SiO2/Ionic Liquid Hybrid Nanoparticles for Solid-State Lithium Ion Conduction
Source abstract
Abstract
We report the physical and electrical characterization of a series of substituted imidazolium-based ionic liquids grafted on Stöber-type SiO 2 . This hybrid architecture affords an increase of the lithium transference to 0.56 by hindering TFSI – (bis(trifluoromethane)sulfonimide) mobility to the total ionic conductivity. When doped with 16 wt % wt LiTFSI, the resulting hybrid organic/inorganic solid material exhibits a lithium diffusion coefficient of 2 × 10 –12 m 2 /s at 87 °C and a conductivity of ca. 10 –6 S/cm at room temperature and 10 –4 S/cm at 65 °C with an activation energy barrier of 0.89 eV.
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Research context
OpenAlex topics: Advanced Battery Materials and Technologies · Ionic liquids properties and applications · Advancements in Battery Materials
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Affiliations
Réseau sur le Stockage Electrochimique de l’Energie (RS2E), FR CNRS 3459, 33 rue Saint Leu, Amiens 80039 Cedex, France
CEMHTI-CNRS UPR3079, 1D Avenue de la Recherche Scientifique, Orléans 45071 Cedex 2, France
Funding
Conseil régional de Picardie
References (46)
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