Impedance analysis of PEG plasticized PEO-based composite polymer electrolytes for sodium-ion batteries

被引：2
|
作者：
Xu, Xiaoyu [1 ,2 ]
Wang, Yumei [2 ]
Lu, Li [1 ,2 ]
Zhang, Huangwei [1 ,2 ]
机构：
[1] Natl Univ Singapore Chongqing, Res Inst, Chongqing 401123, Peoples R China
[2] Natl Univ Singapore, Dept Mech Engn, Singapore 117575, Singapore
来源：
FUNCTIONAL MATERIALS LETTERS | 2023年 / 16卷 / 03N04期
关键词：
Composite polymer electrolyte; sodium ion batteries; polyethylene glycol; polyethylene oxide; impedance;
D O I：
10.1142/S1793604723400167
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Solid-state sodium-ion batteries (SSIBs) will be the next generation batteries due to the high safety, low price, and availability of sodium resources. Composite polymer electrolytes (CPEs) are promising electrolytes because of easy fabrication, good stability, and high flexibility facilitating a good electrolyte-electrode interface, although their ionic conductivities are still unsatisfied. In this work, a CPE made of polyethylene oxide (PEO), Na(3)Zr(2)Si(2)PO12, and NaClO4 has been fabricated. To further enhance the ionic conductivity and a good electrolyte-electrode interface, polyethylene glycol (PEG) is added as a plasticizer. The electrochemical impedance spectroscopy (EIS) demonstrates effect on conductivity by introducing PEG.
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页数：4
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