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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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    Preparation and characterization of prospective disulfide based electrode materials ofr lithium batteries

    Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    2008, v.21 no.1, pp.25-33
    Dhanusuraman Ragupathy
    Anantha Iyengar

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    Abstract

    Organic disulfide compounds are having higher theoretical capacity than the conventional cathodematerial and are considered as the important storage material. Here, we are reporting the preparation of poly(2,2'-dithiodianiline) PDDA/multiwall carbon nanotubes, (MWCNTs) composites under different experimentalof composites. Composites were prepared in the presence of cetyl trimethyl bromide (CTAB), a cationicsurfactant, and also in the absence of CTAB. A physical mixture of PDTDA and MWCNTs was formed withunfunctionalized MWCNTs. Grafting of PDDA onto MWCNTs was performed by chemical oxidative polymerizationof 2, 2-dithiodianiline in the presence of amine functionalized MWCNTs. The composites of MWCNTs andPDTDA were characterized for structure, morphology anspectroscopy, Fourier transform Raman spectroscopy, scanning electron microscopy and UV-visible spectroscopy.The composite materials prepared by this method are expected to find applications as electrode materials forlithium batteries.

    keywords
    2, 2'-dithiodianiline, chemical oxidative polymerization, cathode materials


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