Unlike Super P, FATO nanoparticles form a stable conductive matrix after the first cycle, as judged by the stable performance in the cyclovoltammogram from the second cycle onwards, not showing decreasing currents which would imply a deterioration of the additive's conductivity. For La2NiO4 the FATO-based composite also reaches the cut-off potential much closer to the theoretical capacity than the Super P-based composite, again demonstrating the higher oxidative stability of the FATO NPs in comparison to carbon. However, with about 220 mAh g -1 ,