Synthesis and physical–chemical properties of N-containing nanoporous carbons
2014
Shcherban, Nataliya D. | Filonenko, Svitlana M. | Yaremov, Pavel S. | Dyadyun, Vyacheslav S.
Meso- and microporous nitrogen-containing carbons, characterized by homogeneous meso- (V = 1.00 cm³/g, D = 3.5 nm) and microporous (V up to 0.26 cm³/g, D ≈ 0.5 nm) structure, and the presence of basic groups (up to 1.7 mmol/g) were obtained by matrix and bulk carbonization of sucrose in the presence of melamine or urea. It is shown that obtained N-containing microporous carbons possess good interfacial capacitance (0.21 F/m²) and they are characterized with stability during repeated charge–discharge cycles. Synthesized N-containing nanoporous carbons show higher adsorption of carbon dioxide (up to 6.3 mmol/g at −20 °C) than the samples without nitrogen (up to 3.9 mmol/g at −20 °C).
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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