Photothermal Energy‐Storage Capsule with Sustainable Evaporation for Efficient Anti‐/Deicing

Author:

Li Wenzong1,Lu Chenguang1,Wang Xu1,Ma Guojia2,Feng Shile1,Liu Yahua1ORCID

Affiliation:

1. Key Laboratory for Precision and Non‐Traditional Machining Technology of Ministry of Education Dalian University of Technology Dalian 116024 P. R. China

2. Science and Technology on Power Beam Processes Laboratory China Aeronautical Manufacturing Technology Beijing 100024 P. R. China

Abstract

The inhibition of ice accumulation on surfaces is of great importance in various practical applications and extensive efforts have been made to address this daunting challenge. Among many others, the promising photothermal anti‐icing surfaces become ineffective under a nonillumination condition. Herein, a photothermal energy‐storage capsule (PESC) by leveraging both the solar‐to‐thermal conversion and energy‐storage capability is proposed for efficient anti‐/deicing. Under illumination, the surface temperature can rise to 55 °C, which endows fast droplet evaporation to prevent the subsequent bulk freezing, and the accumulated ice and frost in a low temperature quickly melts and fully evaporates. Importantly, sustainable droplet evaporation can be achieved without illumination which is attributed to the energy storage property of the PESC. This research provides a satisfactory paradigm for surface design in all‐weather anti‐/deicing applications.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Publisher

Wiley

Subject

General Energy

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