Wearable energy-harvesting devices suffer from low electrical output and poor wear comfort. Here, authors develop a self-powered fabric with good wear comfort that pumps sweat directionally, achieving 6.3 °C skin cooling and a 0.40 mA·cm⁻² DC current output for practical wearable power supply.
- Renbo Zhu
- Zhongliang Zhang
- Xiaoming Tao