T. Nguyen, V. Phat, M. Tran, and P. Le, “Survey of the Polyvinylidene Fluoride (PVDF) ratio and evaluation of electrochemical properties of Gel-Polymer PEO/PVDF/SiO2/LiTFSI membranes used for Li||LiFePO4 batteries”, VNUHCM Journal of Natural Sciences, vol. 8, no. 3, pp. 3099-3111, Sep. 2024.