| 简介 |
To provide a nonaqueous electrolyte secondary battery excellent in high-temperature charge storage characteristics and high-temperature over-discharge storage characteristics. A nonaqueous electrolyte secondary battery of the present invention has a positive electrode including a positive electrode active material which contains a lithium transition metal oxide having a surface to which a rare earth compound is adhered, a negative electrode including a negative electrode active material which contains a graphite and a silicon oxide represented by SiOx (0.8≰X≰1.2), and a nonaqueous electrolyte which includes a solvent and a solute and to which a cyclic ether compound is added. |
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