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Application of Ovonic Battery Company's (OBC's) high power and energy dense NiMH battery products in heavy-duty vehicles, such as buses and trucks, will offer the same performance and economic advantages that have made it the technology of choice for the major automotive manufacturers. Recent advances in the development of Ovonic NiMH batteries for heavy-duty vehicle are shown.

Nickel Metal Hydride (NiMH) batteries employing hydride materials based upon the principles of disorder by the control of short and intermediate range order such as V-Ti-Zr-Ni based alloys have been extensively developed by Ovonic Battery Company (OBC) for both portable electronic and electric vehicle applications. Metal hydride alloys of this family can be engineered to provide the proper hydrogen storage properties together with the desired electrochemical properties required for battery applications. Application of Ovonic technology for EV applications has been demonstrated by successful scale-up from wound cell designs to prismatic designs. Recent test results are presented which show the excellent performance characteristics of the Ovonic NiMH battery for EV applications. High gravimetric and volumetric energy densities, high peak powers, and excellent cycle life have been demonstrated for this battery by OBC and verified by independent testing laboratories.