プレスリリース Press Releases

(a) Comparison of conventional thermal, catalytic, and electrocatalytic pathways for AN hydrogenation. The thermal route often suffers from low selectivity and undesirable byproducts, while the electrochemical approach enables greener and highly selective EA synthesis. (b) Electronic structure modulation of metal sites induced by Eu doping, demonstrating its potential to regulate the adsorption configuration of key reaction intermediates. (c) Proposed mechanism of Eu-mediated transition of the AN intermediate from flat π-adsorption to vertical N-end vertical adsorption, facilitating efficient protonation and suppressing competing hydrogen evolution. ©Han Du et al.

(a) LSV curves at a scan rate of 10 mV s−1 in the electrolyte of 1.0 m KOH and 1.0 m KOH containing 8wt.% AN; (b) 1H NMR of products from Eu-Cu₂O@NF and Cu₂O@NF; (c) FE, selectivity and (d) EA yield rate of Eu-Cu₂O@NF and Cu₂O@NF under different bias potential; (e) Polarization curve of Eu-Cu₂O@NF and Cu₂O@NF in AEM reactor; (f) the chronopotentiometry test and corresponding FE results; (g) Expansion of high-value-added products by EA produced by AN-ECH: (1a) Ethylamine hydrochloride; (2a) Antiproliferatives precursor; (3a) Vitamin K3 derivatives; (4a) Enrofloxacin derivative; (5a) Simazine; (6a) Atrazine, the yield is indicated after the label number. ©Han Du et al.

Theoretical insights into AN-ECH: Surface Pourbaix diagrams of (a) Eu-Cu₂O@NF and (b) Cu₂O@NF; (c) Bader charge of the Eu-Cu₂O@NF surface; (d) ELF maps of Eu-Cu₂O@NF and Cu₂O@NF; (e) Gibbs free energy diagrams and corresponding geometric structures on the Eu-Cu₂O@NF and Cu₂O@NF; (f) COHP maps of Cu-N bonds of AN absorbed in Eu-Cu₂O@NF and Cu₂O@NF; (g) PDOS maps of AN absorbed in Eu-Cu₂O@NF, and the Figure inset shows the band-decomposed charge density, with blue and yellow representing wave functions of two different phases; (h) COHP maps of Cu-N bonds of EA absorbed in Eu-Cu₂O@NF and Cu₂O@NF. ©Han Du et al.