Thermoelectric fibers from well-dispersed carbon nanotube/poly(vinyliedene fluoride) pastes for fiber-based thermoelectric generators

Title
Thermoelectric fibers from well-dispersed carbon nanotube/poly(vinyliedene fluoride) pastes for fiber-based thermoelectric generators
Author
장광석
Keywords
ELECTRICAL-CONDUCTIVITY; HIGH-PERFORMANCE; POWER FACTORS; HYBRID FILMS; COMPOSITES; NANOTUBES; POLY(3,4-ETHYLENEDIOXYTHIOPHENE); THERMOPOWER; MODULES
Issue Date
2018-11
Publisher
ROYAL SOC CHEMISTRY
Citation
NANOSCALE, v. 10, No. 42, Page. 19766-19773
Abstract
High-performance thermoelectric composite fibers were prepared via simple wet-spinning of single-walled carbon nanotube (SWCNT)/poly(vinylidene fluoride) (PVDF) pastes using a common solvent/coagulation system. By improving the content and dispersion state of SWCNTs in the composite fibers, the thermoelectric performance could be effectively enhanced. With n-type doping of SWCNTs using polyethylenimine, high-performance n-type SWCNT/PVDF composite fibers could be prepared. The power factors of the p- and n-type SWCNT/PVDF composite fibers with the SWCNT content of 50 wt% were 378 +/- 56 and 289 +/- 98 W mu m(-1) K-2, respectively. The electric power generation capability of an organic thermoelectric generator with the p- and n-type composite fibers was confirmed.
URI
https://pubs.rsc.org/en/content/articlehtml/2018/nr/c8nr06415fhttp://repository.hanyang.ac.kr/handle/20.500.11754/105779
ISSN
2040-3364; 2040-3372
DOI
10.1039/c8nr06415f
Appears in Collections:
COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY[E](과학기술융합대학) > CHEMICAL AND MOLECULAR ENGINEERING(화학분자공학과) > Articles
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