MCM-41 silica effect on gel polymer electrolytes based on thermoplastic polyurethane

Maria Luisa Saladino, Lavall, Ferrari, Piercarlo Mustarelli, Ferrari, Fagnoni, Quartarone, Tomasi, Marzantowicz

Risultato della ricerca: Articlepeer review

24 Citazioni (Scopus)


Polymer electrolytes were prepared from thermoplastic polyurethane with addition of mixture of Nethyl(methylether)-N-methylpyrrolidinium trifluoromethanesulfonimide (PYRA12O1TFSI) ionic liquid,lithium bis(trifluoromethanesulfoneimide) salt and propylene carbonate. MCM-41 mesoporous silicawas added in proportions ranging from 5 to 20 wt.% with respect to TPU. The electrolytes were characterizedby thermogravimetric analysis, differential scanning calorimetry, linear voltammetry and impedancespectroscopy. The MCM-41 addition to the system was found to improve the electrochemical stability ofthe membranes and to reduce the gel electrolyte/metallic Li interfacial resistance. The filler influence onthe ion transport processes was discussed according to results obtained by equivalent circuit fitting ofimpedance spectra.
Lingua originaleEnglish
pagine (da-a)359-365
Numero di pagine7
RivistaElectrochimica Acta
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.1600.1603???


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