ELECTROLYTE SOLUTION FOR ELECTRICITY STORAGE DEVICES SUCH AS BATTERIES AND CAPACITORS CONTAINING SALT, WHEREIN ALKALI METAL, ALKALINE EARTH METAL OR ALUMINUM SERVES AS CATIONS, AND ORGANIC SOLVENT HAVING HETERO ELEMENT, METHOD FOR PRODUCING SAME, AND CAPACITOR PROVIDED WITH SAID ELECTROLYTE SOLUTION

摘要

Provided is an electrolytic solution in which a metal salt and a solvent exist in a new state. The electrolytic solution of the present invention is an electrolytic solution containing a salt whose cation is an alkali metal, an alkaline earth metal, or aluminum, and an organic solvent having a heteroelement. Regarding an intensity of a peak derived from the organic solvent in a vibrational spectroscopy spectrum of the electrolytic solution, Is>Io is satisfied when an intensity of an original peak of the organic solvent is represented as Io and an intensity of a peak resulting from shifting of the original peak is represented as Is.