| abstract |
The present invention relates to [1] a non-aqueous electrolyte in which electrolyte salt is dissolved in a non-aqueous solvent, the non-aqueous electrolyte containing between 0.001 and 5 mass% of a specific acyclic lithium salt and being capable of improving electrochemical properties over a wide temperature range, and [2] a power storage device provided with a positive electrode, a negative electrode, and the non-aqueous electrolyte in which electrolyte salt is dissolved in the non-aqueous solvent, the power storage device containing between 0.001 and 5 mass% of a specific acyclic lithium salt in the non-aqueous electrolyte. |