Patent ID: 8309260
Filing Date: 2012-11-13
Classification: H01M,Y02E

Abstract:
1. A battery for providing power to operate an electronic device comprising one or more metal-air cells, the one or more metal air cells comprising a housing with one or more oxygen entry ports, an first, oxygen consuming, electrode disposed in the housing, a second, counter, electrode disposed in the housing, an electrolyte disposed in the housing, a first electrical contact terminal in electrical contact with the first electrode, and a second electrical contact terminal in electrical contact with the second electrode; wherein: oxygen from outside the housing enters the housing to reach the oxygen consuming electrode; when the battery is ready for use and not providing power to operate the electronic device, an electrical circuit is complete between the first and second terminals of at least one of the metal-air cells; and the electrical circuit comprises a sacrificial drain on the at least one of the metal-air cells.