Fig. 3: Origin of OER performance and Cl- resistance.
From: MXene-Assisted NiFe sulfides for high-performance anion exchange membrane seawater electrolysis
a, b Bode plots for (Ni,Fe)S2@Ti3C2 and (Ni,Fe)S2 in 1 M KOH. In situ XPS fitting results of (c) Ni 2p, (d) Fe 2p, and (e) O 1 s for (Ni,Fe)S2@Ti3C2. f The concentrations of Fe and Ni leaching from (Ni,Fe)S2@Ti3C2 and (Ni,Fe)S2 after electrocatalysis at 0.5 A·cm−2 in 1.0 M KOH for different reaction times. g Potentiodynamic polarization curves of (Ni,Fe)S2@Ti3C2 and (Ni,Fe)S2. h The ClO- concentration in the electrolyte after 24 h continuous operation for (Ni,Fe)S2@Ti3C2 and (Ni,Fe)S2.
