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Fabrication and characterization of electrospun PVAM/TEOS based gel polymer electrolyte for Lithium-ion batteries

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dc.contributor.author Kassenova, N.
dc.contributor.author Kalybekkyzy, S.
dc.contributor.author Kahraman, M.V.
dc.contributor.author Bakenov, Zhumabay
dc.contributor.author Mentbayeva, Almagul
dc.contributor.author Kassenova
dc.date.accessioned 2020-11-04T09:28:14Z
dc.date.available 2020-11-04T09:28:14Z
dc.date.issued 2020-08
dc.identifier.uri http://nur.nu.edu.kz/handle/123456789/5059
dc.description.abstract Gel polymer electrolytes (GPEs) are promising components in lithium ion batteries (LIBs) because of leak proof, longer shelf life and safety. GPE consists of a porous polymer host and liquid electrolyte saturated within and combine the advantages of both the liquid and solid components [1]. In this study, a GPE based on poly(vinyl alcohol)/maleited PVA/tetraethyl orthosilicate (PVA/PVAMA/ TEOS) polymer fibers were prepared in different weight ratios. Crosslinked nanofibrous polymer membrane for GPE was fabricated by UV-electrospinning method. Dual crosslink polymer membranes were obtained after heat treatment of as-prepared polymer nanofibers, due to the condensation of hydrolyzed TEOS. The morphology of the electrospun membranes was studied using scanning electron microscopy. Thermal properties of the membranes were investigated using thermal gravimetric analysis. The membrane has good porosity exhibits high uptake when activated with the liquid electrolyte of lithium salt in a mixture of organic solvents and also shows high liquid retention properties. Electrochemical impedance spectroscopy and linear sweep voltammetry was used to determine the conductivity and electrochemical stability of prepared GPEs. Electrochemical performance of the polymer gel electrolyte is evaluated in Li/polymer electrolyte/LiFePO4 coin cell. en_US
dc.language.iso en en_US
dc.publisher The 8th International Conference on Nanomaterials and Advanced Energy Storage Systems; Nazarbayev University; National Laboratory Astana; Institute of Batteries en_US
dc.rights Attribution-NonCommercial-ShareAlike 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/3.0/us/ *
dc.subject Research Subject Categories::TECHNOLOGY en_US
dc.subject gel polymer electrolytes en_US
dc.subject GPEs en_US
dc.subject lithium-ion batteries en_US
dc.title Fabrication and characterization of electrospun PVAM/TEOS based gel polymer electrolyte for Lithium-ion batteries en_US
dc.type Abstract en_US
workflow.import.source science

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