Lead(IV) oxide, also known as plumbic oxide or lead dioxide, is a chemical compound with the formula PbO2. It appears as a dark brown or black solid and is primarily used in the production of lead-acid batteries, where it serves as a positive electrode material. This compound is also utilized in various industrial applications, including glass manufacturing and as a catalyst in chemical reactions. Lead(IV) oxide is known for its strong oxidizing properties, making it effective in certain chemical processes. However, due to the toxicity of lead, safety precautions are essential when handling it.