fig6

Figure 6. (A) Schematic illustration of electrochemical presodiation of PH5[82]. (B) Scheme of voltage-driven presodiation process of Sb@ZMF/C anode and full cell configuration[83]. (C) Charge-discharge voltage profiles of Na-Sb@ZMF/C||NaVPO4F model after presodiation (left) and specific capacity and Coulombic efficiencies of Na-Sb@ZMF/C||NaVPO4F, Na-Cu||NaVPO4F and Na||NaVPO4F full cells at 0.5 C (right)[83].