Overchargeable sealed metal oxide/lanthanum nickel hydride battery

Abstract From the Canadian patent

This invention relates to improvements in the construction of metal oxide/lanthanum nickel hydride storage batteries. A stack construction is disclosed which allows recombination of oxygen before it reaches the hydride electrode. The oxygen gas is forced to escape from the back of the metal oxide electrode where it is reduced at a catalyst electrode held at the potential of the lanthanum nickel electrode. With rapid recombination, no build-up of pressure occurs and no oxygen gas will arrive at the hydride electrode which would tend to damage it. In one embodiment the hydride electrode is separated from the metal oxide electrode by a fuel cell-type separator. In one embodiment a single …