POSITIVE ELECTRODE SLURRY, POSITIVE ELECTRODE, SECONDARY BATTERY, AND POSITIVE ELECTRODE MANUFACTURING METHOD

A positive electrode slurry including a positive electrode material mixture and a dispersion medium for dispersing the positive electrode material mixture. The positive electrode material mixture contains a positive electrode active material, an electrically conductive agent, a binder, and an additive. The additive includes a compound intramolecularly having a polyether group and an acidic group.