Self-powered tactile logic
This hydrogel achieves pronounced ion gating through geometric and impedance asymmetry, mimicking neuronal action potentials to convert tactile signals directly into self-powered logic operations.
Zhang, Yuyang · Li, Xiang · Zhou, Yanguang · Wang, Zhonglin · Wei, Di
Small 2026
Four fundamental Boolean logic gates (OR, AND, NOR, NAND) via simple series-parallel integration
Ionic current density exceeds state-of-the-art devices, orders of magnitude higher than conventional piezoionic systems