Table 1.

The mechanical properties of PHC/Ca²⁺/SiO₂ NPs conductive hydrogels containing different SiO₂ NPs contents.

PHC/Ca2+/SiO2 NPs Conductive Hydrogels	Fracture Strain (%)	Tensile Strength (MPa)	Toughness (MJ/m3)	Elastic Modulus (kPa)
0.00 wt.% SiO2 NPs	2,294	0.278	3.21	19.99
0.32 wt.% SiO2 NPs	2,149	0.301	3.46	59.79
0.80 wt.% SiO2 NPs	2,256	0.765	6.71	88.86
1.96 wt.% SiO2 NPs	1,292	0.619	3.62	76.23