Quote:
Originally Posted by iff2mastamatt
There isn't really enough lithium on earth to power something as large as a car. It's actually a rarer resourse than petroleum.
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"Worldwide reserves of lithium are estimated to be 23 million tonnes. Using the battery efficiency figure of 400 g of lithium per kWh, this gives a total maximum lithium battery capacity of 52 billion kWh which, assuming it is
used exclusively for car batteries, is enough for approximately 2 billion cars with a 24 kWh battery (like a Nissan Leaf)."
"At 20 mg lithium per kg of Earth's crust, lithium is the 25th most abundant element. Nickel and lead have about the same abundance."
http://en.wikipedia.org/wiki/Lithium
The quickest relevant info I could find on the element...