期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 13, 页码 7206-7213出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b00292
关键词
superhydrophobic; self-propelled jumping aluminum; anti-icing antifrosting
资金
- National Research Foundation of Korea (NRF) - Korea government (MSIP) [2011-0030075]
- BioNano Health-Guard Research Center - Ministry of Science, ICT & Future Planning (MSIP) of Korea as Global Frontier Project [H-GUARD 2014M3A6B2060526]
- National Research Foundation of Korea [2011-0030075, 2012M2A8A2025635, 2013M3A6B2078950] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Frost formation can cause operational difficulty and efficiency loss for many facilities such as aircraft, wind turbines, and outdoor heat exchangers. Self-propelled jumping by condensate droplets on superhydrophobic surfaces delays frost formation, so many attempts have been made to exploit this phenomenon. However, practical application of this phenomenon is currently unfeasible because many processes to fabricate the superhydrophobic surfaces are inefficient and because self-propelled jumping is difficult to be achieved in a humid and low-temperature environment because superhydrophobicity is degraded in these conditions. Here, we achieved significantly effective anti-icing superhydrophobic aluminum. Its extremely low adhesive properties allow self-propelled jumping under highly supersaturated conditions of high humidity or low surface temperature. As a result, this surface helps retard frost formation at that condition. The aluminum was made superhydrophobic by a simple and cost-effective process that is adaptable to any shape. Therefore, it has promise for use in practical and industrial applications.
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