Examination of factors to improve the performance of dielectric elastomer transducers and their applications

IF 3.7 3区材料科学 Q1 INSTRUMENTS & INSTRUMENTATION Smart Materials and Structures Pub Date : 2024-05-14 DOI:10.1088/1361-665x/ad4759

Seiki Chiba, Mikio Waki, Makoto Takeshita and Kazuhiro Ohyama

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Abstract

Actuators, sensors, and generators using dielectric elastomers (DEs) are inexpensive and light, and can be easily to structured, multilayer-able, and very efficient. They are ideal for an eco-energy society. In the latest technology, an only 0.15 g DE can lift an 8 kg weight by 1 mm or more in just 88 ms. The near future, it can be applied to efficient drive systems of humanoid robots, systems that assist in driving the motors of electric vehicles, and various industrial machinery. It is highly likely that very thin and miniaturized DE sensors would also support the driving of motors. In addition, DE generators, which can be applied to various external forces, have attracted significant attention as a renewable energy source. In this paper, we discuss the R&D status of DEs using mainly commercially available elastomer materials, give examples of issues, and discuss and their potential applications, and usefulness. The excellent performance of the DEs mentioned above is largely due to their carbon-based electrodes. In this study, various carbon materials (including carbon grease, carbon black, MWCNT, and SWCNT) and their DE performances were compared.

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研究提高介电弹性体传感器性能的因素及其应用

使用介电弹性体（DE）的执行器、传感器和发电机价格低廉、重量轻、易于结构化、可多层叠加且非常高效。它们是生态能源社会的理想选择。在最新技术中，仅 0.15 克的 DE 就能在 88 毫秒内将 8 千克重物提升 1 毫米或更多。在不久的将来，它可以应用于仿人机器人的高效驱动系统、电动汽车电机的辅助驱动系统以及各种工业机械。超薄微型 DE 传感器也很有可能支持电机驱动。此外，可应用于各种外力的定向能发电机作为一种可再生能源也备受关注。在本文中，我们讨论了主要使用市售弹性体材料的 DE 的研发状况，举例说明了相关问题，并讨论了其潜在应用和实用性。上述 DE 的优异性能主要归功于其碳基电极。本研究比较了各种碳材料（包括碳脂、碳黑、MWCNT 和 SWCNT）及其 DE 性能。

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来源期刊

Smart Materials and Structures 工程技术-材料科学：综合

CiteScore

7.50

自引率

12.20%

发文量

317

审稿时长

3 months

期刊介绍： Smart Materials and Structures (SMS) is a multi-disciplinary engineering journal that explores the creation and utilization of novel forms of transduction. It is a leading journal in the area of smart materials and structures, publishing the most important results from different regions of the world, largely from Asia, Europe and North America. The results may be as disparate as the development of new materials and active composite systems, derived using theoretical predictions to complex structural systems, which generate new capabilities by incorporating enabling new smart material transducers. The theoretical predictions are usually accompanied with experimental verification, characterizing the performance of new structures and devices. These systems are examined from the nanoscale to the macroscopic. SMS has a Board of Associate Editors who are specialists in a multitude of areas, ensuring that reviews are fast, fair and performed by experts in all sub-disciplines of smart materials, systems and structures. A smart material is defined as any material that is capable of being controlled such that its response and properties change under a stimulus. A smart structure or system is capable of reacting to stimuli or the environment in a prescribed manner. SMS is committed to understanding, expanding and dissemination of knowledge in this subject matter.