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Two useful materials (activated carbon and liquid compound fertilizer) were obtained from rice husk by a simple route which combined the processes of H3PO4 activation and KOH etching. The resulting activated carbon exhibited excellent performances, including low ash content, large surface area, high adsorption and electrochemical performances. The advantage of this route is that the waste water produced...
A comparative study of various hydrochar-based porous carbons was carried out. These porous carbons, synthesized from biomass by H 3 PO 4 , NaOH and KOH activation, were examined for use in supercapacitors. The micropores and mesopores had been introduced into the hydrochar simultaneously. Porous carbons exhibited different electrochemical performance due to the difference of their...
Nanostructured β-Ni(OH) 2 was synthesized on nickel foam substrate via a mild hydrothermal process in an aqueous solution containing only Ni(NO 3 ) 2 and NaOH. The reaction conditions including reaction time and reaction temperature played crucial roles in the construction of different morphological Ni(OH) 2 nanostructures. Cyclic voltammetry and constant current charge–discharge...
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