Manufacturing method of electrode active material for ultracapacitor manufacturing method of ultracapacitor electrode and manufacturing method of ultracapacitor

摘要

The present invention, one or more selected from the group consisting of dicyanomethyl piperidinium trifluoroborate (dicyanomethyl pyrrolidinium tetrafluoroborate) and dicyanomethyl piperidinium trifluoro methane sulfonyl imide Carbonizing the ionic liquid in an inert gas atmosphere, mixing the carbonized product with alkali to activate it, and neutralizing and washing the activated product with acid to obtain an electrode active material for ultracapacitor It relates to a method for manufacturing an electrode active material for an ultracapacitor comprising a step, a method for manufacturing an ultracapacitor electrode using the same, and a method for manufacturing an ultracapacitor. According to the present invention, it is possible to manufacture an electrode active material for an ultracapacitor having a high specific capacity and decomposition voltage at high temperatures compared to commercially available activated carbon.