The iodide ions (I −) in the salt can easily react to form I 3 − and then back again (redox pair). In this process, they transfer electrons to oxygen (discharge) and take them back up (charge).

During the discharge and charge operations, the salt’s iodide ions (I−) can readily transition to I3− and back, exchanging electrons. This redox process lowers the cathode’s overpotential ...

For this, the team soaked the cells in an aqueous solution of sodium acetate, sodium iodide, and hypophosphorous acid. Acetate ions bind strongly with the lead iodide in the perovskite ...

Chlorine is more reactive than the iodine in potassium iodide solution: When a Group 7 element reacts, it gains one electron to form a negative ion with a stable electronic configuration – a ...

I. The reaction between iodide and hydrogen peroxide produces triiodide. The triiodide ions are reduced back to iodide by thiosulfate at a much faster rate, until the thiosulfate is consumed. Then the ...