材料科学技术(英文版)2024,Vol.179Issue(12) :79-85.DOI:10.1016/j.jmst.2023.08.059

High thermoelectric performance of flexible Ag/Ag2Se composite film on nylon for low-grade energy harvesting

Ying Liu Jiajia Li Zixing Wang Ping Wei Wenyu Zhao Lidong Chen Kefeng Cai
材料科学技术(英文版)2024,Vol.179Issue(12) :79-85.DOI:10.1016/j.jmst.2023.08.059

High thermoelectric performance of flexible Ag/Ag2Se composite film on nylon for low-grade energy harvesting

Ying Liu 1Jiajia Li 1Zixing Wang 2Ping Wei 3Wenyu Zhao 3Lidong Chen 4Kefeng Cai2
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作者信息

  • 1. Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education,Shanghai Key Laboratory of Development and Application for Metal-Functional Materials,School of Materials Science & Engineering,Tongji University,Shanghai 201804,China;State Key Laboratory of High Performance Ceramics and Superfine Microstructure,Shanghai Institute of Ceramics,Chinese Academy of Sciences,Shanghai 200050,China;University of Chinese Academy of Sciences,Beijing 100049,China
  • 2. Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education,Shanghai Key Laboratory of Development and Application for Metal-Functional Materials,School of Materials Science & Engineering,Tongji University,Shanghai 201804,China
  • 3. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,Wuhan University of Technology,Wuhan 430070,China
  • 4. State Key Laboratory of High Performance Ceramics and Superfine Microstructure,Shanghai Institute of Ceramics,Chinese Academy of Sciences,Shanghai 200050,China;University of Chinese Academy of Sciences,Beijing 100049,China
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Abstract

In this work,Ag/Ag2Se composite films with excellent thermoelectric(TE)properties and flexibility are prepared based on a simple one-pot method.By adjusting the nominal ratios of Ag/Se,an optimal Ag/Ag2Se composite film shows a large power factor of~2275 μW m-1 K-2 at 300 K.Such an outstand-ing TE performance of the composite film is due to the unique microstructure and the synergistic effect between the Ag and Ag2Se.Meanwhile,the composite film also shows outstanding flexibility(~91.8%of the initial electrical conductivity is maintained,and the S is unchanged after 1500 bending cycles with a bending radius of 4 mm).Furthermore,a 4-leg flexible TE generator assembled with the optimal film produces a voltage of 14.06 mV and 4.96 μW at a temperature difference of 30.4 K.This work provides a new inspiration for the preparation of flexible Ag2Se-based films with excellent TE performance near room temperature.

Key words

Thermoelectric/Ag/Ag2Se/Flexible/Film/Power generator

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基金项目

National Natural Science Foundation of China(92163118)

National Natural Science Foundation of China(51972234)

出版年

2024
材料科学技术(英文版)
中国金属学会 中国材料研究学会 中国科学院金属研究所

材料科学技术(英文版)

CSTPCDCSCD
影响因子:0.657
ISSN:1005-0302
参考文献量44
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