Toyota’s plans to run a Prius on Lithium-ion batteries have hit a roadblock. Launch of the new Toyota Prius that was to run on Lithium-ion batteries has been pushed back to 2011, instead of the previously planned 2008 models year.
Toyota had to take this decision due to potential safety problems with its Lithium-ion cells. Panasonic EV Energy had provided the Li-ion batteries for Toyota; the same company also provides Nickel Metal Hydride batteries for the current range of Toyota hybrids. The material used in Toyota’s Lithium ion batteries provides more power but is thermally unstable and there was a lurking danger of fire or even explosion in these batteries.
It was speculated that the Prius running on Li-ion batteries would give an impressive fuel economy of 70mpg. As of now, the next Prius will run on conventional NiMH batteries, the Lithium powered Prius is expected to make a debut in 2011, when the Prius Wagon is launched. This delay has also pushed back the launch of hybrid versions of Tundra and Sequoia.
The delay in launch of Li-ion batteries from Toyota may give an opportunity to GM. GM has been targeted for having poor hybrid technology. GM is working on its own range of Li-ion battery powered hybrids, scheduled for launch in 2009 with the Saturn Vue Green Line plug-in hybrid and the Chevrolet Volt, which is scheduled for a 2010 launch.
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[Via: Greencarcongress]
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