Dual-mode triboelectric field polarization induced sweat evaporation for personal moisture management cotton textiles

Cotton fiber, as a soft and skin-friendly natural fiber, is gaining increasing attention, but how to realize the ideal cotton fabric for sweat rapid evaporation remains challenging. Herein, for the first time, a personal moisture management cotton electronic textile (PMMC e-textile) with a pleated structure and dual-mode triboelectric promoting evaporation is developed. The PMMC e-textile can not only rapidly evaporate sweat in the form of small molecules through electric field polarization, but also stably monitor the movement signal of the human body in the state of sweating. In the two working modes, the water evaporation rate is 0.210 g/h in the triboelectric field generated in the horizontal stretching–recovery mode, and 0.247 g/h in the vertical contact separation mode (1.41 and 1.66 times faster than cotton fabric, respectively). This work exhibits a good fusion of wet comfort textiles and wearable electronics.