Researchers built a water-based battery with 120,000 charge cycles and an electrolyte safe enough to compare to tofu brine. Still in the lab, but the direction is away from toxic supply chains.
https://www.livescience.com/technology/engineering/new-water-battery-could-last-until-the-24th-century-and-it-can-be-safely-discarded-in-the-environment
#SyntheticMaterials #CliFi #PostScarcity
