An Ion Pump Enhanced High‐Current‐Density Moisture‐electric Yarn
Guoqing Chen·Hongzhi Wang·Zhouquan Sun·Yujie Lin·S Y Wang·Guoping Zeng·Xin Zhong·Yangyang Fan·Kerui Li·Yaogang Li·Q Zhang·Chengyi Hou·Yunhao Hu
Moisture-electric generators (MEGs) offer a promising route for clean energy harvesting. However, most existing MEGs suffer from low current densities due to limited ion concentration and migration rates, while often lack of capability for direct integration of wearable systems. Here, a moisture-electric yarn (MEY) featuring high current density and continuous power generation is designed. An ion pump strategy is introduced to facilitate the establishment of ion concentration gradients and enhan