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Preparation and Characterization of Highly Porous Carbons for Hydrogen Storage

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Abstract:

In this work, Porous Carbons (PCs) were prepared by using a chemical acid treatment, and the hydrogen storage behaviors of PCs doped by Pt nanoparticles were investigated. The hydrogen storage capacities of the Pt-doped carbons with a platinum content of 0.2–1.5 wt% were evaluated by a volumetric adsorption method at 298 K and 10 MPa. The microstructures of samples were examined by XRD and SEM. It was found that the hydrogen storage capacities of the PCs dramatically increased, but the amount of hydrogen stored from the samples began to decrease after 0.6 wt% of Pt content due to the pore blocking. These results indicate that a suitable amount of supported catalysts and layer intervals of carbons had a very important impact on hydrogen storage behaviors.

Keywords: ABSORPTION; CARBON MATERIALS; HYDROGEN STORAGE

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2011.3242

Publication date: 2011-01-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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