Cobalt(III) Oxide, with the chemical formula Co2O3, is a compound formed by cobalt and oxygen. It appears as a dark brown or black powder and is primarily used in ceramics, pigments, and as a catalyst in various chemical reactions. This oxide is notable for its stability and ability to withstand high temperatures. Cobalt(III) Oxide can also be involved in the production of lithium-ion batteries, where it contributes to the performance and efficiency of the battery materials.