Electrolyte for electrical double layer capacitor and electrical double layer capacitor using the electrolyte

摘要

An electrolyte for an electrical double layer capacitor and an electrical double layer capacitor using the electrolyte are disclosed. The electrolyte has a low coefficient of viscosity, high conductivity, and high withstand voltage, and excels in long term reliability. The electrolyte for an electrical double-layer capacitor comprises a dimethyl carbonate and a compound of the following formula (1), wherein, m and n individually represent a natural number of 3-7, and X is a counter anion.