Somewhat surprisingly, perhaps, there is still potential in lead-acid battery technology. Ecoult [1] is combining them with supercapacitors to try to get the b

Somewhat surprisingly, perhaps, there is still potential in lead-acid battery technology. Ecoult [1] is combining them with supercapacitors to try to get the best of both technologies for grid-scale storage. [1] https://www.ecoult.com/ https://www.ecoult.com/