Positive electrode and battery containing positive electrode

The invention relates to a positive electrode and a battery containing the positive electrode. Specifically, the invention provides a positive electrode, the positive electrode comprises a positive electrode active material, and the positive electrode active material comprises Hg2O7Sb2. The battery prepared from the positive electrode has the performance of excellent energy density, cut-off voltage, safety and the like. 本发明涉及一种正极及含有该正极的电池。具体地，本发明提供一种正极，所述的正极包括正极活性物质，所述的正极活性物质包括Hg2O7Sb2。本发明所述的正极制备的电池具有优异能量密度、截止电压、安全性等性能。