PTC MWCNT/DI-water switchable composites

Author:

Sun Pengcheng12345,Huang Yun67895,Yang Jun67895,Cheng Guoan12345,Zheng Ruiting12345

Affiliation:

1. Key Laboratory of Radiation Beam Technology and Materials Modification of Ministry of Education

2. College of Nuclear Science and Technology

3. Beijing Normal University

4. Beijing 100875

5. P. R. China

6. State Key Laboratory of Multi-phase Complex Systems

7. Institute of Process Engineering

8. Chinese Academy of Sciences

9. Beijing 100190

Abstract

In this paper, we study the electrical and thermal conductivities of multi-walled carbon nanotube (MWCNT)/DI-water composites via first order phase transition. Around 0 °C, the contrast ratio of electrical and thermal conductivities reaches 1250 and 3.58 times, with PTC and NTC effects respectively.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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