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Zn-Schiff Base Polymer Electrocatalytic H2O2 Generation: Mechanistic Insights from In Situ Spectroscopy
Zhipeng Sun1, Chen Zhang1, Yue Wang1
1National Laboratory of Solid State Microstructures (NLSSM), Collaborative Innovation Center of Advanced Microstructures, Frontiers Science Center for Critical Earth Material Cycling, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China.
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The production of H2O2 via the two-electron pathway of ORR has been widely studied. We pioneered the use of a Zn-Schiff base conductive polymer nanorod as an electrocatalyst for H2O2 production, leveraging the Schiff base's ability to enhance electron transfer and catalytic efficiency. This novel catalyst achieved an unprecedented >98% H2O2 selectivity with >90% stability after 1000 h. In situ DRIFTS, in situ SERS, and theoretical calculations confirm the Schiff base's critical role in optimizing electron transfer for superior H2O2 generation.
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