How to accurately determine the uptake of hydrogen in carbonaceous materials |
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| Affiliation: | 1. Department of Biology, Institute of Nuclear Power Engineering NRNU MEPhI, Studgorodok,1, Obninsk, Kaluga Region 249040, Russian Federation;2. National Research Nuclear University “MEPhI”, Kashirskoe Highway, 31, Moscow 115409, Russian Federation;3. Department of Genetics, University of Leicester, University Road, Leicester LE1 7RH, United Kingdom;4. Vavilov Institute of General Genetics, Russian Academy of Sciences, Gubkina Str. 3, 11933 Moscow, Russian Federation;1. Hokkaido Central Fisheries Research Institute, Hokkaido Research Organization, Hamanaka-cho 238, Yoichi, 046-8555 Hokkaido, Japan;2. National Research Institute of Fisheries and Environment of Inland Sea, Fisheries Research Agency, 2-17-5 Maruishi, Hatsukaichi, 739-0452 Hiroshima, Japan;3. Graduate School of Marine Science, Hokkaido University, Minato-cho 3-1-1, Hakodate, 041-8611 Hokkaido, Japan;1. Protein Analytical Chemistry, Genentech Inc. 1 DNA Way, South San Francisco, CA, 94080, USA;2. Advanced Material Technology, 3521 Silverside Road, Suite 1-K, Quillen Building, Wilmington, DE, 19810, USA |
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| Abstract: | A volumetric apparatus for adsorption measurement of hydrogen in carbonaceous materials aimed at hydrogen adsorption storage was constructed. The performance of the apparatus was assessed by helium and hydrogen adsorption in one kind of vapor-grown graphitic nanofiber (GNF). The bulk gas amounts determined by the equations of state of the Modified-Benedic-Webb-Rubin (MBWR), the ideal gas and the Soave-Redlich-Kwong (SRK) under the conditions of present study are compared. Two different methods of processing experimental data to determine the residual volume are studied. Experimental results and theoretic analysis showed that the volumetric apparatus and the data processing method described in this paper could accurately determine the Gibbs excess adsorption amount of hydrogen in carbonaceous materials. Although the vapor-grown GNF used in the present study did not show a significant storage capacity of hydrogen, the obtained results would provide favorable reference data for the development of the carbonaceous material for hydrogen adsorption storage. |
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