Efficient and scalable moisture-electric generators made from ionic hydrogel

https://techxplore.com/news/2023-02-efficient-scalable-moisture-electric-generators-ionic.html

"efficient ionic hydrogel moisture-electric generator (IHMEG)... versatile, flexible, lightweight all-weather... chemical energy from atmospheric moisture to generate electricity directly without pollutants...

10% to 85% relative humidity and -24 to 60°C... unit 0.25 cm2 generate DC with constant open-circuit voltage ≈0.8V for >1,000 hours, high short-current density 0.24 mA cm−2, and power density of up to 35 µW cm−2... calculators, watchbands, ink screens, LEDs and electroplate metal nickel"

Related:

Researchers obtain anion ionic water-soluble two-photon initiator for 3D hydrogel construction

https://phys.org/news/2023-03-anion-ionic-water-soluble-two-photon-3d.html

New study shows how carbonated water can be used to tune properties of hydrogels for various uses

https://phys.org/news/2023-04-carbonated-tune-properties-hydrogels.html

Even as temperatures rise, this hydrogel material keeps absorbing moisture

https://phys.org/news/2023-04-temperatures-hydrogel-material-absorbing-moisture.html