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POE-based nanocomposite polymer electrolytes reinforced with cellulose whiskers

By A.S. Samir Azizi, Laurent Chazeau, Fannie Alloin, Jean-Yves Cavaille, A. Dufresne and J.Y. Sanchez

Abstract

International audienceNanocomposite polymer electrolytes based on high-molecular weight poly(oxyethylene) (POE) were prepared from high aspect ratio cellulosic whiskers and lithium trifluoromethyl sulfonyl imide (LiTFSI). Prior to the polymer electrolyte characterization, the polymer/whiskers nanocomposites were characterized using wide-angle X-ray scattering (WAXS), differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA). Interactions between cellulose and POE were evidenced. The main effect of the filler was a thermal stabilization of the storage modulus for the composites above the melting point of the complexes POE/LiTFSI. The ionic conductivity was quite consistent with the specifications of lithium batteries

Topics: [SPI.MAT]Engineering Sciences [physics]/Materials
Publisher: 'Elsevier BV'
Year: 2005
OAI identifier: oai:HAL:hal-00436786v1
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