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The activated carbons (ACs) prepared from mesophase pitch with KOH etching are used to fabricate electrodes for electric double layer capacitors. The ACs with pre-carbonization are also prepared. Nitrogen adsorption at 77K is used to characterize the surface area and porous structure of the ACs, which show a bimodal pore distribution. By adjusting the residence time at 800°C, the intersection of the...
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