Electric double layer capacitor

摘要

An electric double layer capacitor utilizing an electric double layer formed at the interface between activated carbon electrodes and electrolyte included in polarizable electrodes, wherein the activated carbon electrodes are made from activated carbon which is produced by subjecting a synthetic resin, such as polyacrylonitrile or cellulose, to flame resisting treatment and activating treatment and which contains a Ti compound whose amount is not more than 0.2 wt % in terms of Ti.