design of a rapidly rechargeable gas battery is disclosed . in one embodiment , a rapidly rechargeable gas battery is constructed of a plurality of high surface area , gas adsorbing electrodes and an electrolyte , wherein , during charging operation , gases are formed and adsorbed at the plurality of electrodes such that they generate an electrochemical potential for discharge of the cell formed by electrodes and electrolyte until the state - of - charge has become negligible . the rapidly rechargeable gas battery is designed such that it can withstand high charging current and a deep discharge without irreversible changes in the electrode materials .