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Article Abstract
Piezocatalysis holds remarkable potential for enabling eco-friendly and sustainable HO production. In this study, a porous nanosheet-structured ZnO was synthesized morphological engineering, demonstrating an enhanced surface area and superior stress responsiveness. Furthermore, a carbon layer derived from sodium lignosulfonate was introduced to construct a series of porous C/ZnO composites. The optimized catalyst effectively promotes the oxygen reduction reaction pathway, achieving a high HO production rate of 4604.0 μmol g h in pure water without any cocatalysts or sacrificial agents. Combined experimental results and characterization analyses reveal that the carbon layer facilitates interfacial electron transfer and advances oxygen adsorption and activation, thereby substantially boosting catalytic performance. This work offers meaningful insights and a strategic reference for the development of advanced multifunction piezocatalytic systems.
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