Favoring the unfavored: Selective electrochemical nitrogen fixation using a reticular chemistry approach

Abstract

Originally unfavored nitrogen-to-ammonia electroconversion is now preferred over competing reaction using reticular chemistry.

Atomically Dispersed Molybdenum Catalysts for Efficient Ambient Nitrogen Fixation

“…[1][2][3][4] From an energy-saving perspective,g reen N 2 to NH 3 fixation methods are strongly desired because the main industrial process for producing NH 3 -the Haber-Bosch process-requires extremely harsh reaction conditions (400-600 8 8C, 20-40 MPa) and causes pollution and greenhouse gas emissions. [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27] However,t he efficiency of the NRR suffers from ap arallel hydrogen evolution reaction (HER) in aqueous solutions on traditional NRR electrocatalysts. [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27] However,t he efficiency of the NRR suffers from ap arallel hydrogen evolution reaction (HER) in aqueous solutions on traditional NRR electrocatalysts.…”

Ammonia Synthesis Under Ambient Conditions: Selective Electroreduction of Dinitrogen to Ammonia on Black Phosphorus Nanosheets

“…Ammonia (NH 3 )i sabasic raw chemical material used in modern industry and agriculture. [8,[14][15][16][17][18][19][20][21][22][23] Specifically,b enefiting from the unoccupied and occupied dorbitals of transition metals,t he electron density from N 2 is synergically accepted with appropriate energy and symmetry,a nd then, the transition metal donates electrons to the p*o rbital of NN, strengthening N 2 adsorption and weakening the NNbond. [2,3] In contrast, electrochemical reduction of nitrogen into ammonia under ambient conditions is ap otential strategy for sustainable ammonia production.…”

Overcoming Chemical Inertness under Ambient Conditions: A Critical View on Recent Developments in Ammonia Synthesis via Electrochemical N2 Reduction by Asking Five Questions

“…For example, Hiang Kwee Lee et al provided a new strategy for catalysts design by coating a metal-organic framework (MOF) layer over the NRR electrocatalyst (Figure 2a). [23] Due to the hydrophobic structure and gas-concentrating ability of ZIF, a remarkable NRR selectivity of around 90 % can be achieved ( Figure 2b). Using a comparable approach, Jianyun Zheng et al designed a unique aerophilic-hydrophilic heterostructure by using poly(tetrafluoroethylene) porous framework (PTFE) on the Ti layer coated on an Si surface where Au was then highly dispersed (Au-PTFE/TS) ( Figure 2c).…”