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Electro Energy, Inc. is developing high power long life bipolar nickel metal hydride batteries for Aircraft and other High Power Applications. The sealed wafer cell is the building block of the high power and voltage batteries making the assembly easy and cost effective. High power bipolar battery designs are ideal in applications where conventional battery use would require excessive capacity decreasing payload weight and volume. The bipolar nickel metal hydride design allows for high voltage designs with a 25% reduction in both weight and volume. Utilizing a sealed wafer cell design Electro Energy has demonstrated 1.2 KW/Kg and 1.9 KW/1.

The Nickel-Metal Hydride battery system has achieved significant market penetration for products requiring better performance characteristics than achievable with conventional lead acid and nickel-cadmium batteries. However, conventional prismatic and cylindrical designs for nickel-metal hydride cells and batteries are proving exceedingly expensive to produce and may limit the usefulness of this battery system for further commercial applications. Electro Energy, Inc. (EEI) has developed a Bipolar configuration of the nickel-metal hydride battery chemistry that offers improved performance and lower cost than conventional designs for Terrestrial Applications.