Ndruru, S.T.C.L., Wahyuningrum, D., Bundjali, B. and Arcana, I.M. 2020. Preparation and Characterization of Biopolymer Electrolyte Membranes Based on LiClO4-Complexed Methyl Cellulose as Lithium-ion Battery Separator. Journal of Engineering and Technological Sciences. 52, 1 (Feb. 2020), 28-50. DOI:https://doi.org/10.5614/j.eng.technol.sci.2020.52.1.3.