Standardization of ionic conductivity measurements in Li1.3Al0.3Ti1.7(PO4)3-polymer composite electrolytes

被引：2

作者：

Jacob, Megha Sara ^{[1
]}

Doddi, Nikhil ^{[1
]}

Shanmugam, Vasu ^{[1
]}

Prasanna, Gopikrishnan Ebenezer ^{[1
]}

Peddi, Mahender ^{[1
]}

Vedarajan, Raman ^{[2
]}

Moodakare, Sahana B. ^{[1
]}

Gopalan, Raghavan ^{[1
]}

机构：

[1] IITM Res Pk, Int Adv Res Ctr Powder Met & New Mat, Ctr Automot Energy Mat, Chennai 600113, India

[2] IITM Res Pk, Int Adv Res Ctr Powder Met & New Mat, Ctr Fuel Cells, Chennai 600113, India

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2022年 / 286卷

关键词：

Ionic conductivity; Homogeneity; Pressure; Frequency; Solid State Electrolyte; Composite Membrane; NASICON-TYPE LATP; POLYMER ELECTROLYTES; SOLID ELECTROLYTES; PVDF-HFP; LI7LA3ZR2O12; MICROSTRUCTURE; FABRICATION; TRANSPORT;

D O I：

10.1016/j.mseb.2022.116049

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Over the years, several studies have been conducted to study the optimum composition of a composite electrolyte membrane that can provide efficient electrochemical performance. However, drastic variations in the results have been reported for similar compositions. Herein, we attempt to study the several factors that may contribute to variations in the ionic conductivity of composite electrolyte membranes. With the help of impedance spec-troscopy, we have identified frequency and pressure to be two major parameters that vary the conductivity values. For all membranes, conductivity was found to be greatly fluctuating at higher frequencies while the values became stable at a middle frequency of 100 kHz. Finally, a linear relationship was observed between the conductivity values and the pressure applied to the membrane on moving from a pressure of 16 kPa to 40 kPa

引用

页数：9

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