A high-response-frequency bimodal network polyacrylate elastomer with ultrahigh power density under low electric field

• DOI: 10.1038/s41467-024-54278-y
• Publication Date: 2024-11-13T12:21:11Z
• Authors: Li-Juan Yin; Boyuan Du; Hui-Yi Hu; Wen-Zhuo Dong; Yu Zhao; Zili Zhang; Huichan Zhao; Shao-Long Zhong; Chenyi Yi; Liangti Qu; Zhi-Min Dang
• Keywords: Science; Q; 02 engineering and technology; 0210 nano-technology; Article

Dielectric elastomers, used as driver modules, require high power density to enable fast movement and efficient work of soft robots. Polyacrylate elastomers usually suffer from low under electric fields due limited response frequency. Here, we propose a bimodal network polyacrylate dielectric elastomer which breaks the intrinsic coupling relationship between mechanical properties, featuring relatively constant, Young's modulus, wide driving frequency bandwidth (~200 Hz) like silicones. Therefore, an ultrahigh (154 W kg