β-环糊精-聚环氧乙烷/碱金属盐复合物的离子电导率
Ionic conductivity of β-cyclodextrin-polyethylene-oxide/alkali-metal-salt complex.
作者信息
Yang Ling-Yun, Fu Xiao-Bin, Chen Tai-Qiang, Pan Li-Kun, Ji Peng, Yao Ye-Feng, Chen Qun
机构信息
Physics Department and Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, North Zhongshan Road 3663, 200062 Shanghai (P. R. China).
出版信息
Chemistry. 2015 Apr 20;21(17):6346-9. doi: 10.1002/chem.201406380. Epub 2015 Mar 10.
Highly conductive, crystalline, polymer electrolytes, β-cyclodextrin (β-CD)-polyethylene oxide (PEO)/LiAsF6 and β-CD-PEO/NaAsF6 , were prepared through supramolecular self-assembly of PEO, β-CD, and LiAsF6 /NaAsF6 . The assembled β-CDs form nanochannels in which the PEO/X(+) (X=Li, Na) complexes are confined. The nanochannels provide a pathway for directional motion of the alkali metal ions and, at the same time, separate the cations and the anions by size exclusion.
通过聚环氧乙烷（PEO）、β-环糊精（β-CD）和六氟砷酸锂/六氟砷酸钠（LiAsF6/NaAsF6）的超分子自组装，制备了高导电性的结晶聚合物电解质β-环糊精（β-CD）-聚环氧乙烷（PEO）/LiAsF6和β-环糊精-聚环氧乙烷（β-CD）-PEO/NaAsF6。组装形成的β-环糊精构成纳米通道，聚环氧乙烷/阳离子（X+=Li、Na）络合物被限制在其中。纳米通道为碱金属离子的定向移动提供了一条路径，同时通过尺寸排阻作用将阳离子和阴离子分开。
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