Hydrogen storage properties of nanostructured graphite-based materials

Yinghe Zhang, Miss David Book, Daniel Reed, Vicky Mann

    Research output: Contribution to journalArticle

    Abstract

    Mechanical milling is an effective way of making defective structures and of the mixing with additions. In this work, the effect of milling conditions and additions on the microstructure and hydrogen storage properties of graphite milled in a tungsten carbide pot was investigated using TGA, Mass Spectrometries, XRD, SEM, HRTEM, Sieverts-PCT and Raman spectroscopy. The TGA and MS results showed that, for a graphite sample milled in hydrogen for 10 hours, the amount of hydrogen desorbed was about 5.6 wt%, and the onset desorption temperature was about 400°C. No methane release could be detected up to 12 hours milling time. HRTEM showed that the interlayer distance increased from 0.34 nm to 0.53nm after milling for 10 hours, and then decreased to 0.48 nm after further milling (40 hours). This paper will discuss how the milling conditions effect both the structure of the graphite samples and their hydrogen storage properties.

    Original languageEnglish
    JournalUnknown Journal
    Publication statusPublished - 2010

    Fingerprint

    Graphite
    Hydrogen storage
    graphite
    Hydrogen
    hydrogen
    Tungsten carbide
    Methane
    Mass spectrometry
    Raman spectroscopy
    Desorption
    Microstructure
    Scanning electron microscopy
    tungsten carbides
    interlayers
    mass spectroscopy
    methane
    desorption
    Temperature
    microstructure
    scanning electron microscopy

    ASJC Scopus subject areas

    • Chemistry(all)
    • Chemical Engineering(all)

    Cite this

    Zhang, Y., Book, M. D., Reed, D., & Mann, V. (2010). Hydrogen storage properties of nanostructured graphite-based materials. Unknown Journal.

    Hydrogen storage properties of nanostructured graphite-based materials. / Zhang, Yinghe; Book, Miss David; Reed, Daniel; Mann, Vicky.

    In: Unknown Journal, 2010.

    Research output: Contribution to journalArticle

    Zhang, Yinghe ; Book, Miss David ; Reed, Daniel ; Mann, Vicky. / Hydrogen storage properties of nanostructured graphite-based materials. In: Unknown Journal. 2010.
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