可伸缩电子设备
材料科学
电极
聚二甲基硅氧烷
制作
纳米技术
数码产品
共形矩阵
软机器人
电容感应
柔性电子器件
3D打印
电阻式触摸屏
可穿戴技术
光电子学
可穿戴计算机
复合材料
计算机科学
电气工程
机器人
医学
化学
替代医学
物理化学
病理
人工智能
计算机视觉
嵌入式系统
工程类
操作系统
作者
Seonghyun Kim,Dong‐Woo Yoo,Jongkyeong Lim,Joonwon Kim
标识
DOI:10.1002/admt.202301589
摘要
Abstract Stretchable electrodes have emerged as a promising technology for soft robotics and wearable devices. One fabrication method that guarantees sustained elasticity and high conductivity is directly filling or printing an elastic substrate with liquid metal (LM). However, it is difficult to create patterns with complex or 3D shapes, such as hole patterning, integration electrodes, and flexible breadboards. Therefore, a simple and effective patterning method for fabricating 3D stretchable electronics using LM electrodes is proposed in this study. The LM‐infused sponge electrode is fabricated by loading LM onto a polydimethylsiloxane (PDMS) sponge, which is fabricated using the salt‐leaching method in PDMS patterned by replica molding. The LM‐infused sponge electrode exhibits a minimal change in terms of resistivity under strain, bending, and twisting (∆R < 0.01 Ω cm −1 ). This enables various devices to be driven by the production of flexible breadboards, which makes it possible to integrate the proposed model into commercial electronics. Finally, a stretchable tactile sensor (self‐capacitive and self‐powered) is fabricated by integrating stretchable electrodes using only the LM‐infused sponges. In the future, stretchable electrodes fabricated in this manner can be used in various applications, such as soft robots and wearable devices.
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