Binder-less activated carbon electrode from gelam wood for use in supercapacitors

Syarif, Nirwan and Tribidasari, Ivandini A. and Wibowo, Widayanti (2013) Binder-less activated carbon electrode from gelam wood for use in supercapacitors. J. Electrochem. Sci. Eng. Online, 3 (2). ISSN ISSN 1847-9286

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    Abstract

    This work focused on the relation between the porous structure of activated carbon and its capacitive properties. Three types of activated carbon monoliths were used as the electrodes in a half cell electrochemical system. One monolith was produced from activated carbon and considered to be a binder-less electrode. Two others were produced from acid and high pressure steam oxidized activated carbon. The micrographs clearly indicate that three electrodes have different porous structures. Both porosity and surface area of carbons increased due to the formation of grains during oxidation. This fact specified that an acid oxidized carbon monolith will have relatively higher capacitance compared to non-oxidized and steam oxidized monoliths. Maximum capacitance values for acid, steam oxidized and non-oxidized electrodes were 27.68, 2.23 and 1.20 F g -1 , respectively.

    Item Type: Article
    Subjects: Q Science > QC Physics
    Q Science > QD Chemistry
    T Technology > TP Chemical technology
    Divisions: Faculty of Mathematics and Natural Sciences > Department of Chemistry
    Depositing User: Dr Nirwan Syarif
    Date Deposited: 28 Dec 2017 14:50
    Last Modified: 28 Dec 2017 14:50
    URI: http://eprints.unsri.ac.id/id/eprint/7572

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