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Abstract Superhydrophobic surfaces have broad application prospects in various fields due to their special surface wettability. However, most artificial superhydrophobic surfaces are fabricated on rigid substrates or flexible substrates with low deformability, and their performance is difficult to guarantee when a large deformation occurs, hindering further application. Here, a superhydrophobic ultra‐stretchable (SU) film is fabricated by simple template replication and low surface energy modification method using the mixture of vulcanized natural latex (VNR) and silicone emulsion as raw material. The prepared SU film exhibits excellent elasticity and wettability stability and can maintain good superhydrophobicity even after 500% tensile strain. Moreover, droplets dropped on the SU film are bounced in time without any residue, avoiding the accumulation of droplets on the film. Finally, a magnetoelectric generator composed of a SU film and an electromagnetic system are developed to realize the efficient utilization and conversion of droplet energy via droplet impacting and bouncing behavior.
Zhang et al. (Sun,) studied this question.