自愈水凝胶
材料科学
离子键合
纳米技术
灵活性(工程)
离子电导率
摩擦电效应
计算机科学
电解质
离子
电极
化学
复合材料
统计
数学
有机化学
物理化学
高分子化学
作者
Zhen Zhao,Yong-Peng Hu,Kaiyang Liu,Wei Yu,Guoxian Li,Chuizhou Meng,Shuxiang Guo
出处
期刊:Gels
[MDPI AG]
日期:2023-03-22
卷期号:9 (3): 257-257
被引量:7
摘要
Hydrogels are three-dimensional polymer networks with excellent flexibility. In recent years, ionic hydrogels have attracted extensive attention in the development of tactile sensors owing to their unique properties, such as ionic conductivity and mechanical properties. These features enable ionic hydrogel-based tactile sensors with exceptional performance in detecting human body movement and identifying external stimuli. Currently, there is a pressing demand for the development of self-powered tactile sensors that integrate ionic conductors and portable power sources into a single device for practical applications. In this paper, we introduce the basic properties of ionic hydrogels and highlight their application in self-powered sensors working in triboelectric, piezoionic, ionic diode, battery, and thermoelectric modes. We also summarize the current difficulty and prospect the future development of ionic hydrogel self-powered sensors.
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