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Electrochemical Behaviors of Polymer Composite Electrolytes Containing Functionalized Nanosize Clays

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Abstract:

Functionalized nanosize clay effect on the poly(ethylene oxide) (PEO)-based polymer composite electrolytes (PCE) were prepared and studied. In order to understand the effects of organic-functionalized montmorillonite (OMMT) on the ionic conductivity, microstructure and electrochemical property were investigated. XRD results revealed that the PCE containing MMT-20A showed interlayer spacing length, 2.55 nm, while the PCE containing Na-MMT showed the value, 1.16 nm. By changing the OMMT species, the interlayer spacings were controlled. The XRD and thermal analysis results indicated that the PCE showed the reduced crystallinity by introduction of OMMT fillers. PCE containing MMT-20A showed the triple higher conductivity, 6.1 * 10−4 S/cm, than PCE containing Na-MMT. This indicated that the improved ion conductivity was dependent on the reduced crystallinity that was correlated with the d-spacing of MMT.

Keywords: COMPOSITE ELECTROLYTES; ELECTROCHEMICAL BEHAVIOR; INTERLAYER SPACING; MONTMORILLONITE; POLY(ETHYLENE OXIDE)

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2010.1525

Publication date: 2010-01-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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