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Positive temperature coefficient thermistors based on carbon nanotube/polymer composites
Y. Zeng; G. X. Lu; H. Wang; J. H. Du; Z. Ying; C. Liu
2014
Source PublicationScientific Reports
ISSN2045-2322
Volume4
AbstractIn order to explore availability of carbon nanotube (CNT)-based positive temperature coefficient (PTC) thermistors in practical application, we prepared carbon nanotube (CNT) filled high density polyethylene (HDPE) composites by using conventional melt-mixing methods, and investigated their PTC effects in details. The CNT-based thermistors exhibit much larger hold current and higher hold voltage, increasing by 129% in comparison with the commercial carbon black (CB) filled HDPE thermistors. Such high current-bearing and voltage-bearing capacity for the CNT/HDPE thermistors is mainly attributed to high thermal conductivity and heat dissipation of entangled CNT networks. Moreover, the CNT/HDPE thermistors exhibit rapid electrical response to applied voltages, comparable to commercial CB-based thermistors. In light of their high current-bearing capacity and quick response, the CNT-based thermistors have great potential to be used as high-performance thermistors in practical application, especially in some critical circumstances of high temperature, large applied currents, and high applied voltages.
description.department[zeng, you ; wang, han ; du, jinhong ; ying, zhe ; liu, chang] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [lu, guixia] shandong univ, sch mat sci & engn, jinan 250061, shandong, peoples r china. [lu, guixia ; wang, han] shenyang jianzhu univ, sch mat sci & engn, shenyang 110168, peoples r china. ; zeng, y (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; yzeng@imr.ac.cn
KeywordDensity Polyethylene Composites Resistivity Behavior Nanocomposites Nanotubes Black Percolation
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73486
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. Zeng,G. X. Lu,H. Wang,et al. Positive temperature coefficient thermistors based on carbon nanotube/polymer composites[J]. Scientific Reports,2014,4.
APA Y. Zeng,G. X. Lu,H. Wang,J. H. Du,Z. Ying,&C. Liu.(2014).Positive temperature coefficient thermistors based on carbon nanotube/polymer composites.Scientific Reports,4.
MLA Y. Zeng,et al."Positive temperature coefficient thermistors based on carbon nanotube/polymer composites".Scientific Reports 4(2014).
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