Performance Enhancement of Aquivion-based Ionic Polymer Metal Composites for Cylindrical Actuators  

作　　者：Xiaojie Tong Min Yu Guoxiao Yin Yuwei Wu Chengbo Tian Gengying Wang 

机构地区：[1]Jiangsu Provincial Key Laboratory of Bionic Functional Materials,College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing,210016,China

出　　处：《Journal of Bionic Engineering》2025年第1期1-11,共11页仿生工程学报(英文版)

基　　金：financial support from the National Natural Science Foundation of China(Grant No.U1637101);The Research Fund of State Key Laboratory of Mechanics and Control for Aerospace Structures(1005-ZAG23011).

摘　　要：As a kind of ionic artificial muscle material,Ionic Polymer-Metal Composites(IPMCs)have the advantages of a low drive current,light weight,and significant flexibility.IPMCs are widely used in the fields of biomedicine,soft robots,etc.However,the displacement and blocking force of the traditional sheet-type Nafion-IPMC need to be improved,and it has the limitation of unidirectional actuation.In this paper,a new type of short side chain Aquivion material is used as the polymer in the IPMC.The cylindrical IPMC is prepared by extrusion technology to improve its actuation performance and realize multi-degree-of-freedom motion.In comparison to the traditional Nafion-IPMC,the ion exchange capacity,specific capacitance,and conductivity of Aquivion-IPMC are improved by 28%,27%,and 32%,respectively,and the displacement and blocking force are improved by 57%and 25%,respectively.The cylindrical actuators can be deflected in eight directions.This indicates that Aquivion,as a polymer membrane for IPMC,holds significant application potential.By designing a cylindrical IPMC electrode distribution,the multi-degree-of-freedom deflection of IPMC can be realized.

关 键 词：Ionic polymer-metal composite Equivalent weight Aquivion NAFION Actuation performance 

分 类 号：TB383[一般工业技术—材料科学与工程]