POSITIVE ELECTRODE MIXTURE PASTE, POSITIVE ELECTRODE, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND MANUFACTURING METHOD OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

In a positive electrode mixture paste manufacturing step (S1), a positive electrode mixture paste (10) is manufactured by further mixing an acid compound (15), in addition to a positive-electrode active material (11), a conductive material (12), a binder (13), lithium phosphate (14), and a solvent (16).