Studying the Properties of PVdF-HFP Based Lithium Polymer Electrolytes Using non-ionic Surfactants as Plasticizers

[EN] In this study, two different non-ionic surfactants have been evaluated as a plasticizer in lithium polymer electrolytes and compared with an organic carbonate-based plasticizer. To that end, non-ionic surfactants with different molecular weight and structure have been selected (Triton? X-100 an...

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Hauptverfasser: Zubizarreta Saenz De Zaitegui, Leire, Gil Agustí, María Teresa, Espinosa-López, Juan Carlos, GARCÍA PELLICER, MARTA, Quijano-Lopez, Alfredo
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Zusammenfassung:[EN] In this study, two different non-ionic surfactants have been evaluated as a plasticizer in lithium polymer electrolytes and compared with an organic carbonate-based plasticizer. To that end, non-ionic surfactants with different molecular weight and structure have been selected (Triton? X-100 and Brij?L23) and compared with organic carbonates (EC:DEC1:1) as plasticizers in lithium polymer electrolytes. The effect of the plasticizer content, salt content and surfactant characteristics on properties such as ionic conductivity, thermal stability and electrochemical stability of lithium polymer electrolytes has been studied. The results obtained show that the non-ionic surfactants studied as plasticizers (Triton? X-100 and Brij?L23) give lithium polymer electrolytes with higher thermal and electrochemical stability than organic carbonates, thus making them promising plasticizers for lithium polymer electrolytes, especially for high voltage lithium-ion batteries. Surfactant structure could influence the ionic conductivity of the polymer electrolytes, with the linear surfactants being more suitable for this application. This research was funded by the Centro de Desarrollo Tecnologico Industrial-CDTI (ALMAGRID Project-CER-20191006) and by the Instituto Valenciano de Competitividad EmpresarialIVACE-FEDER (MATER Project-IMDEEA/2019/48) Zubizarreta Saenz De Zaitegui, L.; Gil Agustí, MT.; Espinosa-López, JC.; García Pellicer, M.; Quijano-Lopez, A. (2021). Studying the Properties of PVdF-HFP Based Lithium Polymer Electrolytes Using non-ionic Surfactants as Plasticizers. Materiale Plastice. 58(1):237-247. https://doi.org/10.37358/mp.21.1.5463