fig4
Figure 4. Neutral and near-neutral electrochemical behavior of Co4Ru1Ox: (A) HER polarization, (B) selected overpotentials, and (C) a 200 h stability trace at -10 mA cm-2 in 1 M PBS; (D) polarization and (E) selected overpotentials in saturated KHCO3; and (F) discharge polarization/power-density profiles for Zn-CO2 cells containing Co4Ru1Ox or Pt/C cathodes.






