Extended Data Fig. 5: Coking resistance of Ni/BZY and Ni/YSZ anodes investigated by in situ HT-Raman spectroscopy. | Nature

Extended Data Fig. 5: Coking resistance of Ni/BZY and Ni/YSZ anodes investigated by in situ HT-Raman spectroscopy.

From: Highly durable, coking and sulfur tolerant, fuel-flexible protonic ceramic fuel cells

Extended Data Fig. 5

a, Raman spectra of Ni/YSZ anode exposed to humidified methane (S:C = 2; 500 °C) at various times up to 200 min. b, Raman spectra of Ni/BZY anode exposed to humidified methane (S:C = 2; 500 °C) at various times up to 360 min. c, Raman spectra of Ni/BZY anode exposed to humidified methane (S:C = 1; 500 °C) at various times up to 72 h (4,320 min). d, Raman spectra of Ni/YSZ anode exposed to humidified methane (S:C ≈ 1; 550 °C) at various times up to 40 min. e, Raman spectra of Ni/BZY anode exposed to humidified methane (S:C ≈ 1; 550 °C) at various times up to 100 min.

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