fig1
![Remarkable interfacial dielectric relaxation of physically cross-linked ice hydrogels](https://image.oaes.cc/8b5f6870-00c5-4ca9-835b-4faf96d2943d/4347.fig.1.jpg)
Figure 1. (A) Schematic of the PAN-based hydrogel network structure. (B) A typical polymer structural unit with the well-crossed PAN-based hydrogels, including the dual-physical interactions of dipole-dipole pairs and hydrogen bonds, as well as the covalent interaction. PAN: Polyacrylonitrile.