 production. |
