PRODUCTION OF ACTIVATED CARBON FROM TOBACCO LEAVES BY SIMULTANEOUS CARBONIZATION AND SELF-ACTIVATION AND THE ACTIVATED CARBON THUS OBTAINED

摘要

The invention relates to a method for manufacturing activated carbon from tobacco leaves by simultaneouscarbonization andself-activation in an inert gas environment. The activated carbon produced by this new method has a specific surface area from 600 to 2000 m2 g-1, preferably 1700 m2 g-1, and has an extensiveamount of ultramicropores and mesopores, wherein the ratio of the micropore volume to the mesopore volume is at minimum of 3:1, up to 10:1, preferably 4:1.The average pore size (L0) is in the range of 0.55-1.3nm, preferably 0.8–1.2nm, with a total pore volume of 0.2 to 1.25cm3 g-1. The invention also refers to an electrode comprising the activated carbon having the above properties as well as the electrochemical capacitor with such an electrode.