Current research on conducting polymer composite actuators has been mainly focused on achieving increased linear actuation with improved electrical, physical and chemical properties. Polyethylene oxide (PEO) has been shown to enhance both mechanical and electrical properties of conducting polymers at certain concentrations. However, as some of these effects peak off, the optimal concentration is difficult to determine. In this study, polypyrrole (PPy)-PEO composite films, doped with dodecylbenzene sulfonate, were electropolymerized from solutions with different concentrations of PEO. The obtained films were studied by atomic force microscopy (AFM), scanning electron microscopy (SEM), Raman, FTIR and energy dispersive X-ray spectroscopy (EDX). Electrochemical impedance spectroscopy (EIS) and modified scanning ionic conductance microscopy (mSICM) allowed the determination of electronic and ionic conductivities of the samples. Their electro-chemo-mechanical deformations (ECMD) were investigated under cyclic voltammetry. In aqueous electrolyte, the samples showed expansion/contraction during reduction/oxidation, respectively (cation-driven), while opposite behaviour - expansion/contraction during oxidation/reduction (anion-driven) behaviour was observed in propylene carbonate solutions. These films obtained from solutions with a PEO content of 5% showed the highest deformations (strain and stress). They also presented the highest ionic and electronic conductivities and redox charge density. The ECMD deformation per unit of redox charge was much higher in PC solutions than in aqueous solutions: more PC molecules are exchanged for osmotic balance per unit of redox charge.

导电聚合物复合致动器的当前研究主要集中在实现具有改善的电，物理和化学性能的增加的线性致动上。聚环氧乙烷（PEO）在某些浓度下可增强导电聚合物的机械和电气性能。但是，由于其中一些效应达到顶峰，因此难以确定最佳浓度。在这项研究中，掺杂了十二烷基苯磺酸盐的聚吡咯（PPy）-PEO复合薄膜是从具有不同PEO浓度的溶液中进行电聚合的。通过原子力显微镜（AFM），扫描电子显微镜（SEM），拉曼光谱，FTIR和能量色散X射线光谱法（EDX）研究获得的膜。电化学阻抗谱（EIS）和改进的扫描离子电导显微镜（mSICM）可以测定样品的电子和离子电导率。在循环伏安法下研究了它们的电化学机械变形（ECMD）。在水性电解质中，样品分别在还原/氧化（阳离子驱动）过程中显示膨胀/收缩，而相反的行为-在碳酸亚丙酯溶液中观察到在氧化/还原（阴离子驱动）行为期间的膨胀/收缩。从PEO含量为5％的溶液中获得的这些薄膜显示出最高的变形（应变和应力）。他们还展示了最高的离子和电子电导率以及氧化还原电荷密度。