Influence of Clay Addition on Ion Conductivity of Polymeric Electrolyte Composites

Seok Kim; J.Y. Kang; Sung Goo Lee; Jae Rock Lee; Soo Jin Park

doi:10.4028/www.scientific.net/SSP.111.155

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Low Temperature Bond Valence Sum Study of La_1.7 Dy_0.3 Ca_0.6 Ba₂ Cu_4.6 Oz Oxide Superconductors
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HomeSolid State PhenomenaSolid State Phenomena Vol. 111Influence of Clay Addition on Ion Conductivity of...

Influence of Clay Addition on Ion Conductivity of Polymeric Electrolyte Composites

Abstract:

In this work, the polymeric electrolyte composites (PECs) based on poly(ethylene oxide) (PEO), ethylene carbonate (EC) as a plasticizer, and lithium montmorillonite (Li-MMT) clay were fabricated, and investigated for understanding the effects of Li-MMT/EC in the polymer matrix on the ionic conductivity. For a lithium battery application, the native sodium cations in MMT were exchanged for lithium cations. As a result, the lithium ion was intercalated into the layer of the MMT clay, and thus PEO entered the galleries of MMT clay. The ionic conductivity was enhanced with increasing MMT contents due to the immobile MMT clay serving as the anion species and the decreased crystallinity of PEO.

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Periodical:

Solid State Phenomena (Volume 111)

Pages:

155-158

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.111.155

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Online since:

April 2006

Authors:

Seok Kim, J.Y. Kang, Sung Goo Lee, Jae Rock Lee, Soo Jin Park

Keywords:

Crystal Structure, Ionic Conductivity, Lithium Montmorillonite, Poly(ethylene oxide) (PEO), Polymeric Electrolyte Composites

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