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Four kinds of activated carbons (denoted as ACs) with specific surface area of ca. 1050m 2 g −1 were fabricated from fir wood and pistachio shell by means of steam activation or chemical activation with KOH. Pore structures of ACs were characterized by a t-plot method based on N 2 adsorption isotherms. The amount of mesopores within KOH-activated carbons ranged from 9.2 to...
Activated carbons prepared from firwoods by means of a steam activation method at 900°C for 1–7h are demonstrated as promising materials for supercapacitors. The carbons exhibit high-power, low equivalent series resistance and highly reversible characteristics between −0.1 and 0.9V in aqueous electrolytes. The pore structure of the carbons is systematically characterized by the t-plot method based...
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