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PoppaJ
The hype around electric cars is about what a boon to the environment they will be. But, after we've had thousands of electric cars on the road for a few years, what do we do with the NiMH batteries which cease to take a charge about 2 years after manufacture?
Answer
Chevy,... then you know a guy in India who is a fool in the desert as Toyota offers $200 for each salvaged Prius battery pack. There is even a telephone number on the pack. http://www.hybridcars.com/cars.html Perhaps he is putting it in the ground hoping it will grow?
The warranty on Volt and Leaf battery packs is now 8 years or 100,000 miles. The NiMh batteries in the Prius had a warranty for 10 years/ 150,000 miles. Whoever told you 2 years was either misinformed or pulling your leg. They could easily last more than twice that long and have been good in fleet use to at least 150,000.
Electric and to a lessor extent hybrid batteries like the Prius need to have a high energy density by weight. (You want to carry the biggest charge in exchange for the amount of weight you will have to move around.) A high energy density by weight means more range for the vehicle. At the end of its useful life in an EV the pack will have degraded to 70 or 80% of its original rating. At this point the battery continues to have use as a stationary storage battery where weight is not an issue. In another 8 to 20 years the battery may no longer have use as a battery, but it contains valuable elements that are sure to be recycled.
We might compare this to lead acid batteries which contain cheap elements and are more than 95% recycled. Chevron held the patent rights to the NM-HI battery and for years refused to allow them to be put in a BEV. ( http://evworld.com/blogs/index.cfm?authorid=51&blogid=104&archive=1 ) They were only permitted in hybrids and all the hybrids used them. As a result almost all future EV will use a battery chemistry based upon Lithium.
Chevy,... then you know a guy in India who is a fool in the desert as Toyota offers $200 for each salvaged Prius battery pack. There is even a telephone number on the pack. http://www.hybridcars.com/cars.html Perhaps he is putting it in the ground hoping it will grow?
The warranty on Volt and Leaf battery packs is now 8 years or 100,000 miles. The NiMh batteries in the Prius had a warranty for 10 years/ 150,000 miles. Whoever told you 2 years was either misinformed or pulling your leg. They could easily last more than twice that long and have been good in fleet use to at least 150,000.
Electric and to a lessor extent hybrid batteries like the Prius need to have a high energy density by weight. (You want to carry the biggest charge in exchange for the amount of weight you will have to move around.) A high energy density by weight means more range for the vehicle. At the end of its useful life in an EV the pack will have degraded to 70 or 80% of its original rating. At this point the battery continues to have use as a stationary storage battery where weight is not an issue. In another 8 to 20 years the battery may no longer have use as a battery, but it contains valuable elements that are sure to be recycled.
We might compare this to lead acid batteries which contain cheap elements and are more than 95% recycled. Chevron held the patent rights to the NM-HI battery and for years refused to allow them to be put in a BEV. ( http://evworld.com/blogs/index.cfm?authorid=51&blogid=104&archive=1 ) They were only permitted in hybrids and all the hybrids used them. As a result almost all future EV will use a battery chemistry based upon Lithium.
Who will be the first automaker to create a 100 mpg car which is NOT full electric or hygrogen and when?
Hartley De
Hybrids are included in this question, but I am aware that Tesla and Phoenix (and a few others) already produce electric cars which can travel over 100 miles without a charge. This question is centered on the innovation of the gasoline powered auto industry.
Answer
Five electronic and automotive engrs last week have shown
trials of a car in India which can run 245 miles on 1 ltr and
they r bringing it to Detroit to show some run trials.
Five electronic and automotive engrs last week have shown
trials of a car in India which can run 245 miles on 1 ltr and
they r bringing it to Detroit to show some run trials.
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Title Post: What will be done with electric car batteries when they can no longer be recharged?
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