articleAdvanced Functional MaterialsApr 8, 2024Closed access

Relay Catalysis of Fe and Co with Multi‐Active Sites for Specialized Division of Labor in Electrocatalytic Nitrate Reduction Reaction

HLHongxia LuoSLShuangjun LiZWZiyang WuMJMiaomiao JiangMKMin Kuang

Donghua University · Shanghai Normal University · +1 more institution

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Abstract

Abstract Electrocatalytic nitrate reduction reaction (NO 3 RR) driven by renewable energy is a promising technology for the removal of nitrate‐containing wastewater. However, the sluggish kinetics resulted from the complex proton‐coupled electron transfer and various intermediates remain the key barriers for large‐scale application of NO 3 RR. Herein, a tactic is reported to raise rate of NO 3 RR and increase selectivity to N 2 using bimetal catalyst: Co is inclined to act on the key steps needed in NO 3 RR process, rate‐determining step (RDS: *NO 3 to *NO 2 , the asterisk means intermediates) and the subsequent *N hydrogenation as well as Fe exhibits the efficient activity for the selectivity‐ determining…

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159
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9

Topics & keywords

Topics
Keywords
  • Materials science
  • Nitrate
  • Catalysis
  • Relay
  • Oxygen reduction reaction
  • Reduction (mathematics)
  • Electrocatalyst
  • Division (mathematics)
UN Sustainable Development Goals
  • Clean water and sanitation
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