ELECTROLYTE AND ELECTROCHEMICAL DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an electrolyte which enables the materialization of an electrochemical device superior in the long-term reliability under the condition of a high voltage, and the low-temperature characteristic.SOLUTION: An electrolyte comprises a solvent (I) for dissolving an electrolytic salt, and an electrolytic salt (II). The solvent (I) for dissolving an electrolytic salt includes 10-40 vol.% of a sulfolane compound.