PEO/STARCH-NANOCRYSTALS BASED SOLID POLYMER ELECTROLYTE MEMBRANES FOR MAGNESIUM ION CONDUCTING APPLICATIONS

被引：0

作者：

Marinov, Yordan G. ^{[1
]}

Koduru, Hari K. ^{[1
]}

Exner, Ginka K. ^{[2
]}

Ivanov, George R. ^{[3
]}

Scaramuzza, Nicola ^{[4
]}

机构：

[1] Bulgarian Acad Sci, Georgi Nadjakov Inst Solid State Phys, 72 Tsarigradsko Shosse, Sofia 1784, Bulgaria

[2] Plovdiv Univ Paisii Hilendarski, Fac Phys & Technol, 24 Tsar Asen St, Plovdiv 4000, Bulgaria

[3] Univ Architecture Civil Engn & Geodesy UACEG, Univ Lab Nanosci & Nanotechnol, Dept Phys, 1 Hristo Smirnenski Blvd, Sofia 1164, Bulgaria

[4] Univ Calabria, Dipartimento Fis, Via P Bucci,Cubo 33B, IT-87036 Arcavacata Di Rende, CS, Italy

来源：

COMPTES RENDUS DE L ACADEMIE BULGARE DES SCIENCES | 2023年 / 76卷 / 05期

关键词：

solid polymer electrolytes; nanocomposites; bioorganic filler; starch nanocrystals (SNCs); electrical impedance spectroscopy; magnesium ionic conductivity; microstructural properties; STATE; CONFORMATION; BATTERY;

D O I：

10.7546/CRABS.2023.05.04

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

PEO/SNCs based nanocomposite electrolyte membrane complexed with MgBr2 salt (15 wt.%) was fabricated following conventional solution casting technique. The effect of incorporation of salt ions on microstructural properties of host matrix of PEO/SNCs were investigated by means of XRD, FTIR, DSC studies. The modifications in the nature of diffraction peaks and vibrational modes of nanocomposites revealed the formation of strong hydrogen bonding and cross links between SNCs and salt ions. A decrease of melting and glass transition temperatures of host matrix was observed as a result of salt doping. The complex electrochemical impedance measurements were carried out in the applied frequency range of 0.1 Hz - 1 MHz and in the temperature range of 303- 373 K. The PEO/SNCs composite complexed with 15 wt.% salt showed room temperature ionic conductivity of 7.8x10-8 S/cm promising for soft electronics, solid state ionics and sensing applications.

引用

页码：689 / 697

页数：9

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