Patent ID: 8197119

Claim:
A method for manufacturing a polarizable electrode for electric double layer capacitor, in which raw materials including a carbonaceous powder, a conductive assistant, and a binder are mixed and kneaded into kneaded materials, the kneaded materials are finely divided to obtain granulated molding materials, the molding materials are formed into a sheet form, the molded sheet is rolled to manufacture a sheet-shaped polarizable electrode for electric double layer capacitor, wherein the method is used before the granulated molding materials are formed into the sheet form, the method comprising the steps of: containing the granulated molding materials and the binding assistance in a container; hermetically sealing the container to place the container in a hermetically sealed state; and mixing by rotating the hermetically sealed container while agitating by agitating blades the granulated molding materials with a binding assistant in a hermetically sealed state in the hermetically sealed container.