Comparison of SDnitriteand TOF with corresponding mass isoactivity at 0.85 VRHE(c) of benchmark single atom FeNC catalysts of; Zitolo et al. (zeolitic imidazolate framework-8 (ZIF-8) derived),[61]Malko et al. (polymerized di-amino naphthalene-based),[62]University New Mexico and Pajarito Powder Inc. commercial catalyst PMF-011904 (both silica-templating-based),[4]Mehmood et al. (ZIF-8 derived),[18]and Jiao et al. (ZIF-8 derived).[17]Part of data obtained is replotted from ref. [18] All SDNitriteelectrochemical measurements with assumed 5e-nitrite stripping process in 0.5msodium acetate buffer (pH 5.2) in a rotating disk electrode with 0.2 mgFeNCcm-2loading except Wan et al. who used 0.27 mgFeNCcm-2and did not present data at 0.85 VRHE(see FigureS28e, Supporting Information, for 0.80 VRHEdata).
