Abstract:Nano-crystalline hydrous RuO 2 particles that are hyper-dispersed within Ketjen Black (KB) matrix have been added as an alternative-conducting agent. In the present study, the authors succeeded in enhancing the EDLC's withstanding voltage from 2.7 to 3.3 V by addition of small amount of MO x /KB (MO x = RuO 2 ) composite. Addition of 4 wt% RuO 2 /KB only in the positive activated carbon electrode dramatically increased the voltage limitation up to 3.3 V. To date 3.3-V-rated EDLC (activated carbon based electro… Show more
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