Self-Deicing Electrolyte Hydrogel Surfaces with Pa-level Ice Adhesion and Durable Antifreezing/Antifrost Performance

Frost (temperature) Ice formation
DOI: 10.1021/acsami.0c06912 Publication Date: 2020-07-08T14:51:03Z
ABSTRACT
Despite the remarkable advances in mitigating ice formation and accretion, however, no engineered anti-icing surfaces today can durably prevent frost formation, droplet freezing, accretion an economical ecofriendly way. Herein, sustainable low-cost electrolyte hydrogel (EH) are developed by infusing salted water into a matrix for avoiding icing. The EH both ice/frost extremely long time reduce adhesion strength to ultralow value (Pa-level) at tunable temperature window down -48.4 °C. Furthermore, self-remove from tilted surface within 10 s -10 °C self-gravity. As demonstrated molecular dynamic simulations experiments, these extreme performances attributed diffusion of ions interface between ice. properties be maintained replenishing real-time with available ion sources, indicating promising applications offshore platforms ships.
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