Pyrolysed cellulose nanofibrils and dandelion pappus in supercapacitor application

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    Abstract

    Dandelion pappus and wood based nanocellulose fibrils were combined to form films that were subsequently pyrolyzed under low-pressure conditions in a carbon monoxide (CO) rich atmosphere to make supercapacitor electrode material. The electrodes were prepared from these materials and pyrolysed under low-pressure conditions in a carbon monoxide-rich atmosphere. The electrode materials and assembled supercapacitors were electrically and structurally characterized. The assembled six supercapacitors showed specific capacitances per electrode ranging from 1 to 6 F/g and surface resistance of pyrolyzed electrodes ranging from 30 to 170 Ω/□. Finally, equivalent series resistance and leakage current measurements were conducted for three samples, resulting values from 125 to 500 Ω and from 0.5 to 5.5 µA, respectively.
    Original languageEnglish
    Pages (from-to)3387–3397
    Number of pages11
    JournalCellulose
    Volume24
    Issue number8
    Early online date24 May 2017
    DOIs
    Publication statusPublished - 2017
    Publication typeA1 Journal article-refereed

    Keywords

    • Supercapacitor
    • Nanocellulose
    • Dandelion
    • Pyrolysis

    Publication forum classification

    • Publication forum level 2

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