Electrochemical energy storage in ordered porous carbon materials
作者： Cathie Vix-Guterl , Elzbieta Frackowiak , Krzysztof Jurewicz , Marcin Friebe , Julien Parmentier
DOI: 10.1016/J.CARBON.2004.12.028
关键词: Supercapacitor 、 Chemical engineering 、 Mesoporous material 、 Hydrogen storage 、 Carbon 、 Cryo-adsorption 、 Hydrogen 、 Molecular sieve 、 Adsorption 、 Materials science
摘要: Abstract Highly ordered porous carbon materials obtained by a replica technique have been used for supercapacitor application and electrochemical hydrogen storage. For the preparation of well-tailored carbons, MCM-48, SBA-15 MSU-1 molecular sieves served as templates, whereas sucrose solution, propylene pitch were source. A careful physico-chemical characterization (CO2 N2 adsorption, X-ray diffraction, electron microscopy observations) allowed to estimate total surface area, pore size distribution, micro/mesopore volume well structure microtexture investigated carbons. The specific capacitance (F/g) adsorption capacity in nanopores correlated with microtextural properties. Especially, linear dependence has found between or amount electrochemically stored ultramicropores (pores smaller than 0.7 nm) volume. It clearly indicates that these carbons: (a) major part electrical double layer is charged non-solvated ions; (b) play determinant role
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