纺织学报 ›› 2022, Vol. 43 ›› Issue (10): 65-70.doi: 10.13475/j.fzxb.20210803106

• 纺织工程 • 上一篇    下一篇

间隔织物基光热-热电复合材料的制备及其性能

李沐芳, 陈佳鑫, 曾凡佳, 王栋()   

  1. 武汉纺织大学 纺织纤维及制品教育部重点实验室, 湖北 武汉 430200
  • 收稿日期:2021-08-04 修回日期:2022-03-18 出版日期:2022-10-15 发布日期:2022-10-28
  • 通讯作者: 王栋
  • 作者简介:李沐芳(1985—),女,教授,博士。主要研究方向为功能纤维材料。
  • 基金资助:
    国家自然科学基金项目(51873165);湖北省杰出青年基金项目(2021CFA068);湖北省高等学校优秀中青年科技创新团队项目(T2021007)

Preparation and performance of spacer fabric-based photothermal-thermoelectric composites

LI Mufang, CHEN Jiaxin, ZENG Fanjia, WANG Dong()   

  1. Key Laboratory of Textile Fiber and Products, Ministry of Education, Wuhan Textile University,Wuhan, Hubei 430200, China
  • Received:2021-08-04 Revised:2022-03-18 Published:2022-10-15 Online:2022-10-28
  • Contact: WANG Dong

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摘要：

为提高柔性可穿戴供能设备的热电性能,首先利用NaOH和二甲亚砜(DMSO)共同掺杂聚(3,4-乙烯二氧噻吩)-聚苯乙烯磺酸(PEDOT:PSS)制备NaOH/DMSO/PEDOT:PSS热电膜,研究了NaOH及DMSO质量分数对PEDOT:PSS电导率、塞贝克系数以及功率因数的影响;然后以棉/涤纶间隔织物为基材,通过复合NaOH/DMSO/PEDOT:PSS并涂覆ZrC/聚氨酯(PU)光热层制备光热-热电复合材料,并对复合材料的形貌结构和热电性能等进行表征。结果表明:当添加质量分数为0.5%的NaOH及3.5%的DMSO时,NaOH/DMSO/PEDOT:PSS热电膜的功率因数达到最高,为25.6 μW/(m·K2),是纯PEDOT:PSS膜的2 327倍;光热-热电复合材料的塞贝克系数为35.5 μV/K,添加ZrC/PU光热层后复合材料在光照下产生的电压为无光热层复合材料的6.3倍。

关键词: 光热材料, 热电材料, 间隔织物, 碳化锆, 聚氨酯, 聚(3,4-乙烯二氧噻吩)-聚苯乙烯磺酸, 柔性可穿戴供能设备

Abstract:

In order to improve the thermoelectric performance of flexible wearable energy supply equipment, NaOH and dimethylsulfoxide (DMSO) are used together to dope poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)(PEDOT:PSS)to prepare NaOH/DMSO/PEDOT:PSS thermoelectric film, and the influence of NaOH and DMSO concentration on the conductivity, Seebeck coefficient and power factor of PEDOT:PSS were studied. Cotton/polyester spacer fabric was used as the substrate, and the photothermal-thermoelectric composite thermoelectric material was prepared by compounding NaOH/DMSO/PEDOT:PSS and coating ZrC/polyurethane (PU) photothermal layer, and the morphology, structure and thermoelectric properties of the composites were characterized. The results show that when 0.5% NaOH and 3.5% DMSO are added, the power factor of NaOH/DMSO/PEDOT:PSS thermoelectric film reaches the peak value of 25.6 μW/(m·K2), which is 2 327 times that of pure PEDOT:PSS film. The Seebeck coefficient of the photothermal-thermoelectric composite material is 35.5 μV/K, and the voltage generated by the thermoelectric composite material under illumination after adding the photothermal layer is 6.3 times that of the thermoelectric composite material without a photothermal layer.

Key words: photothermal material, thermoelectric material, spacer fabric, ZrC, polyurethane, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate), flexible wearable energy supply equipment

中图分类号: 

  • TB34

图1

NaOH掺杂质量分数对PEDOT:PSS热电膜塞贝克系数、电导率及功率因数的影响"

图2

DMSO质量分数对PEDOT:PSS热电膜塞贝克系数、电导率及功率因数的影响"

图3

间隔织物基光热-热电复合材料的形貌图"

图4

间隔织物基光热-热电复合材料的热电性能"

图5

光照下光热-热电复合材料的电压输出情况及热电单元串联结构"

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