Ab Malik Marwan Ali, F. A. Lothfy, Siti Zafirah Zainal Abidin, Hartini Ahmad Rafaie
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引用次数: 0
摘要
聚合物电解质膜用作能量存储装置中的隔膜和电解质。本研究旨在研究高氯酸锂(LiClO4)与聚乳酸(PLA)复合制备的聚合物电解质膜的结构性能。主体聚合物电解质的结构性质对电导率值有显著影响。本文研究了LiClO4和PLA之间的非晶态和分子间相互作用程度对导电性能的影响。采用溶液浇铸技术,用不同重量百分比的LiClO4盐(10%、20%、30%、40%、50%和60%)在聚乳酸中制备了LiClO4复合聚乳酸聚合物电解质膜。含有50%LiClO4的PLA具有最高的非晶态程度和最高的羰基相互作用百分比,导致最高的电导率为2.56 x 10-5 S cm-1。因此,获得了LiClO4对非晶态、羰基相互作用和电导率的最佳组成,并可用于进一步研究,以提高电导率值为目的,将其应用于储能器件的开发-
Effect of Amorphousness Degrees and Intermolecular Interactions between Lithium Perchlorate (LiClO4) and Polylactic Acid (PLA) on the Conductivity PLA-Based Polymer Electrolyte Performance
The polymer electrolyte membrane serves as a separator and electrolyte in an energy storage device. The purpose of this study was to investigate the structural properties of polymer electrolyte membranes prepared of lithium perchlorate (LiClO4)-complexed polylactic acid (PLA).
The structural properties of the host polymer electrolyte have significant impact on the conductivity value.
In this paper, the effect of amorphousness and intermolecular interactions degrees between LiClO4 and PLA on conductivity performance was studied.
The polymer electrolyte film of LiClO4-complexed PLA was prepared with various weight percentages of LiClO4 salt (10%, 20%, 30%, 40%, 50%, and 60%) in PLA by using solution casting technique.
PLA with 50% LiClO4 had the highest degree of amorphousness and the highest percentage of interacting carbonyl groups, which resulted in the highest conductivity of 2.56 x 10-5 S cm-1.
As conclusion, the optimum composition of LiClO4 for the amorphousness, interacting of carbonyl group and conductivity obtained, and it can be used to use for further research to improve the conductivity value as purpose to apply it into energy storage devices development.
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