Abstract
Conventional textiles present high flammability and rapid-fire propagation, posing significant fire hazards in daily life. In this study, nylon and cotton fabrics were endowed with flame retardancy and hydrophobicity, and a low-cost and eco-friendly flame-retardant and hydrophobic fabric-based triboelectric nanogenerator (FHF-TENG) was fabricated through integrated and modular design. This TENG exhibits excellent flame-retardant properties (self-extinguishment and melt-dripping resistance) and high energy harvesting efficiency (with a maximum output power of 173 mW/m2). Furthermore, the FHF-TENG was successfully employed in a fire-alarm system as a self-powered sensor, providing fire-warning signals for evacuees and fire rescue operations. This work advances the development of fire rescue field and showcases innovative application of multifunctional smart textiles in energy harvesting and self-powered sensing.
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