PEO-based polymer blend electrolyte for composite structural battery

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dc.contributor.authorGucci, Francesco
dc.contributor.authorGrasso, Marzio
dc.contributor.authorShaw, Christopher
dc.contributor.authorLeighton, Glenn
dc.contributor.authorMarchante Rodriguez, Veronica
dc.date.accessioned2023-03-28T15:24:43Z
dc.date.available2023-03-28T15:24:43Z
dc.date.issued2023-02-22
dc.description.abstractHigh mechanical strength and ionic conductivity of solid-state electrolyte (SSE) are currently conflicting targets that are very difficult to achieve. Polyethylene oxide (PEO) is one of the most common polymers adopted for SSE because of its very high ionic conductivity, but its mechanical strength is very low. This work discusses the manufacturing and testing of PEO blends using polysulfone (PSf) and Lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) to assess the mechanical response under microtensile testing and the ionic conductivity with electrochemical impedance spectroscopy (EIS). Mechanical tests demonstrated a beneficial effect of LiTFSI with significant increase in maximum stress and ductility measured as strain at failure. The blending of PEO and PSf showed promising conductivity values at room temperature with the 90–10 PEO-PSf composition achieving the highest value (1.06 × 10−6 S/cm) and for the 70–30 composition achieving the highest maximum stress (3.5 MPa) with a conductivity of 3.12 × 10−7 S/cm.en_UK
dc.identifier.citationGucci F, Grasso M, Shaw C, et al., (2023) PEO-based polymer blend electrolyte for composite structural battery. Polymer-Plastics Technology and Engineering, Volume 62, Issue 8, 2023, pp. 1019-1028en_UK
dc.identifier.issn0360-2559
dc.identifier.urihttps://doi.org/10.1080/25740881.2023.2180391
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/19363
dc.language.isoenen_UK
dc.publisherTaylor and Francisen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectSolid state electrolyteen_UK
dc.subjectlithiumen_UK
dc.subjectelectrochemical impedance spectroscopyen_UK
dc.subjectpolymer blenden_UK
dc.titlePEO-based polymer blend electrolyte for composite structural batteryen_UK
dc.typeArticleen_UK

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