I can tell you its not cheap. About 120 dollars for a small amount. And not just anybody can purchase it.
20$
At the current rate of $300/lb it would cost $66.14.
A lithium battery cr2032 battery does not really cost that much. You should be able to find these batteries in the store for $3 or $4 tops.
The cost of lithium batteries is going to vary depending on the brand name that you plan on purchasing, and it depends on the type of batteries they are planning on using as well.
yo i really rock
The cost of a kilo of lithium can vary depending on factors such as purity, market demand, and supplier. On average, it can range from $7,000 to $30,000 per kilogram.
The price of lithium is approx. 2,5 US $/pound.
A quick google search gave me a Shanghai price in May 2010 of $US 29 per pound, for 99% metal.
Lithium costs can be high due to factors like limited supply, increasing demand for lithium-ion batteries in electric vehicles and electronics, and extraction and production costs. Additionally, geopolitical factors, such as control of lithium reserves by a few countries, can also impact the pricing of lithium.
Lithium Bromine
$40 for 7 grams at http://www.elementsales.com/pl_element_grp1.htm
lithium hydroxide + carbon dioxide --> lithium bicarbonate