Direct Observation of Raw Coals in Lattice Fringe Mode Using High-Resolution Transmission Electron Microscopy

Atul Sharma, Takashi Kyotani, Akira Tomita

    Research output: Contribution to journalArticlepeer-review

    96 Citations (Scopus)

    Abstract

    High-resolution transmission electron microscopy (HRTEM) technique has been used to characterize several coals. By careful examination, direct evidence of layered structure in a wide range of coals was for the first time obtained from HRTEM lattice fringes. In general, most of the layers in all coals occur singly or in stacks of 4-5 layers. Quantitative analysis of coal images showed that average number of layers per stack and layer size remain almost the same for lignite and high volatile bituminous and medium volatile bituminous coals, and they are larger for low volatile bituminous coal and anthracite.

    Original languageEnglish
    Pages (from-to)1219-1225
    Number of pages7
    JournalEnergy and Fuels
    Volume14
    Issue number6
    DOIs
    Publication statusPublished - 2000 Jan 1

    ASJC Scopus subject areas

    • Chemical Engineering(all)
    • Fuel Technology
    • Energy Engineering and Power Technology

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