Characteristics of poly(ethylene oxide) - NaI polymer electrolyte and electrochemical cell performances

被引：29
|
作者：
Mohamed, NS
Zakaria, MZ
Ali, AMM
Arof, AK
机构：
[1] Physics Division, Ctr. for Found. Studies in Science, University of Malaya, 50603 Kuala Lumpur, Lembah Pantai
来源：
JOURNAL OF POWER SOURCES | 1997年 / 66卷 / 1-2期
关键词：
polymer electrolyte; poly(ethylene oxide); sodium iodide; performance;
D O I：
10.1016/S0378-7753(96)02541-4
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：
Poly(ethylene oxide) (PEO)-NaI complexes with different sodium:oxygen ratios are prepared by the solution-casting method. The complex with Na+/O=0.022 gives the highest conductivity, viz., 5.21 X 10(-5) S cm(-1). X-ray diffraction studies studies show that the sample with the highest electrical conductivity exhibits the smallest coherent length. This complex is used as an electrolyte for the fabrication of (metal)/PEO-NaI/(metal oxide) electrochemical cells. The open-circuit voltage of the fabricated cell with the best performance is 407 mV. The short-circuit current is about 14 mu A.
引用
收藏
页码：169 / 172
页数：4
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