Figure S5 Polarization curves MEA N modified PtC 17%RH

Figure S5: ORR polarization curves of the unmodified and N-doped Pt/C catalysts obtained in MEA measurements at 80 °C and 17 %RH in oxygen atmosphere (1 atm) A) I/C ratio = 0.1...图S5：未改性与氮掺杂铂碳（Pt/C）催化剂的氧还原反应（Oxygen Reduction Reaction, ORR）极化曲线，该曲线通过膜电极组件（Membrane Electrode Assembly, MEA）测试，在80 ℃、17%相对湿度（Relative Humidity, RH）的氧气气氛（1标准大气压）下测得，其中A组的I/C比为0.1……