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High performance nanocomposite polymer electrolytes

By My Azizi Samir, Fannie Alloin and Alain Dufresne

Abstract

International audienceSolid lithium-conducting nanocomposite polymer electrolytes based on poly(oxyethylene) (POE) were prepared using high aspect ratio cellulosic whiskers and lithium imide salt, LiTFSI. The cellulosic whiskers were extracted from tunicate a sea animal &#151 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, despite the favorable cellulose/POE interactions that were expected to decrease the possibility of inter-whisker connection and formation of a percolating cellulosic network, 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

Topics: Polymer Electrolytes, POE, Nanocomposites, Cellulose Whiskers, Lithium Batteries, [CHIM.MATE]Chemical Sciences/Material chemistry
Publisher: 'Brill'
Year: 2006
DOI identifier: 10.1163/156855406777408656
OAI identifier: oai:HAL:hal-00333304v1
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