Fig. 4From: Photoelectrochemical properties of mesoporous NiO x deposited on technical FTO via nanopowder sintering in conventional and plasma atmospheresCyclic voltammetries of CS NiO x on FTO substrate at different scan rates. Open circuit potential (OCV): 3.07 V vs Li+/Li. (J current density, E applied potential). Electrolyte as in Fig. 1. Arrows indicate the verse of scanBack to article page