Gold-Palladium nanoparticles supported by mesoporous β-MnO2 air electrode for rechargeable Li-Air battery

▸ Au/Pd NPs supported mesoporus β-MnO2 air electrode was synthesized by hydrothermal process. ▸ Au/Pd NPs supported mesoporus β-MnO2 air electrode has a high discharge capacity of 775 mAh g−1. ▸ Ex-situ XRD and Raman spectroscopy measurements confirm the Li2O2 formation during discharge. ▸ A stable cycle performance of Li-Air battery is attributed to the catalytic effect of Au-Pd on mesoporus β-MnO2.