PDF(Pubmed)
Abstract：
Traffic accidents caused by road icing are a serious global problem, and conventional de-icing methods like spraying chemicals have several limitations, including excessive manpower management, road damage, and environmental pollution. In this study, the carbon nanotubes reinforced de-icing coating for the road system with a self-heating function was developed as part of the development of a new system to prevent accidents caused by road icing. The electrical characteristics of the fabricated coating were analyzed, and the carbon nanotube coating heating performance experiment was conducted to measure the temperature increments by applying a voltage to the coating at a sub-zero temperature using an environmental chamber. In addition, the coating was installed on the road pavement and the applicability was investigated through a heating test in winter. As a result of the experiment, the coating made with the higher carbon nanotube concentration presented higher heating owing to its higher electrical conductivity. In addition, the coating showed sufficient heating performance, although the maximum temperature by Joule heating decreased for the entire coating at sub-zero temperatures. Finally, field tests demonstrated the potential of electrically conductive coatings for de-icing applications.
摘要：
道路结冰引起的交通事故是一个严重的全球性问题，和传统的除冰方法，如喷洒化学品有几个限制，包括过多的人力管理，道路损坏,和环境污染。在这项研究中,作为新系统开发的一部分，开发了具有自加热功能的用于道路系统的碳纳米管增强除冰涂层，以防止道路结冰引起的事故。对制备的涂层的电学特性进行了分析,并且进行碳纳米管涂层加热性能实验以通过使用环境室在零度以下温度向涂层施加电压来测量温度增量。此外,将该涂层安装在道路路面上，并通过冬季加热试验研究其适用性。作为实验的结果,用较高的碳纳米管浓度制备的涂层由于其较高的导电性而呈现较高的加热。此外,涂层显示出足够的加热性能，尽管在零度以下的温度下，焦耳加热的最高温度降低了整个涂层。最后,现场测试证明了导电涂层用于除冰应用的潜力。
