Effect of adding Pd nanoparticles to dimercaptan-polyaniline cathodes for lithium polymer battery

The electrochemical properties of 2,5-dimercapto-1,3,4-thiadiazole (DMcT)—polyaniline (PAn) composite films containing Pd nanoparticles (average diameter: 28 nm) were investigated. Compared to DMcT–PAn composite film, the DMcT–PAn composite film containing Pd nanoparticles showed enhanced redox curr...

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Bibliographic Details
Published in:Synthetic metals 2004-02, Vol.140 (2), p.121-126
Main Authors: Park, Jong-Eun, Park, Soo-Gil, Koukitu, Akinori, Hatozaki, Osamu, Oyama, Noboru
Format: Article
Language:English
Subjects:
Applied sciences
Composite cathode
Composites
Disulfides
Exact sciences and technology
Forms of application and semi-finished materials
Lithium polymer battery
Pd nanoparticle
Polyaniline
Polymer industry, paints, wood
Technology of polymers
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Summary:The electrochemical properties of 2,5-dimercapto-1,3,4-thiadiazole (DMcT)—polyaniline (PAn) composite films containing Pd nanoparticles (average diameter: 28 nm) were investigated. Compared to DMcT–PAn composite film, the DMcT–PAn composite film containing Pd nanoparticles showed enhanced redox current and discharge capacity. The enhanced activity is attributed to the nanosize dispersion of the Pd catalyst particles within the DMcT–PAn matrix. UV-Vis spectroscopy and X-ray photoelectron spectroscopy (XPS) results confirmed the interactions between DMcT and Pd nanoparticles. We have obtained the positive effect of Pd nanoparticles addition on the redox activity of the DMcT–PAn composite.
ISSN:0379-6779
1879-3290
DOI:10.1016/j.synthmet.2003.04.001