Textile Triboelectric Nanogenerator: Future Smart Wearable Energy‐Integration Technology

Abstract Triboelectric nanogenerator (TENG) technology based on the coupling of triboelectric effect and electrostatic induction has shown great potential in the energy‐integration field. In recent years, the emerging of textile triboelectric nanogenerators (t‐TENGs) has enabled the rapid development of wearable energy‐integration technologies. The efficient mechanical energy harvesting and self‐powered sensing capabilities of TENGs and the advantages of textiles can be combined to create t‐TENGs for the construction of smart fabrics. Herein, a comprehensive review of t‐TENGs is presented. This review begins from the working mechanism of conventional TENGs, after which the construction of triboelectric layers with fibers, yarns, and fabrics is discussed. Then, the different working modes of t‐TENGs derived from TENGs, the critical features of t‐TENGs and power management strategies are discussed. Finally, this review ends with a description of the recent progress in typical wearable applications based on t‐TENGs. The light weight, low cost, flexibility, stretchability, washability, diverse material options, and excellent electrical performance of t‐TENGs will make this technology a great choice for smart energy‐integrated wearable devices in the future.