Liquid metal-based soft, hermetic, and wireless-communicable seals for stretchable systems

IF 45.8 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2023-02-02 DOI:10.1126/science.ade7341

Qingchen Shen, Modi Jiang, Ruitong Wang, Kexian Song, Man Hou Vong, Woojin Jung, Febby Krisnadi, Ruyu Kan, Feiyu Zheng, Benwei Fu, Peng Tao, Chengyi Song, Guoming Weng, Bo Peng, Jun Wang, Wen Shang, Michael D. Dickey, Tao Deng

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引用次数: 19

Abstract

Soft materials tend to be highly permeable to gases, making it difficult to create stretchable hermetic seals. With the integration of spacers, we demonstrate the use of liquid metals, which show both metallic and fluidic properties, as stretchable hermetic seals. Such soft seals are used in both a stretchable battery and a stretchable heat transfer system that involve volatile fluids, including water and organic fluids. The capacity retention of the battery was ~72.5% after 500 cycles, and the sealed heat transfer system showed an increased thermal conductivity of approximately 309 watts per meter-kelvin while strained and heated. Furthermore, with the incorporation of a signal transmission window, we demonstrated wireless communication through such seals. This work provides a route to create stretchable yet hermetic packaging design solutions for soft devices.

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用于可拉伸系统的液态金属基软密封和无线通信密封件

软质材料往往具有很强的气体渗透性，因此很难制造出可拉伸的密封件。通过集成垫片，我们展示了液态金属作为可拉伸密封件的用途，这种材料同时具有金属和流体特性。这种软密封件可用于涉及挥发性流体（包括水和有机流体）的可拉伸电池和可拉伸传热系统。经过 500 次循环后，电池的容量保持率约为 72.5%，而密封传热系统在拉伸和加热时的热导率提高了约 309 瓦特/米开尔文。此外，在加入信号传输窗口后，我们还展示了通过这种密封件进行无线通信的效果。这项工作为软设备提供了一种可拉伸且密封的包装设计方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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