 This makes cathodes in aprotic batteries prone to clogging and volume expansion that progressively reduces conductivity and degrades battery performance.Another issue is that organic electrolytes are flammable and can ignite if the cell is damaged.Although most studies agree that is the final discharge product of non-aqueous Li-O2 batteries, considerable evidence that its formation does not proceed as a direct 2-electron electroreduction to peroxide O (which is the common pathway for O2 reduction in water on carbon) but rather via a one–electron reduction to superoxide O, followed by its disproportionation