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Thermal-Sensitive Artificial Ionic Skin with Environmental Stability and Self-Healing Property

文献类型： 外文期刊

作者： Wu, Lidong 1 ; Qin, Haiyang 1 ; Li, Yuanxin 1 ; Zhao, Jinxue 1 ; Sun, Mengmeng 1 ; Li, Peiyi 1 ; Zhai, Xuejing 1 ; Wen, Yahui 1 ; Wang, Xinghai 1 ; Lin, Chengte 4 ; Li, Yuan 5 ;

作者机构： 1.Chinese Acad Fishery Sci, Fisheries Engn Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Beijing 100141, Peoples R China

2.Shanghai Ocean Univ, Coll Food Sci & Technol, Shanghai 201306, Peoples R China

3.Dalian Ocean Univ, Coll Food Sci & Engn, Dalian 116023, Peoples R China

4.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China

5.Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China

6.Tsinghua Univ, Dept Chem, Lab Flexible Elect Technol, Beijing 100084, Peoples R China

关键词： thermal-sensitive artificialionic skin; environmentalstability; fast response; high thermal sensitivity; self-healing

期刊名称：ACS APPLIED MATERIALS & INTERFACES （ 影响因子：8.2； 五年影响因子：8.5 ）

ISSN： 1944-8244

年卷期： 2025 年 17 卷 6 期

页码：

收录情况： SCI

摘要： Wearable temperature-sensitive electronic skin enables robots to rapidly detect environmental changes and respond intelligently, thereby reducing temperature-related mechanical failures. Additionally, this temperature-sensitive skin can measure and record the temperature of external objects, broadening its potential applications in the medical field. In this study, we designed a thermally sensitive artificial ionic skin using ionic liquids (ILs) as solvents and carbon nanotubes (CNTs) as thermally conductive fillers. The incorporation of ILs into the polymer network enhances thermal stability, while the CNTs establish dual thermal conduction pathways (CNTs-CNTs and CNTs-polymer chain segments), leading to rapid thermal response times of only 16 s. The initiation of IL dissociation at elevated temperatures boosts carrier density, resulting in a substantial improvement in thermal sensitivity (5%/degrees C). Furthermore, the skin displays remarkable self-healing properties (90%), thereby extending the lifespan of the skin in practical applications. This kind of skin can stably sense the wearer's body temperature and environmental temperature and provide an ideal temperature-sensitive and long-term stable new functional material for the development of human skin such as robots.

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