Composite solid polymer electrolytes based on pluronics: Does ordering matter?

被引：12

作者：

Bronstein, Lyudmila M. ^{[1
]}

Karlinsey, Robert L.

Yi, Zheng

Carini, John

Werner-Zwanziger, Ulli

Konarev, Peter V.

Svergun, Dmitri I.

Sanchez, Angelica

Khan, Saad

机构：

[1] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA

[2] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[3] Indiana Nanotech, Indianapolis, IN 46202 USA

[4] Dalhousie Univ, Dept Chem, Halifax, NS B3H 4J3, Canada

[5] Dalhousie Univ, Inst Mat Res, Halifax, NS B3H 4J3, Canada

[6] EMBL, Hamburg Outstn, D-22603 Hamburg, Germany

[7] Russian Acad Sci, Inst Crystallog, Moscow 117333, Russia

[8] N Carolina State Univ, Dept Chem & Biomol Engn, Raleigh, NC 27695 USA

来源：

CHEMISTRY OF MATERIALS | 2007年 / 19卷 / 25期

关键词：

D O I：

10.1021/cm7022218

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Composite solids polymer electrolytes (SPEs) based on Pluronic block copolymers, PEOx-b-PPOy-b-PEOx, and silicate organic-inorganic component (OIC) formed in situ have been synthesized and characterized using solid-state NMR, Raman spectroscopy, differential scanning calorimetry (DSC), small-angle X-ray scattering (SAXS), rheology, and electrochemical measurements. Raman spectroscopy, DSC, an theological data reveal that the block copolymer and OIC are intermixed in the composite SPEs, and the degree of intermixing determines the SPE properties. Comparison of the SAXS and electrochemical results leads us to conclude that ordering in block copolymer-based composite SPEs is not a crucial parameter for the improved conductivity, while the combination of the ratios of the SPE components and their intermixing gives rise to extended interfaces that control the electrochemical performance.

引用

页码：6258 / 6265

页数：8

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