Polímeros: Ciência e Tecnologia
https://www.revistapolimeros.org.br/article/doi/10.1590/S0104-14282005000200009
Polímeros: Ciência e Tecnologia
Scientific & Technical Article

Nanocomposite Polymer Electrolytes based on Poly(oxyethylene) and Cellulose Whiskers

Dufresne, Alain; Sanchez, Jean-Yves; Alloin, Fannie; Samir, My Ahmed Saïd Azizi

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Abstract

Solid lithium-conducting nanocomposite polymer electrolytes based on poly(oxyethylene) (POE) were prepared from high aspect ratio cellulosic whiskers and lithium imide salt, LiTFSI. The cellulosic whiskers were extracted from tunicate -a sea animal- and consisted of slender parallelepiped rods that have an average length around 1 μm and a width close to 15 nm. High performance nanocomposite electrolytes were obtained. The filler provided a high reinforcing effect while a high level of ionic conductivity was retained with respect to unfilled polymer electrolytes. Cross-linking and plasticizing of the matrix as well as preparation of the composites from an organic medium were also investigated.

Keywords

Nanocomposite, polymer electrolyte, cellulose, poly(oxyethylene)

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