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Hydrogen storage capacity of highly porous carbons synthesized from biomass-derived aerogels
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  • Journal title : Carbon letters
  • Volume 16, Issue 2,  2015, pp.127-131
  • Publisher : Korean Carbon Society
  • DOI : 10.5714/CL.2015.16.2.127
 Title & Authors
Hydrogen storage capacity of highly porous carbons synthesized from biomass-derived aerogels
Choi, Yong-Ki; Park, Soo-Jin;
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In this work, highly porous carbons were prepared by chemical activation of carbonized biomass-derived aerogels. These aerogels were synthesized from watermelon flesh using a hydrothermal reaction. After carbonization, chemical activation was conducted using potassium hydroxide to enhance the specific surface area and microporosity. The micro-structural properties and morphologies were measured by X-ray diffraction and scanning electron microscopy, respectively. The specific surface area and microporosity were investigated by /77 K adsorption-desorption isotherms using the Brunauer-Emmett-Teller method and Barrett-Joyner-Halenda equation, respectively. Hydrogen storage capacity was dependent on the activation temperature. The highest capacity of 2.7 wt% at 77 K and 1 bar was obtained with an activation temperature of .
adsorption;carbon aerogel;hydrogen storage;
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