電気二重層キャパシタに用いる活性炭電極に関する研究

Abstract

It is well known that the performance of Electric Double Layer Capacitor(EDLC) strongly depend on the activated carbon which constructs its electrodes. In this paper, we’ll investigate the relations between specific surface area and pore diameter of the activated carbon and how to affect the performance on EDLC when these activated carbons were used for its electrodes. The activated carbons used for electrodes here are made under various conditions such as times, temperature for carbonization and temperature, water vapor for activation. Results we got are summarized as follows ① specific surface area of activated carbon are strongly effected by temperature and time for activation. ② The relation between specific surface area and pore diameter of the activated carbon couldn’t be clarified and analyzed yet.③ the specific surface area does not orrelate with the capacity of EDLC just like the normal capacitor, C=ε S/d.