This paper reviews the status and prospects of high-power batteries intended for application in power trains for hybrid electric vehicles. It is based on a survey of advanced batteries conducted by the author for the California Air Resources Board in the first half of 1999. Hybrid electric vehicle (HEV) concepts and technology are still evolving, as are the associated requirements for energy storage. The most important requirements established or implied for several generic HEV types are discussed to help judge the applicability of candidate batteries. On that basis, high power versions of nickel-metal hydride, lead acid and lithium ion batteries meet the performance requirements for the power assist/regeneration HEV application. Nickel-metal hydride, lithium ion and lithium polymer batteries appear suited for hybrid electric vehicles that have significant driving range on battery power alone. The status of these technologies and their prospects for availability within the next 3-5 years are discussed. The emergence of hybrid electric vehicles promises viable markets for advanced batteries (as well as for electric power conversion, control and motor technologies) in electric transportation hybrid electric vehicles-especially those with significant battery-only driving range-also might become stepping stones in the commercial introduction of electric vehicles that take advantage of the remarkable advances in battery technology achieved over the past five years.
The status of high-power batteries for hybrid electric vehicles
1999
8 Seiten, 3 Quellen
Conference paper
English
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