Frost- and Dehydration-Resistive Hydrogel

Precise sensing down to −10 °C

Ion-doped MXene composite hydrogel enables temperature sensing with high linearity and resolution across a broad temperature range, suitable for wearable health monitoring.

Wang, Zeyi · Zhou, Xuefei · Yang, Zhiwei · Wang, Jian · Chen, Qian · Pei, Chengjie · Wang, Zhiwei · Dong, Mengwei · Zhang, Jian · Li, Hai · Huang, Xiao

ACS Applied Materials & Interfaces 2023

Advantages

Linearity R² = 0.998 (−10 to 60 °C)

Resolution 0.1 °C

Good repeatability

Integration into wireless system for continuous body temperature monitoring