Battery positive electrode material price
which the positive electrode consisted of 85 wt % Na 3 V 2 (PO 4) 2 F 3 /C composite, 8 wt % Super P carbon, and 7 wt % poly-(tetrafluoroethylene) (PTFE) binder. Sodium metal supported on a current collector was used as the negative electrode. The two electrodes were separated by a piece of glass fiber sheet immersed in 1 M NaClO