A few years back I came across this discovery: The study was conducted in coordination with the Nanostructures for Electrical Energy Storage Energy Frontier Research Center at the University of Maryland, with funding from the Basic Energy Sciences division of the U.S. Department of Energy.
Quantum batteries that charge wirelessly might never lose efficiency: https://www.newscientist.com/article/2390776-quantum-batteries-that-charge-wirelessly-might-never-lose-efficiency/
Cathode oxidation research overturns current thinking on batteries: https://techxplore.com/news/2023-07-cathode-oxidation-overturns-current-batteries.html
Water based batteries: https://electrek.co/2023/03/31/storage-capacity-water-based-batteries/