Polyacrylamide-lithiumchloride polymer electrolyte and its applications in electrochemical capacitors

被引：44

作者：

Virya, Alvin ^{[1
]}

Lian, Keryn ^{[1
]}

机构：

[1] Univ Toronto, Dept Mat Sci & Engn, Toronto, ON M5S 3E4, Canada

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2017年 / 74卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Solid supercapacitors; Neutral pH electrolyte; Polymer electrolyte; THIN-FILM SUPERCAPACITORS; FLEXIBLE SUPERCAPACITORS; HIGH-PERFORMANCE;

D O I：

10.1016/j.elecom.2016.11.014

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A neutral polymer electrolyte containing lithium chloride (LiCl) and polyacrylamide (PAM) was developed. The LiCl-PAM electrolyte film had an amorphous structure and an ionic conductivity N 10 mS cm(-1). The addition of LiCl to the polyacrylamide did not alter the chemical bonding of PAM. Symmetric double layer capacitors (EDLC) were constructed using CNT-graphite electrodes. The solid EDLC retained approximately 85% of the capacitance achievedwith a baseline cell in a LiCl aqueous solution. The solid EDLC devices demonstrated a wide voltage window (1.5 V), good cycle life (N10,000 cycles), and excellent rate capability (up to 5 V s(-1)). (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：33 / 37

页数：5

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