Background
The modern nickel-metal hydride (NiMH) electric vehicle battery was invented by Dr. Masahiko Oshitani, of the GS Yuasa Corporation, and Stanford Ovshinsky, the founder of the Ovonics Battery Company. The current trend in the industry is towards the development of lithium-ion (Li-Ion) technology to replace NiMH in electric vehicles. Some manufacturers maintain that NiMH batteries are important to the commercialization of plug-in hybrid electric vehicles (PHEV)s and battery electric vehicles (BEVs) because Li-Ion technology, while functionally superior due to its higher specific energy and specific power, is prohibitively expensive, relatively untested with regards to its long-term reliability, and can be subject to dangerous overheating and fire if cells are controlled incorrectly or damaged.
Read more about this topic: Patent Encumbrance Of Large Automotive Ni MH Batteries
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