Synergistic Physical Crosslinking and Ionic Hydration-Reinforced Flame-Retardant Zwitterionic Hydrogel for Multimodal Flexible Sensing
Hydrogel-based flexible sensors are promising candidates for wearable biomechanical monitoring, soft robotics, and human–machine interfaces because of their compliance, stretchability, and intrinsic ionic conductivity. However, their practical implementation in demanding environments is constrained by subzero freezin...