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|Type:||Artigo de periódico|
|Title:||Solid state polymeric electrolytes based on poly(epichlorohydrin)|
|Abstract:||Elastomers constituted of the homopolymer of epichlorohydrin, its copolymer with ethylene oxide and its terpolymer with ethylene oxide and allyl-glycidyl-ether were studied as polymeric electrolytes in polymer/LiClO4 systems. The variation of the ionic conductivity with salt concentration indicated that the copolymer and the terpolymer show the highest conductivities, ca. 10(-5) S cm(-1) at 30 degrees C. Also, the fitting of the ionic conductivity versus inverse of temperature curves with the VTF equation indicated a conductivity mechanism similar to poly(ethylene oxide) for the copolymer and the terpolymer. The potential stability window determined by cyclic voltammetry is 3.5 V and the polymers are stable to heating up to 250 degrees C. These results confirm the feasibility of using the copolymer and the terpolymer systems with LiClO4 as polymeric solid state electrolytes.|
|Subject:||solid state electrolytes|
|Editor:||Elsevier Science Bv|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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