Strategies for addressing inability to retrieve piezocatalysts and pyrocatalysts

Abstract

Piezocatalysis and pyrocatalysis can achieve catalytic action with the application of external mechanical energy and varying temperatures. These catalytic processes have been widely applied in various fields, providing innovative solutions to issues such as water pollution, energy shortages, and global warming. Despite the continuous breakthroughs in the catalytic performance of piezocatalysts and pyrocatalysts, powder-based catalysts face significant limitations due to their inability to be retrieved and the risk of secondary pollution, severely restricting their application. Methods such as compression molding, 3D printing, and the preparation of ceramic-polymer bulk composites can effectively address the issue of catalyst retrievability. However, bulk catalysts, which lose a significant amount of surface area, still need their catalytic performance further enhanced. Therefore, achieving piezocatalysts and pyrocatalysts with excellent catalytic performance and retrievability is of increasing importance.

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