织物基电致变色电极

doi:10.16085/j.issn.1000-6613.2023-2141

摘要/Abstract

摘要：

针对用于电致变色织物的电极不能满足织物舒适性和透气性的要求，本文选用导电银纱线为电极，实验结果表明导电银纱线性能可以更好地满足织物的舒适性和透气性，选用5根纱线并排穿入织物的连接方式电致变色性能好。实验以白色纯棉平纹机织布为基底，碳酸丙烯酯高氯酸锂溶液为电解液，聚3,4-乙烯二氧噻吩: 聚苯乙烯磺酸盐为电致变色层，用电化学工作站进行测试，并从电极材料、导电纱线连接方式、导电纱线排布密度方面对影响电致变色性能的因素进一步分析。

关键词: 智能纺织品, 电化学, 电致变色, 导电银纱线, 电极

Abstract:

For the electrode used for electrochromic fabrics do not meet the requirements of comfort and breathability, this paper selected conductive silver yarn as the electrode. The experimental results showed that the performance of conductive silver yarn could be better to meet the comfort of the fabrics and breathability. The electrode with five yarns side by side through the fabric connection had good electrochromic performance. The experiments were conducted on a white cotton plain woven fabric as the substrate with lithium perchlorate solution of propylene carbonate as the electrolyte and poly(3,4-ethylenedioxythiophene): polystyrene sulphonate as the electrochromic layer. The electrochromic performance was tested using an electrochemical workstation, and the factors affecting the electrochromic performance were further analyzed from the electrode material, the conductive yarn connection method and the density of conductive yarn rows.

Key words: smart textiles, electrochemical, electrochromic, conductive silver yarn, electrode

中图分类号:

TQ150

王晶晶, 姚金波, 谢东. 织物基电致变色电极[J]. 化工进展, 2024, 43(12): 6849-6854.

WANG Jingjing, YAO Jinbo, XIE Dong. Fabric-based electrochromic electrodes[J]. Chemical Industry and Engineering Progress, 2024, 43(12): 6849-6854.

图/表 12

图1 丝网印刷的模型（设计Ⅰ）

图2 电致变色组件

图3 导电纱线连接方式

图4 导电纱线排布密度

图5 接通电源后的组件

表1 组件处于着色状态与褪色状态下测色数值

状态	L*	a*	b*	c*
着色	31.449	0.088	-16.418	16.424
褪色	42.59	-3.428	-14.22	14.632

图6 空白组件循环伏安曲线

图7 铜线和银线组件循环工作100次的循环伏安曲线

图8 银线空白和银线组件循环伏安曲线

图9 两种连接方式下不同器件的循环伏安和电势阶跃曲线

图10 排布密度的影响

图11 不同电极织物的服用性能

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