Integrated fabrication process with multiple optimized factors for high power density of IPMC actuator

IF 4.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Smart and Nano Materials Pub Date : 2022-10-02 DOI:10.1080/19475411.2022.2133187

Zicai Zhu, Changsheng Bian, Wanfa Bai, Qiao Hu, S. H. A. Chen

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引用次数: 0

Abstract

ABSTRACT Ionic polymer-metal composites (IPMCs) are typical smart materials that are commonly used in bionic applications, including soft robots, bionic flapping aircraft, and bionic fish. However, their low output force seriously limits device performance. Stacking of multiple IPMC actuators to improve the overall performance of soft actuators is a strategy that is used in practical applications. Under the energy dissipation condition in the IPMC stacking structure, if each single IPMC in the structure has high power density, the structure will produce excellent performance with high efficiency that can greatly promote wider application of IPMC actuators. To meet this requirement, a method for fabrication process integration with multiple optimized factors was used to obtain IPMC materials in this paper. Carbon nanotube (CNT) doping, isopropyl alcohol-assisted plating, and hot pressing with a mesoscopic structural mold were selected as typical optimization methods for process integration and were initially investigated separately to determine the optimal process parameters. By combining the best process parameters in an integrated process, the IPMC treated by isopropyl alcohol-assisted plating and CNT doping process (No. AC7) showed excellent actuation performance and high work density (~9.71/12.36 gf, ~14.93/31.89 kJ/m3 under 3/4 VDC). The enhanced performance meets the requirements for practical bionic applications. Graphical abstract

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多因素优化的IPMC执行器高功率密度集成制造工艺

离子聚合物-金属复合材料(IPMCs)是一种典型的智能材料，通常用于仿生应用，包括软机器人、仿生扑翼飞机和仿生鱼。然而，它们的低输出力严重限制了器件的性能。多个IPMC执行器的叠加以提高软执行器的整体性能是一种实际应用中的策略。在IPMC堆叠结构中的能量耗散条件下，如果结构中的每个单个IPMC具有较高的功率密度，则该结构将以高效率产生优异的性能，可以极大地促进IPMC执行器的更广泛应用。为了满足这一要求，本文采用多因素优化的制造工艺集成方法获得了IPMC材料。选择碳纳米管(CNT)掺杂、异丙醇辅助镀和介观结构模具热压作为典型的工艺集成优化方法，分别进行了初步研究，以确定最佳工艺参数。通过综合最佳工艺参数，采用异丙醇辅助镀工艺和碳纳米管掺杂工艺处理IPMC。AC7)具有优异的驱动性能和较高的工作密度(3/4 VDC下约9.71/12.36 gf，约14.93/31.89 kJ/m3)。增强后的性能满足了实际仿生应用的要求。图形抽象

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来源期刊

International Journal of Smart and Nano Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.30

自引率

5.10%

发文量

审稿时长

11 weeks

期刊介绍： The central aim of International Journal of Smart and Nano Materials is to publish original results, critical reviews, technical discussion, and book reviews related to this compelling research field: smart and nano materials, and their applications. The papers published in this journal will provide cutting edge information and instructive research guidance, encouraging more scientists to make their contribution to this dynamic research field.