| 摘要 |
A non-aqueous electrolyte secondary battery is provided with a positive electrode including a positive electrode active material, a negative electrode, and a non-aqueous electrolyte containing a non-aqueous solvent, the positive electrode active material including a lithium-containing transition metal oxide having a crystal structure belonging to a space group P63mc, and the non-aqueous solvent containing, with respect to the total volume, 7-70%, inclusive, by volume of fluorinated cyclic carbonate esters and 30-93%, inclusive, by volume of at least one of methylethyl carbonate and diethyl carbonate as chain carbonate esters. |
