| 摘要 |
<p>A non-aqueous electrolyte comprising a non-aqueous solvent and an electrolyte dissolved in the non-aqueous solvent, wherein the non-aqueous solvent comprises ethylene carbonate (EC), propylene carbonate (PC), Ϝ-butyrolactone (GBL), vinylene carbonate (VC) and a fifth component which is a solvent other than the above-mentioned EC PC GBL and VC, for example, vinyl ethylene carbonate or phenyl ethylene carbonate, and satisfies the following formulae (1) to (5): (I) wherein x, y, z, w and q represent respective proportions (volume %) of EC, PC, GBL, VC and the fifth component relative to the total volume of the non-aqueous solvent: and a non-aqueous electrolyte secondary cell comprising the non-aqueous electrolyte.</p> |
