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Electrochemical NO2RR tsts
(A) LSV curves of Nb−NiO in various electrolytes.
(B and C) (B) Chronoamperometry test of Nb−NiO at different potentials after 0.5 h electrolysis and (C) obtained NH3 yield rates and FENH3.
(D) Comparison of NH3 yield rates and FENH3 between Nb−NiO and reported NO2RR catalysts.
(E) Comparison of the NO2RR performance between NiO and Nb−NiO at −0.6 V.
(F and G) (F) Cycling and (G) long-term stability tests of Nb−NiO at −0.6 V.
