Biomass-derived carbonaceous positive electrodes for sustainable lithium-ion storage

Tianyuan Liu, Reza Kavian, Zhongming Chen, Samuel S. Cruz, Suguru Noda, Seung Woo Lee

    Research output: Contribution to journalArticle

    23 Citations (Scopus)

    Abstract

    Biomass derived carbon materials have been widely used as electrode materials; however, in most cases, only electrical double layer capacitance (EDLC) is utilized and therefore, only low energy density can be achieved. Herein, we report on redox-active carbon spheres that can be simply synthesized from earth-abundant glucose via a hydrothermal process. These carbon spheres exhibit a specific capacity of ∼210 mA h gCS -1, with high redox potentials in the voltage range of 2.2-3.7 V vs. Li, when used as positive electrode in lithium cells. Free-standing, flexible composite films consisting of the carbon spheres and few-walled carbon nanotubes deliver high specific capacities up to ∼155 mA h gelectrode -1 with no obvious capacity fading up to 10000 cycles, proposing to be promising positive electrodes for lithium-ion batteries or capacitors. Furthermore, considering that the carbon spheres were obtained in an aqueous glucose solution and no toxic or hazardous reagents were used, this process opens up a green and sustainable method for designing high performance, environmentally-friendly energy storage devices.

    Original languageEnglish
    Pages (from-to)3671-3677
    Number of pages7
    JournalNanoscale
    Volume8
    Issue number6
    DOIs
    Publication statusPublished - 2016 Feb 14

    Fingerprint

    Lithium
    Biomass
    Carbon
    Ions
    Electrodes
    Glucose
    Carbon Nanotubes
    Poisons
    Composite films
    Energy storage
    Carbon nanotubes
    Capacitors
    Capacitance
    Earth (planet)
    Electric potential
    Oxidation-Reduction

    ASJC Scopus subject areas

    • Materials Science(all)

    Cite this

    Biomass-derived carbonaceous positive electrodes for sustainable lithium-ion storage. / Liu, Tianyuan; Kavian, Reza; Chen, Zhongming; Cruz, Samuel S.; Noda, Suguru; Lee, Seung Woo.

    In: Nanoscale, Vol. 8, No. 6, 14.02.2016, p. 3671-3677.

    Research output: Contribution to journalArticle

    Liu, Tianyuan ; Kavian, Reza ; Chen, Zhongming ; Cruz, Samuel S. ; Noda, Suguru ; Lee, Seung Woo. / Biomass-derived carbonaceous positive electrodes for sustainable lithium-ion storage. In: Nanoscale. 2016 ; Vol. 8, No. 6. pp. 3671-3677.
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