articleJournal of the American Chemical SocietyMar 26, 2024Closed access

Highly Efficient Electrosynthesis of Glycine over an Atomically Dispersed Iron Catalyst

YCYingying ChengSLShiqiang LiuJJJiapeng JiaoMZMeng ZhouYWYiyong Wang

Chinese Academy of Sciences · Beijing National Laboratory for Molecular Sciences · +3 more institutions

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Abstract

Glycine is a nonessential amino acid that plays a vital role in various biological activities. However, the conventional synthesis of glycine requires sophisticated procedures or toxic feedstocks. Herein, we report an electrochemical pathway for glycine synthesis via the reductive coupling of oxalic acid and nitrate or nitrogen oxides over atomically dispersed Fe–N–C catalysts. A glycine selectivity of 70.7% is achieved over Fe–N–C-700 at −1.0 V versus RHE. Synergy between the FeN3C structure and pyrrolic nitrogen in Fe–N–C-700 facilitates the reduction of oxalic acid to glyoxylic acid, which is crucial for producing glyoxylic acid oxime and glycine, and the FeN3C structure could reduce the energy barrier of…

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111
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100%
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Authors

15

Topics & keywords

Topics
Keywords
  • Glyoxylic acid
  • Chemistry
  • Oxalic acid
  • Glycine
  • Electrosynthesis
  • Catalysis
  • Nitrogen
  • Selectivity
UN Sustainable Development Goals
  • Responsible consumption and production
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