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A comparison of hydrogen storage in activated carbons and a metal–organic framework (MOF-5)

✍ Scribed by J. Juan-Juan; J.P. Marco-Lozar; F. Suárez-García; D. Cazorla-Amorós; A. Linares-Solano

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
197 KB
Volume
48
Category
Article
ISSN
0008-6223

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✦ Synopsis

A hydrogen storage study, on gravimetric and volumetric bases, has been carried out on three adsorbents having similar adsorption capacities: two activated carbons and a metal organic framework (MOF-5). These three samples have similar hydrogen storage on a gravimetric basis. However, expressed on a volumetric basis, both AC have higher hydrogen storage than MOF-5. Wrong conclusions could be avoided, when comparing these two types of adsorbents, if their hydrogen storage data were reported on a volumetric basis, using reliable measurable densities. Tap or packing densities are the most suitable. Crystal density, mostly used for reporting hydrogen storage on MOF, gives unrealistically high volumetric storage values.

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Effect of platinum doping of activated carbon on hydrogen storage behaviors of metal-organic frameworks-5
✍ Seul-Yi Lee; Soo-Jin Park 📂 Article 📅 2011 🏛 Elsevier Science 🌐 English ⚖ 595 KB

In this work, we prepared platinum doped on activated carbons/metal-organic frameworks-5 hybrid composites (Pt-ACs-MOF-5) to obtain a high hydrogen storage capacity. The surface functional groups and surface charges were confirmed by Fourier transfer infrared spectroscopy (FT-IR) and zeta-potential