Stretchable pumps for soft machines

Vito Cacucciolo, Jun Shintake, Yu Kuwajima, Shingo Maeda, Dario Floreano, Herbert Shea

研究成果: Article

16 引用 (Scopus)


Machines made of soft materials bridge life sciences and engineering1. Advances in soft materials have led to skin-like sensors and muscle-like actuators for soft robots and wearable devices1–3. Flexible or stretchable counterparts of most key mechatronic components have been developed4,5, principally using fluidically driven systems6–8; other reported mechanisms include electrostatic9–12, stimuli-responsive gels13,14 and thermally responsive materials such as liquid metals15–17 and shape-memory polymers18. Despite the widespread use of fluidic actuation, there have been few soft counterparts of pumps or compressors, limiting the portability and autonomy of soft machines4,8. Here we describe a class of soft-matter bidirectional pumps based on charge-injection electrohydrodynamics19. These solid-state pumps are flexible, stretchable, modular, scalable, quiet and rapid. By integrating the pump into a glove, we demonstrate wearable active thermal management. Embedding the pump in an inflatable structure produces a self-contained fluidic ‘muscle’. The stretchable pumps have potential uses in wearable laboratory-on-a-chip and microfluidic sensors, thermally active clothing and autonomous soft robots.

出版物ステータスPublished - 2019 8 22

ASJC Scopus subject areas

  • General

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  • これを引用

    Cacucciolo, V., Shintake, J., Kuwajima, Y., Maeda, S., Floreano, D., & Shea, H. (2019). Stretchable pumps for soft machines. Nature, 572(7770), 516-519.