IBM develops more sustainable battery
▻https://www.dezeen.com/2020/01/06/ibm-research-sustainable-battery-sea-water
IBM has developed a new type of battery that’s free of cobalt, nickel and other heavy metals, avoiding the environmental and humanitarian issues related to lithium-ion technology.
The battery is made from three materials that can be extracted from seawater, a much less invasive sourcing method than mining.