Chemistry

Materials science

Carbon nanotube

Engineering

Composite material

Physics

Self-healing hydrogels

Nanotechnology

Organic chemistry

Polymer chemistry

Optics

Glycerol

Moisture

Electric heating

Tannic acid

Dispersion (optics)

Electrical conductor

Polyvinyl alcohol

Chemical engineering

Journal of Materials Chemistry A

An anti-freezing and moisturizing conductive hydrogel, capable of harvesting energy from moisture, was developed by incorporating tannic acid and carbon nanotubes into polyvinyl alcohol containing a water–glycerol dispersion.

Anti-freezing and moisturizing conductive hydrogels for strain sensing and moist-electric generation applications