10.23642/USN.24235267 Huang Hao Huang Hao University of South-Eastern Norway DataverseNO 2023 Other Covalent Organic Framework-Based Na... electrochemistry 1 nitrate reduction chemistry ammonia (NH3) conductive 2 D-COF building blocks University of South-Eastern Norway University of South-Eastern Norway USN Research Data Support University of South-Eastern Norway 2023-11-24 2023-11-24 10.23642/USN.24235267/OHMV7G 10.23642/USN.24235267/SG18YE 10.23642/USN.24235267/THJWIC 10.23642/USN.24235267/9DPLIJ 10.23642/USN.24235267/KYIIPN 10.23642/USN.24235267/WVVJ2E 4703846 5485522 10003475 2988343 2300619 4696829 image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg 1.0 Creative Commons Attribution 4.0 International License. DATASET MIGRATED FROM FIGSHARE: <p dir="ltr">With their abundant metal sites, ordered porous structure and great conductivity, conductive metal-organic frameworks display many excellent single-atom electrocatalytic activities, superior to conventional inorganic nanostructure. However, their electrochemical application is greatly limited by the fragile coordinated frameworks. Here, we describe a metal-covalent organic frameworks (MCOFs) strategy to construct nitrate reduction (RNA) catalyst using M<sub>3</sub>∙HATN as the subgroup. Assisted by salt-template, M-HATN-COFs with abundant metal sites (M at% ≈ 12.5 %) are achieved by a one-step coordination-condensation approach. More importantly, the M-HATN-COFs provide a reasonable platform for studying of metal-atom catalytic mechanism, surpassing the current inorganic structures. The Mo-HATN-COFs exhibit outstanding electrocatalytic properties with a high ammonia yield rate (8.52 mg h<sup>−1 </sup>cm<sup>−2</sup>), FE (91.3 %) and stability for RNA reaction. As the first work of MCOFs for electrochemical NRA, the M-HATN-COFs strategy will innovate the design concept of next-generation catalyst and catalytic mechanism of single-metal-atom.</p> Metal graphdiyne towards electrochemical water splitting