期刊
JOURNAL OF POLYMER RESEARCH
卷 29, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1007/s10965-022-03306-w
关键词
Conjugated polymer; Composite mixture; Hopping barrier; Seebeck coefficient; Thermoelectric energy
资金
- Department of Science & Technology (DST), Government of India [SR/FST/PSI-196/2014]
The thermoelectric performance of a PANI/CuBO2 composite prepared by a solid-state synthesis method has been studied. The composite shows improved Seebeck coefficient (S), electrical conductivity (sigma), and thermoelectric power factor (P = S-2 sigma), indicating its potential as an effective material for thermoelectric energy harvesting from waste heat.
A Composite of PANI with CuBO2 has been prepared by a solid-state synthesis method and its thermoelectric performance has been studied. The PANI/CuBO2 composite mixture shows p-type conduction with exceptionally improved Seebeck coefficient (S) and electrical conductivity (sigma) as well as thermoelectric power factor (P = S-2 sigma). The outstanding enhancement in TE properties of the composite mixture is attributed to the reduction of pi-pi conjugated defects in the polymer chain matrix. The highest values of electrical conductivity and Seebeck coefficient for the prepared composite mixture reach 0.34 S/cm and 0.43 mV/degrees C, respectively, and the maximum TE power factor as recorded is 6.28 mu W/mK(2), which is about 107-fold larger in magnitude than that of pure PANI. The power factor as achieved at a comparatively lower temperature difference below 100 degrees C indicates that these powder mixtures of PANI/CuBO2 can be an effective material for better performance in thermoelectric energy harvesting from waste heat.
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