期刊
NATURE COMMUNICATIONS
卷 11, 期 1, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-020-14399-6
关键词
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资金
- Natural Science Foundation of China [51871053, 91963204]
- Shanghai Committee of Science and Technology [18JC1411200]
- Fundamental Research Funds for the Central Universities [2232020A-02]
- Innovation Program of Shanghai Municipal Education Commission [2017-01-07-0003-E00025]
- Program for Innovative Research Team in University of Ministry of Education of China [IRT_16R13]
Assembling thermoelectric modules into fabric to harvest energy from body heat could one day power multitudinous wearable electronics. However, the invalid 2D architecture of fabric limits the application in thermoelectrics. Here, we make the valid thermoelectric fabric woven out of thermoelectric fibers producing an unobtrusive working thermoelectric module. Alternately doped carbon nanotube fibers wrapped with acrylic fibers are woven into p-type thermoelectric modules. Utilizing elasticity originating from interlocked thermoelectric modules, stretchable 3D thermoelectric generators without substrate can be made to enable sufficient alignment with the heat flow direction. The textile generator shows a peak power density of 70mWm(-2) for a temperature difference of 44 K and excellent stretchability (similar to 80% strain) with no output degradation. The compatibility between body movement and sustained power supply is further displayed. The generators described here are true textiles, proving active thermoelectrics can be woven into various fabric architectures for sensing, energy harvesting, or thermal management.
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