Enhanced Conductivity via Extraction of Hydrocarbon Templates from Nanophase-Separated PEO–LiOTf Polymer Electrolyte Films

A series of poly­(ethylene oxide)–LiOTf electrolyte films were prepared using a variety of hydrocarbon templates as nanofillers, resulting in observable nanophase separation in the polymer electrolyte. Upon partial extraction of the nanofiller template, an enhanced conductivity over 2 orders of magn...

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Bibliographic Details
Published in:ACS omega 2020-08, Vol.5 (32), p.20567-20574
Main Authors: Ostrander, John W, Wang, Lei, Ali Kizi, Teljan, Dajani, Jana A, Carr, Austin V, Teeters, Dale, Lamar, Angus A
Format: Article
Language:English
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Summary:A series of poly­(ethylene oxide)–LiOTf electrolyte films were prepared using a variety of hydrocarbon templates as nanofillers, resulting in observable nanophase separation in the polymer electrolyte. Upon partial extraction of the nanofiller template, an enhanced conductivity over 2 orders of magnitude was measured using ac impedance. Scanning electron microscopy, differential scanning calorimetry, and thermogravimetric analysis were employed to characterize the porosity, composition, and mass loss of template-extracted and nonextracted film samples.
ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.0c02794