Issue 34, 2022

A sandwich-structured intelligent anti-icing/de-icing film with ice-oriented power self-regulating performance

Abstract

Ice accretion on fast-moving complex surfaces like aircraft wings and wind turbine blades is generally uneven and varies with the various flow fields. The developed active anti-icing and de-icing techniques are generally not self-adaptive to uneven and variable ice accretion, leading to mismatching of energy output and ice distribution and thus the waste of energy. Highly efficient anti-icing/de-icing techniques with ice-oriented power self-regulating performance are urgently needed. Herein, a sandwich-structured intelligent electrothermal anti-icing/de-icing composite film with ice-oriented heating power output ability is proposed for the first time. Based on a positive temperature coefficient (PTC) effect and a simple sandwich structure, this smart film can spontaneously detect the cold load distribution on it and automatically maintain high heating power at ice contact regions, while lower the power output at non-contact regions. This smart film can even depict the real-time ice location and area aided by patterned electrodes. The results can help to provide insights into the design of safe, intelligent and highly efficient anti-icing/de-icing films and facilitate their large-scale application.

Graphical abstract: A sandwich-structured intelligent anti-icing/de-icing film with ice-oriented power self-regulating performance

Supplementary files

Article information

Article type
Paper
Submitted
26 Apr 2022
Accepted
05 Aug 2022
First published
08 Aug 2022

J. Mater. Chem. C, 2022,10, 12213-12220

A sandwich-structured intelligent anti-icing/de-icing film with ice-oriented power self-regulating performance

X. Liu, Y. Zhu, Z. Wang, Z. Ma, Z. Zhao, D. Zhang and H. Chen, J. Mater. Chem. C, 2022, 10, 12213 DOI: 10.1039/D2TC01717B

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