Figure 3From: Catalytic properties of Co3O4 nanoparticles for rechargeable Li/air batteriesElectrochemical properties of the air electrode containing Co 3 O 4 nanoparticles. Air electrode containing Co3O4 nanoparticles at a constant current density of 0.4 mA·cm-2 (voltage range of 4.35 to 2.3 V). (a) Initial voltage profile and (b) cyclic performance.Back to article page