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AssigneeEnergy Conversion Devices, Inc.
InventorsKrishna Sapru, Benjamin Reichman, Arie Reger, Stanford R. Ovshinsky
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An improved battery utilizing a hydrogen rechargeable anode of a disordered non-equilibrium multicomponent material including one or more elements forming a host matrix and at least one modifier element incorporated therein. The anode is capable of electrochemically absorbing hydrogen from an electrolyte during application of a charging current thereto. The hydrogen is stored in the anode bulk until discharge is initiated, whereupon an electrical current is produced when the hydrogen is released. The superior battery of the invention has attained high density energy storage, efficient reversibility, high electrical efficiency, bulk hydrogen storage without structural change or poisoning and hence long cycle life and deep discharge capability.
A hydrogen battery comprising:
A rechargeable hydrogen storage battery electrode comprising a disordered multicomponent material for reversibly, electrochemically charging and discharging hydrogen without forming hydrogen gas, said material including a host matrix selected from the group consisting of Mg, Ti, V, Zr, Nb, La, Si, Ca, Sc and Y, and combinations thereof and at least one modifier element selected from the group consisting of Cu, Mn, C, Fe, Ni, Co, W, Li, Re and combinations thereof, said material having at least one structure selected from the group consisting of amorphous, microcrystalline, polycrystalline lacking long-range compositional order with three or more phases of said polycrystalline structure and any combination of said amorphous, microcrystalline and polycrystalline structures.
Dependencies are inferred from the claim text.