| abstract |
An electrochemical capacitor having high output characteristics is provided. A positive electrode composed of a polarizable electrode mainly comprising A activated carbon, the intensity ratio of the peak intensity peak intensity (I 1360) and 1580 cm -1 of the Raman spectrum of 1360cm -1 (I 1580) R ( = I 1360 / I 1580 ) is 0.70 to 1.2, ASTMD-409-71 specified pulverization strength index HGI is 35 or more negative electrode mainly needle coke, organic electrolyte containing lithium salt as solute, An electrochemical capacitor is fabricated using [Selection figure] None |