Al-coordinated hydrogel flexible sensor

4× tougher

Mimicking bamboo's hierarchical structure, the hydrogel reinforced with polyaluminum chloride gains high toughness and sensitivity, enabling child-safe control in smart water dispensers.

Guan, Xiaoyu · Xing, Li · Liuping, Jin · Sai, Zheng · Luying, Zhang · Li, Dongping · 79210228 · Wang, Xuechuan · Qiang, Taotao

Chemical Engineering Journal 2026

Specifications

拉伸韧性
{'zh': '2.97', 'en': ''} MJ/m³

Advantages

High sensitivity, distinguishing adult operation from accidental child contact

Good stability for long-term sensing