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Ionic polymer metal composite (IPMC) is an intelligent material that can bend rapidly to produce large deformation and large strain when subjected to external electrical stimulation. And it is widely used in the actuation of underwater bionic robots. In this paper, two sets of IPMCs were fabricated by chemical reduction on the surface of commercial Nafion films. An experimental platform was built, the maximum displacement of IPMCs was 13.07 mm and the maximum output force was 12.14 mN, and it is found that IPMCs with high driving performance could generate displacements of 3.47 mm∼0.26 mm under high frequency voltage. The piezoelectric bicrystal model of IPMC was constructed and validated by Pearson correlation, proving that the model can effectively predict the experimental values and providing theoretical support for the subsequent research on the tail fin drive of IPMC miniature robot fish.

Deformation Performance of Pt-IPMC Based on Experiment and Simulation Research