Fig. 4: In-situ ATR-SEIRAS spectra and operando analysis of the dynamic evolution of the relationship among surface species and electrolyte, electron transfer during OER and UOR processes for A-NiCoMn-TAC/LDH. | Nature Communications

Fig. 4: In-situ ATR-SEIRAS spectra and operando analysis of the dynamic evolution of the relationship among surface species and electrolyte, electron transfer during OER and UOR processes for A-NiCoMn-TAC/LDH.

From: Pronounced orbital-coupled asymmetrically coordinated NiCoMn heterotrimetallic atomic sites enable efficient thousand-hour urea electrooxidation-coupled hydrogen production

Fig. 4: In-situ ATR-SEIRAS spectra and operando analysis of the dynamic evolution of the relationship among surface species and electrolyte, electron transfer during OER and UOR processes for A-NiCoMn-TAC/LDH.

a In the range of 1000 to 4000 cm−1 during UOR. b Regional in-situ ATR-FTIR spectra and c at different applied potentials during UOR. d Bode plots of A-NiCoMn-TAC/LDH in KOH. e The corresponding plots of A-NiCoMn-TAC/LDH in KOH with urea (The blue, red and yellow areas respectively represent the low, medium and high frequency regions).

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