Researchers Confirm Sodium Battery Mechanism

Researchers at the University of Chicago and Argonne National Laboratory published a study in Microscopy and Microanalysis in 2026 confirming the mechanism behind sodium battery longevity. The team used a state-of-the-art electron microscope to observe that electrostatic charging damage actually chases sodium ions, preventing solid electrolyte interphase formation and enabling the battery to operate for long periods without losing capacity.