title: Positive temperature coefficient thermistors based on carbon nanotube/polymer composites.
abstract: In 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.
authors.affiliation: Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, People's Republic of China.
authors.forename: You
authors.initials: Y
authors.lastname: Zeng
authors.affiliation: 1] School of Materials Science and Engineering, Shandong University, Jinan, Shandong 250061, People's Republic of China [2] School of Materials Science and Engineering, Shenyang Jianzhu University, 9 Hunan East Road, Shenyang 110168, People's Republic of China.
authors.forename: Guixia
authors.initials: G
authors.lastname: Lu
authors.affiliation: 1] Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, People's Republic of China [2] School of Materials Science and Engineering, Shenyang Jianzhu University, 9 Hunan East Road, Shenyang 110168, People's Republic of China.
authors.forename: Han
authors.initials: H
authors.lastname: Wang
authors.affiliation: Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, People's Republic of China.
authors.forename: Jinhong
authors.initials: J
authors.lastname: Du
authors.affiliation: Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, People's Republic of China.
authors.forename: Zhe
authors.initials: Z
authors.lastname: Ying
authors.affiliation: Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, People's Republic of China.
authors.forename: Chang
authors.initials: C
authors.lastname: Liu