聚(二甲基丙烯酸多缩乙二醇酯—甲基丙烯酸锂)固体电解质研究 |
| |
引用本文: | 丁文生,沈家瑞.聚(二甲基丙烯酸多缩乙二醇酯—甲基丙烯酸锂)固体电解质研究[J].广州化学,1991(2). |
| |
作者姓名: | 丁文生 沈家瑞 |
| |
作者单位: | 中国科学院广州化学研究所,华南理工大学 |
| |
摘 要: | 本文以聚乙二醇(PEG)为原料,在pEG端基引入双键,合成了PEG大分子单体。研究了PEG大分子单体—甲基丙烯酸锂(MALi)共聚及成膜反应,制备了单离子导电的共聚物薄膜,测定了其电性能,室温最高电导率可达10~(-6)Sem~(-1)以上,100℃时可达10~(-4)Scm~(-1),而且电导率—时间稳定性好。在力学性能方面,既柔韧且具有一定的强度,是作为固体电池电解质材料的理想材料。本文还研究了影响共聚物成膜性和电性能的因素,同时,采用DSC,X-射线衍射、IR等现代分析技术对聚合物主体材料及共聚物的结构和形态进行了研究。
|
SINGLE-ION CONDUCTION IN POLY (OLIGO(OXYETHYLENE) BI-METHACRYLATE)CO-(LITHIUM METHACRYLATE) |
| |
Abstract: | We began this research with the synthesis of PEG monomers of different molecule weight (MEOnM), which were prepared by introducing doudle-dond on the terminal group of PEG. Studying the copolymerlization of MEOnM with lithium methacrylates (MALi) , preparing films of poly(MEOnM-Mali). The maximum conductivity of the film at room tempreture can reach 10~(-6) scm~(-1), and 10~(-4) scm~(-1) at 100℃. IR, X-ray diffraction, DSC were used to analyse the structure and pattern of the monomers and copolymers. |
| |
Keywords: | |
本文献已被 CNKI 等数据库收录! |
|