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Composite material of glassy carbon - activated carbon, a method for the production of said composite material, and the said composite material be used according to - the polarizable electrode for use in the electrical double layer capacitor
Composite material of glassy carbon - activated carbon, a method for the production of said composite material, and the said composite material be used according to - the polarizable electrode for use in the electrical double layer capacitor
PURPOSE: To provide a polarizable electrode which has small decrease in an internal resistance, is small in amount of coming-off powder, has a large electric capacity per unit volume and is manufactured easily and rapidly at low cost, and to provide glassy carbon-active carbon composite material which is suitable for manufacturing the electrode. ;CONSTITUTION: Glassy carbon-active carbon composite material is made by baking a mixture of polycarbodiimide resin and active carbon in an unoxidizing atmosphere and compounding glass carbon derived from the polycarbodiimide resin and the active carbon. A method for manufacturing the material is as follows. A mixture of polycarbodiimide resin and active carbon is molded into an appropriate shape if necessary and the molded body is baked in an unoxidizing atmosphere. A polarizable electrode for an electric double layer capacitor is formed of the glassy carbon-active carbon composite material.;COPYRIGHT: (C)1994,JPO
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