Unlocking the potential of sub-nanometer-scale copper via confinement engineering: A remarkable approach for electrochemical nitrate-to-ammonia conversion in wastewater treatment

Yuelong Liu,Mengshan Chen,Xue Zhao,Haoran Zhang,Yan Zhao,Yingtang Zhou

Chemical Engineering Journal（2023）

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摘要

Through the chelation effect of 1,10-phenanthroline and the spatial confinement effect of polydopamine-derived nitrogen-doped hollow carbon spheres, sub-nanometer-scale copper active species were constructed, which realized the electrochemical reduction of nitrate to ammonia in a complex water environment and purified nitrate wastewater.

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关键词

Sub-nanometer-scale copper, Single -atom Cu, Electrochemical nitrate reduction reaction, Ammonia, Sewage purification

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