Low-Coordination Rhodium Catalysts for an Efficient Electrochemical Nitrate Reduction to Ammonia

Ammonia is an essential bulk chemical and the main component of fertilizers. In addition, the use of ammonia (NH3) as an energy carrier and hydrogen storage material has continuously surged. Electrochemical nitrate reduction is a low-carbon, environment-friendly, and efficient method of ammonia synthesis, which has attracted extensive attention in recent years; however, the overpotential needed to produce NH3 with most catalysts is still too large. In this work, we rationally designed rhodium nanoflowers (Rh NFs) composed of ultrathin nanosheets and explored their performance for the electrocatalytic nitrate reduction to ammonia (NITRR). With a high faradic efficiency of 95% at 0.2 V vs reversible hydrogen…

• CP
  China Postdoctoral Science Foundation

  Award: 2022M721701
• NS
  Natural Science Foundation of Tianjin City

  Award: 20JCJQJC00260
• HE
  Higher Education Discipline Innovation Project

  Award: B16027