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Uptake of hydrogen from some carbon fibres examined by Secondary Ion Mass Spectrometry |
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| Authors: | A. Madroñ ero,J. AguadoJ.M. Blanco,A. Ló pez |
| Affiliation: | a CENIM (CSIC), Avda Gregorio del Amo 8, 28040 Madrid, Spain b Department of Inorganic Chemistry, Universidad Nacional de Educación a Distancia, Madrid, Spain c Department of Electronic Technology, Telecommunications Engineering Faculty, Polytechnic University of Madrid, Ciudad Universitaria, 28040 Madrid, Spain d CIEMAT, 04200 Tabernas, Almeria, Spain |
| Abstract: | The use of carbonaceous materials for hydrogen storage is not as simple as it may seem. Hydrogen atoms have different bonding energies and are incorporated into different types of these materials. Therefore, it is particularly important to distinguish between the surfacial atoms and those that are embedded in the bulk of the sample.SIMS spectrograph with periodical interruptions of the ion beam enables us to appreciate that at room temperature and in high vacuum, some outgassing of the surfacial hydrogen takes place. |
| Keywords: | Hydrogen adsorption Hydrogen storage SIMS hydrogen determination Carbon microfibres outgassing Hydrogen ejection by vacuum |
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