Nanostructured Fe2O3 and CuO composite electrodes for Li ion batteries synthesized and deposited in one step

► Iron and copper oxides as materials for negative electrodes for Li ion batteries. ► Precursor composed of dissolved metal salts in presence of PVdF binder successfully electrosprayed. ► Nanosized oxide particles directly and homogeneously dispersed with PVdF onto the electrode. ► Electrostatic spray pyrolysis suitable for the direct production of nanocomposite electrode coatings.