Ozone synthesis from oxygen in narrow‐gap hybrid discharge integrated with oxide coating: The role of surface catalytic reactions

摘要

Integrating oxide coatings with narrow-gap hybrid discharge (HD) can modulate ozone (O-3) synthesis. O-3 concentration (CO3) and energy yield (eta) for HD can be enhanced by single-valent oxides, whereas they are reduced by multivalent oxides. The discharge and oxide characterizations suggest that surface catalytic reactions play a crucial role in the synthesis of O-3: single-valent oxide coatings facilitate O-3 production by offering abundant catalytic sites for surface catalytic reactions; surface catalytic reactions on multivalent oxide coatings suppress O-3 production because of the dominating O-3 decomposition over highly active sites of oxygen vacancies. This study is inspirational for designing and fabricating high-efficiency O-3 generators.