If they could coat, or layer it, in a reactant or catalyst that made the hydrogen sulphide has less harmful or toxic it may work, so if the battery is damaged s

If they could coat, or layer it, in a reactant or catalyst that made the hydrogen sulphide has less harmful or toxic it may work, so if the battery is damaged some of the toxic gas will be reduced to something less harmful. Maybe a chemist would know if this is possible