Printable and disposable supercapacitor from nanocellulose and carbon nanotubes

Julkaisun otsikon käännös: Printable and disposable supercapacitor from nanocellulose and carbon nanotubes

S. Tuukkanen, S. Lehtimäki, F. Jahangir, A.-P. Eskelinen, D. Lupo, S. Franssila

    Tutkimustuotos: KonferenssiartikkeliTieteellinenvertaisarvioitu

    18 Sitaatiot (Scopus)
    293 Lataukset (Pure)

    Abstrakti

    Supercapacitors are promising energy storage devices providing capacitance much higher than conventional capacitors and higher power density and longer cycle life than Li-batteries. We report printable and disposable supercapacitors fabricated from solution-processed carbon nanotube (CNT) composite material as active electrodes and nanocellulose (NC) as a separator. Use of a highly porous and electrically conducting CNT film as electrode materials eliminates the need of current collector. NC is a robust separator material used instead
    of conventional polymer separator films. Supercapacitor characterization was done with a galvanostatic discharge method according to an industrial standard. The capacitance of 1.8 cm2 devices was 14.9–16.5 mF (7.4–9.1 mF/cm2 or 2.4–2.9 F/g) and equivalent series resistance (ESR) 74–155 Ohms. This type of low-cost energy storage devices fabricated from safe and environmentally friendly materials have obvious applications in autonomous intelligence and disposable low-end products.
    Julkaisun otsikon käännösPrintable and disposable supercapacitor from nanocellulose and carbon nanotubes
    AlkuperäiskieliEnglanti
    OtsikkoESTC 2014, 5th Electronics System-Integration Technology Conference, September 16 – 18, 2014, Helsinki, Finland
    KustantajaIEEE
    Sivut1-6
    Sivumäärä6
    ISBN (painettu)978-147994026-4
    DOI - pysyväislinkit
    TilaJulkaistu - 2014
    OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
    TapahtumaElectronics System-Integration Technology Conference -
    Kesto: 1 tammik. 2014 → …

    Conference

    ConferenceElectronics System-Integration Technology Conference
    Ajanjakso1/01/14 → …

    Julkaisufoorumi-taso

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