Present a new type of self-heating composite based on carbon nanotubes paper and investigate the feasibility in deicing (presentation video)

Hetao Chu; Zhichun Zhang; Yanju Liu; Jinsong Leng

doi:10.1117/12.2045032

16 April 2014 Present a new type of self-heating composite based on carbon nanotubes paper and investigate the feasibility in deicing (presentation video)

Hetao Chu, Zhichun Zhang, Yanju Liu, Jinsong Leng

Author Affiliations +

Proceedings Volume 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014; 90600T (2014) https://doi.org/10.1117/12.2045032
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2014, San Diego, California, United States

Abstract

In this paper, a novel self-heating composite material utilizing carbon nanotubes (CNTs) paper is designed and fabricated successfully. The carbon nanotube paper was prepared by multiple steps of CNTs dispersion and suspension filtration as shown in Fig1. a and characterized by scanning electron microscopy thermo gravimetric analysis nitrogen adsorption isotherms at 77K and so on. The surface of the as-prepared CNTs paper is smooth and very flexible. The conductivity of the CNTs paper could be regulated from 30 S/cm to 200 S/cm. The fabricating process of the self-heating is shown in Fig.1 b and the electric heating performance under different ambient temperature, power changing from 4.3W to 44.8W and wind speed ranging from 8m/s to 14m/s was discussed. In addition, the feasibility of the application in the deicing of the composite was simulated by the software of Fluent. The thermal behavior was discussed combining the experimental and simulated values, especially the temperature field distribution under different wind speed. The maximum heating rate can reach 2℃/s under different condition. The equilibrium temperature and energy consumption of the composite at different power compared with the commercial kanthal electric heating film were also investigated. The energy consumption of the self-heating material is less than the kanthal electric heating film to reach the same equilibrium temperature which may be caused by the difference of heat capacity. The experimental and simulated results indicate the electric heating performance of CNTs paper-based composite is superior to the commercial kanthal electric heating film and has feasibility in the field of deicing.

Citation Download Citation

Hetao Chu, Zhichun Zhang, Yanju Liu, and Jinsong Leng "Present a new type of self-heating composite based on carbon nanotubes paper and investigate the feasibility in deicing (presentation video)", Proc. SPIE 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014, 90600T (16 April 2014); https://doi.org/10.1117/12.2045032

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KEYWORDS

Composites

Carbon nanotubes

Video

Wind energy

Adsorption

Nitrogen

Scanning electron microscopy

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