离子聚合物金属复合材料(IPMC)是一种典型的电活性聚合物.以Nafion117离子交换膜为基体,用化学沉积方法制备利用金属铂(Pt)作为电极的IPMC材料(Pt-IPMC),并利用扫描电镜对Pt-IPMC样件的微观形貌进行观察.结果表明,Pt-IPMC的电极具有良好的沉积效果,样件的电极层厚达20μm;在3 V直流电压的驱动下,电致动位移达到900°.实验对基膜和样件含水率进行了测试,并搭建IPMC力学测试平台,对IPMC静态输出拉力进行测试.测试结果表明:在0～5.5 V直流电压范围内,样件的输出拉力与直流驱动电压近似呈线性关系,最大拉力可达到159.05 mN;当电压超过5.5 V时,输出拉力发生跃变.
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