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Manufacture and characterization of ionic polymer transducers employing non-precious metal electrodes

机译：使用非贵金属电极的离子聚合物换能器的制造和表征

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A co-reduction process is developed for plating ionic polymer materials with precious and non-precious metal electrodes. The purpose is to develop a process that reduces the use of expensive precious metals such as platinum and gold in the development of ionic polymer transducers. Previous results obtained by Bennett and Leo (2001 12th Int. Conf on Adaptive Structures and Technologies pp 208-19) have demonstrated that oxidation is the key issue associated with the use of non-precious metal electrodes. The present work overcomes this problem through the use of a co-reduction process in which an alloy of platinum and copper is deposited in an impregnation/reduction process. A thin (similar to50 nm) layer of gold is then deposited to increase the surface conductivity of the electrode. Actuators developed using this process are tested for longevity for approximately 250 000 cycles. The results demonstrate the stability of the electrode, although multiple tests reveal that variations in the process produce variations in the electrode stability. The transducers made in this study are also quantified in terms of their electromechanical coupling. Results demonstrate that their performance is comparable to those of ionic polymer materials made using other methods and to other types of smart material.
机译：开发了一种共还原工艺，用于使用贵金属和非贵金属电极电镀离子聚合物材料。目的是开发一种在离子聚合物换能器的开发中减少昂贵的贵金属（如铂和金）的使用的方法。 Bennett和Leo（2001年第12届国际适应结构与技术会议208 -19）获得的先前结果表明，氧化是与使用非贵金属电极相关的关键问题。本发明通过使用共还原工艺克服了这个问题，其中在浸渍/还原工艺中沉积了铂和铜的合金。然后沉积一薄层金（类似于50 nm）以增加电极的表面电导率。使用该工艺开发的执行器经过约250 000次循环的寿命测试。该结果证明了电极的稳定性，尽管多项测试表明该过程中的变化会导致电极稳定性的变化。这项研究中制造的换能器还根据其机电耦合进行了量化。结果表明，它们的性能可与使用其他方法制造的离子聚合物材料和其他类型的智能材料相媲美。

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