Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (02): 174-179.doi: 10.13475/j.fzxb.20200801206

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Preparation of multifunctional core-shell structure thermoelectric fabrics by low-temperature interfacial polymerization

ZHANG Xuefei1, LI Tingting1,2, SHIU Bingchiuan3, LIN Jiahorng1,2,4,5, LOU Chingwen1,3,6()   

  1. 1. School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
    2. Key Laboratory of Advanced Textile Composite, Ministry of Education, Tiangong University, Tianjin 300387, China
    3. Ocean College, Minjiang University, Fuzhou, Fujian 350108, China
    4. Department of Chemistry and Materials, Feng Chia University, Taiwan 40724, China
    5. School of Chinese Medicine, China Medical University, Taiwan 40402, China
    6. Department of Bioinformatics and Medical Engineering, Asia University, Taiwan 41354, China
  • Received:2020-08-03 Revised:2020-11-11 Online:2021-02-15 Published:2021-02-23
  • Contact: LOU Chingwen E-mail:cwlou@asia.edu.tw

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Abstract:

In order to prepare high-conductivity, flexible, and multifunctional thermoelectric fabrics, a low-temperature in-situ interfacial polymerization method was proposed to fabricate core-shell thermoelectric textile with p-toluenesulfonic acid ion-doped poly(3,4-ethylenedioxythiophene) (PEDOT∶Tos) coated with polypropylene(PP) fibers. The structure and performance of thermoelectric fabrics were characterized and analyzed by scanning electron microscope, Fourier transform infrared spectrometer, and infrared thermal imager. The results show that the prepared thermoelectric fabrics have excellent flexibility as a textile materials, and good conductivity due to PEDOT∶Tos with conductivity reaching 2.1 S/cm. When a voltage of 10V is applied to both ends of a thermoelectric fabric, the surface temperature increases by about 20 ℃, indicating good electric heating performance and effective conversion of electric energy into heat energy. When the thermoelectric conversion device constructed using the thermoelectric fabric is placed in a temperature gradient field with a temperature difference of 20 ℃, it can continuously output a voltage of 0.3 mV.

Key words: thermoelectric fabric, poly(3,4-ethylenedioxythiophene), low-temperature interfacial polymerization, p-toluenesulfonic acid ion, thermoelectric conversion device, polypropylene nonwoven fabric

CLC Number: 

  • TQ342.83

Fig.1

SEM images of PP nonwoven and PP/PEDOT thermoelectric fabric. (a) Surface of PP; (b) Surface of PP/PEDOT; (c) Corss-section of PP/PEDOT"

Fig.2

Fourier transform infrared spectra of PP nonwoven and PP/PEDOT thermoelectric fabric"

Fig.3

Conductivity test of PP/PEDOT thermoelectric fabric"

Fig.4

Resistance changes of PP/PEDOT thermoelectric fabric"

Fig.5

Appearance of PP/PEDOT thermoelectric fabric after ultrasonic cleaning"

Fig.6

Resistance changes of PP/PEDOT thermoelectric fabric under ultrasonic cleaning test"

Fig.7

Infrared thermal imaging of PP/PEDOT thermoelectric fabric at different voltages"

Fig.8

PP/PEDOT thermoelectric fabric electric heating curve"

Fig.9

Thermoelectric conversion test of textile thermoelectric device. (a) Without heating;(b) With heating"

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