<trans-title>Fabrication and Planar Cooling Performance of Flexible Bi0.5Sb1.5Te3/epoxy Composite Thermoelectric Films</trans-title>

Peng LI; Xiao-Lei NIE; Ye TIAN; Wen-Bing FANG; Ping WEI; Wan-Ting ZHU; Zhi-Gang SUN; Qing-Jie ZHANG; Wen-Yu ZHAO

doi:10.15541/jim20180528

Journal of Inorganic Materials, Volume. 34, Issue 6, 679(2019)

Fabrication and Planar Cooling Performance of Flexible Bi_0.5Sb_1.5Te₃/epoxy Composite Thermoelectric Films

Peng LI... Xiao-Lei NIE*, Ye TIAN, Wen-Bing FANG, Ping WEI, Wan-Ting ZHU, Zhi-Gang SUN, Qing-Jie ZHANG and Wen-Yu ZHAO* |Show fewer author(s)

Author Affiliations

State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

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Figures & Tables(7)

. XRD patterns of the composite films prepared with different contents of Bi_0.5Sb_1.5Te₃ powder

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. Cross-sectional FESEM images of the composite thick films prepared with different contents of Bi_0.5Sb_1.5Te₃ powder

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. Temperature dependence of (a) electrical conductivity σ, (b) Seebeck coefficient α and (c) power factor α²σ of the composite thick films prepared with different content of Bi_0.5Sb_1.5Te₃powder

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. Anti-bending tests of flexible films: (a) bending radius and (b) bending cycles

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. Visual infrared images of the composite thick films measured with different currents (I)

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Table 1.
Densities and electrical properties of the composite films at room temperature
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Table 1.
Densities and electrical properties of the composite films at room temperature
x ρ/(g·cm^-3) R_H/(×10^-1, cm³·C^-1) n/(×10¹⁹, cm^-3) μ_H/(cm²·V^-1·s^-1) σ/(×10⁴, S·m^-1)
6.5 3.93 3.72 1.67 45.15 1.21
7 4.08 3.69 1.69 52.17 1.41
8 4.32 3.57 1.74 58.85 1.65
9 4.19 3.56 1.73 54.69 1.51
10 4.05 3.55 1.72 50.59 1.40

Table 2.
Comparison of σ and α²σ of Bi₂Te₃-based composite films reported by different groups

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Table 2.
Comparison of σ and α²σ of Bi₂Te₃-based composite films reported by different groups

Materials	Fabrication process	Annealing methods	σ/(×10⁴, S·m^-1)	α²σ/(mW·m^-1·K^-2)	Ref.
Bi_0.5Sb_1.5Te₃+epoxy	Screen printing	573 K, 4 h, hot pressing	1.67	1.12	This work
Bi_0.5Sb_1.5Te₃ ink	Inkjet printing	673 K, 30 min	0.20	0.07	[10]
Bi_0.5Sb_1.5Te₃+8%Te-epoxy	Dispenser printing	523 K	0.11	0.06	[14]
Bi_0.5Sb_1.5Te₃+C₂₄H₄₄O₆	Brush-printed	673 K, 4 h	0.29	0.15	[17]
Bi₂Te₃+1%Se-epoxy	Dispenser printing	623 K, 12 h	1.03	0.26	[20]
Bi_0.5Sb_1.5Te₃+epoxy	Brush-printed	623 K, 4 h, hot pressing	1.15	0.84	[22]
Bi_0.5Sb_1.5Te₃+8%Te-polymer	Dispenser printing	523 K	0.13	0.16	[25]

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Peng LI, Xiao-Lei NIE, Ye TIAN, Wen-Bing FANG, Ping WEI, Wan-Ting ZHU, Zhi-Gang SUN, Qing-Jie ZHANG, Wen-Yu ZHAO. Fabrication and Planar Cooling Performance of Flexible Bi_0.5Sb_1.5Te₃/epoxy Composite Thermoelectric Films[J]. Journal of Inorganic Materials, 2019, 34(6): 679

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Paper Information

Category: RESEARCH LETTERS

Received: Nov. 9, 2018

Accepted: --

Published Online: Sep. 24, 2021

The Author Email: NIE Xiao-Lei (xiaoleinie@whut.edu.cn), ZHAO Wen-Yu (wyzhao@whut.edu.cn)

DOI:10.15541/jim20180528

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Densities and electrical properties of the composite films at room temperature

Table 1. Densities and electrical properties of the composite films at room temperature

Table 2. Comparison of σ and α2σ of Bi2Te3-based composite films reported by different groups

Table 2. Comparison of σ and α2σ of Bi2Te3-based composite films reported by different groups

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Table 1.
Densities and electrical properties of the composite films at room temperature

Table 1.
Densities and electrical properties of the composite films at room temperature

Table 2.
Comparison of σ and α²σ of Bi₂Te₃-based composite films reported by different groups

Table 2.
Comparison of σ and α²σ of Bi₂Te₃-based composite films reported by different groups