Fig. 4: Electrochemical characterization of IL-containing MEAs obtained after three voltage recovery cycles vs. baseline Pt/C after two voltage recovery cycles evaluated at 80 °C and 100% RH. | Nature Communications

Fig. 4: Electrochemical characterization of IL-containing MEAs obtained after three voltage recovery cycles vs. baseline Pt/C after two voltage recovery cycles evaluated at 80 °C and 100% RH.

From: Revealing the role of ionic liquids in promoting fuel cell catalysts reactivity and durability

Fig. 4

a H2/air polarization curves, b power density at 150 kPaabs total pressure, c cyclic voltammograms recorded in H2/N2 and 100 kPaabs total pressure, d H2/O2 Tafel plots at 150 kPaabs total pressure, e CO-displacement at 0.35 V at 100 kPaabs and 40 °C, f correlation between local oxygen mass transport resistance and proton conductivity in 5 cm2 differential cells, cathode: HSA Pt/C or HSA Pt/C-IL with loading 0.13 ± 0.02 mg cm−2, anode: LSA Pt/C with loading 0.1 mg cm−2.

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