分散第二相Al_2O_3对高分子固体电解质电性能的影响

谢海芬; 孙晓翔; 黄宜平; 李光远

doi:10.61558/2993-074X.1532

电化学 >

2003 , Vol. 9 >Issue 4: 451 - 456

DOI: https://doi.org/10.61558/2993-074X.1532

研究论文

分散第二相Al_2O_3对高分子固体电解质电性能的影响

谢海芬 ,
孙晓翔 ,
黄宜平 ,
李光远

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华东理工大学物理系,复旦大学微电子系,复旦大学微电子系,华东理工大学物理系上海201512复旦大学微电子系上海200433 ,上海200433 ,上海200433 ,上海201512

收稿日期: 2003-11-28

修回日期: 2003-11-28

网络出版日期: 2003-11-28

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Effect of DSPP Al_2O_3 on Electrical Properties of Polymer Electrolyte

XIE Hai_fen ,
 ,
SUN Xiao_xiang ,
WANG Yi_pin

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(1. Physics Department, East China University of Science and Technology, Shanghai 201512,China;2. Microelectronic department Fudan University,Shanghai 200433,China)

Received date: 2003-11-28

Revised date: 2003-11-28

Online published: 2003-11-28

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摘要

于固体电解质PEO＿NaSCN络合物中加入Al2O3绝缘体作为第二相,分别研究了Al2O3的粒径,含量对该固体电解质电性能的影响.发现当Al2O3的粒径小于1μm时,离子电导率比纯的固体电解质的电导率高,大于1μm时,则比纯样品的低,即临界粒径约为1μm.当Al2O3的含量达到约25%时,电导率达到极大值.此外,样品的高频极化和低频极化也随Al2O3的粒径的增大而越显著.

关键词： 高分子固体电解质; 第二相; 颗粒度; 电导率; 阻抗谱; 频响特性

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谢海芬 , 孙晓翔 , 黄宜平 , 李光远 . 分散第二相Al_2O_3对高分子固体电解质电性能的影响[J]. 电化学, 2003 , 9(4) : 451 -456 . DOI: 10.61558/2993-074X.1532

Abstract

The PEO_NaSCN polymer solid electrolytes by adding dispersed second phase particles (DSPP) of Al2O3 were studied. The characteristics of solid electrolytes and conductivity values are dependent on DSPP Al2O3 sizes and its contents. It was found that when the Al2O3 sizes are less than 1 μm, which is a criticle size, the sample conductivities were larger than those of the pure PEO_NaSCN samples and when the Al2O3 sizes are larger than 1 μm then the sample conductivities are less then those of the pure samples. The maximum conductivity appears when the content of Al2O3 is 25% .Low frequency and high frequency dispersion are also dependent on the DSPP Al2O3 sizes.

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