Electrochemical properties of poly(vinyl alcohol) and graphene oxide composite for supercapacitor applications

被引：34

作者：

Theophile, Niyitanga ^{[1
]}

Jeong, Hae Kyung ^{[1
]}

机构：

[1] Daegu Univ, Inst Basic Sci, Dept Phys, Gyongsan 712714, South Korea

来源：

CHEMICAL PHYSICS LETTERS | 2017年 / 669卷

关键词：

Polymer composites; Poly(vinyl alcohol); Graphene oxide; GRAPHITE OXIDE; MECHANICAL-PROPERTIES; NANOCOMPOSITES; FABRICATION; FILMS; TRANSPARENT;

D O I：

10.1016/j.cplett.2016.12.029

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Poly(vinyl alcohol), PVA, polymer was successfully combined with graphene oxide (GO) and thermally reduced graphene oxide (RGO), respectively, to make composites and characterized for supercapacitor applications. PVA-RGO composite shows excellent electrochemical properties compared to PVA-GO composite. The capacitance of 190 Fg(-1) is obtained from PVA-RGO composite which is larger than that (13 Fg(-1)) of PVA-GO composite. Electrochemical impedance of PVA-RGO is more than ten times smaller than that of PVA-GO at 20 kHz, demonstrating that PVA-RGO composite has a great advantage for super capacitor applications compared to PVA, GO, RGO, and PVA-GO composite. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：125 / 129

页数：5

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