The aluminum-air battery is brand-new chemical power source with abundance in nature, low price, high energy density and long life. The aluminum air battery with simulated seawater as electrolyte, has promised application in lantern pharos and submarine. However, serious polarization and poor stability of air cathode limited the further application of aluminum-air battery.
In this paper, the perovkite type oxide LaCoO_3 as a catalyst for oxygen reduction was prepared by sol-gel method. The temperature o...