MnFe phosphides doped in hollow Prussian blue analogues with Ru modification as an efficient cathode for Li–O2 batteries

A highly efficient catalyst for Li-O2 batteries based on Ru and MnFe phosphides nanoparticles entrapped in a MnFe Prussian blue analogue (PBA) substrate (Ru-MnFeP/PBA) was explored. Synergy between homogeneous Ru and MnFe phosphides nanoparticles improved the catalytic activity and alleviated side reactions. The Li-O2 battery based on Ru-MnFeP/PBA exhibited excellent performance.