Study of the conductivity of solid polymeric electrolyte based on PVA/GA blend with addition of acetic acid

被引：30

作者：

Cholant, Camila M. ^{[1
]}

Rodrigues, Marco P. ^{[1
]}

Peres, Leandro L. ^{[1
]}

Balboni, Raphael D. C. ^{[1
]}

Kruger, Luana U. ^{[1
]}

Placido, Daniela N. ^{[1
]}

Flores, Wladimir H. ^{[2
]}

Gundel, Andre ^{[2
]}

Pawlicka, Agnieszka ^{[3
]}

Avellaneda, Cesar O. ^{[1
]}

机构：

[1] Univ Fed Pelotas, Ctr Desenvolvimento Tecnol, Rua Gomes Cameiro 1, BR-96010610 Pelotas, RS, Brazil

[2] Univ Fed Pampa, Campus Bage,Rua Maria AG de Godoy 1650, BR-96413170 Bage, RS, Brazil

[3] Univ Sao Paulo, IQSC, Av Trabalhador Saocarlense 400, BR-13566590 Sao Carlos, SP, Brazil

来源：

JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2020年 / 24卷 / 08期

关键词：

Solid polymer electrolyte; Gum arabic; Poly(vinyl alcohol); Ionic conductivity; DIELECTRIC BEHAVIOR; GUM; FILMS;

D O I：

10.1007/s10008-020-04605-2

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

This study searches the ion transport behavior and structural investigation of solid polymer electrolytes (SPEs) containing poly(vinyl alcohol) (PVA) and gum arabic (GA) with diverse amount of acetic acid for a possible application in electrochemical devices. The SPE system was prepared by the casting method and studied by electrical impedance spectroscopy (EIS), atomic force microscopy (AFM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). The best ionic conductivities of 2.22 x 10(-5) and 17.70 x 10(-5) S.cm(-1) at 25 and 80 degrees C, respectively, were measured for PVA/GA with 42 wt% of acetic acid. FTIR analysis confirmed PVA, GA, and acetic acid -OH, -C=O, and -COO- characteristic peaks. The ionic conductivity of PVA/GA SPE was affected by its ionic transport properties and amorphousness, which was revealed by deconvolution of XRD diffractograms. Additionally, AFM images proved predominantly homogeneous surface of the samples.

引用

页码：1867 / 1875

页数：9

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