Graphene-Based Vitrimeric Ink with Self-Healing Properties Enables Simple E-Textile Triboelectric Coating Development

被引：0
作者：
Sharma, Simran [1 ]
Mondal, Titash [1 ]
机构：
[1] Indian Inst Technol, Rubber Technol Ctr, Kharagpur 721302, India
来源：
SMALL | 2025年
关键词：
dielectric elastomers; E-textiles; self-healing; self-powered; triboelectric coating; triboelectric sensors; vitrimers; CITRIC-ACID; ENERGY-CONVERSION; CARBON; OXIDE; STRATEGY; BLACK;
D O I：
10.1002/smll.202500481
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Advances in research in electronic textiles (E-textiles) that primarily cater to wearable sensing technology have found amalgamation with self-powered technology, especially with triboelectric nanogenerators (TENGs). However, developing E-textiles with triboelectric properties involves a multi-step process and a complex device structure, which is unsuitable for actual wearables. Also, the cellulose-based fabrics with the highest wearability are unsuitable for TENG fabrication, limiting the usage to synthetic fabrics. Apart from wearability, self-healing behavior is another significant property recently being looked upon for wearable sensors, providing long-term functionality. Herein, a simple yet effective approach is proposed to develop dielectrically optimized coatings for developing cellulose fabric-based self-powered sensors by leveraging elastomers with tunable dielectric and other properties, otherwise catering to the domain of electronic skin separately. The record high output performance with a power density of 4.69 W m-2 accomplished using a single fabric layer with a thickness of 0.56 mm supports the amalgamation of dielectrically optimized elastomeric coatings with textiles for next-generation self-powered wearables. Also, the strategic utilization of dynamic covalent chemistry imparted self-healing properties to the coating. This report provides a single-step dip coating method for developing a self-powered and self-healable next-generation E-textile.
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页数：13
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