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Saturday, 02/25/2012 3:19:26 AM

Saturday, February 25, 2012 3:19:26 AM

Post# of 16
Interest in graphite will only last as long as its use continues to grow. So the question is; will it's demand continue to grow? Lithium-vanadium car batteries contain more graphite than lithium or vanadium and as hybrid and even pure electric car production increases, there will be a need for tens of millions and eventually hundreds of millions of lithium-vanaddium (graphite) batteries. in addition to car batteries there will be increasing utility power plant requirements for the huge vanadium-redox batteries which are rated at the megawatt levels, or millions of watts, power output. Those two demands will mean increasing use of graphite for decades to come and this has been at the heart of the new interest in graphite and will fuel continued price increases for graphite stocks for years to come. Which is great, but now it appears that there may be another massive use of graphite, and if so, this could increase the interest in graphite far more than is presently anticipated and ignite an even greater rise in the prices of graphite companies than is presently expected.

Graphite foam could help suck terawatts of power from seawater
http://www.graphiteblog.com/2012/02/graphite-foam-could-help-suck-terawatts-of-power-from-seawater.html

The only eco-friendly source of "base power," that is, power that (unlike solar or wind) is available at a constant rate whenever you need it, is geothermal, and geothermal sources are limited to only a few places in the country. This lack of a reliable non-polluting power source makes green power a hard sell, but the Oak Ridge National Laboratory (ORNL) might have an answer: seawater.

Really, it's not the seawater itself that ORNL is interested in: it's the temperature difference between water up near the surface, and water thousands of feet down. Wherever you've got a temperature difference somewhere, it's theoretically possible to harvest energy from that system, and the bigger the temperature difference the more energy you can extract. One handy place where this would work is out in the ocean, especially in the tropics, where seawater near the surface can be 70 or 80 degrees, and just 30 to 40 degrees a couple thousand feet down.

That 30 or 40 degree difference is enough to boil ammonia, use it to drive a turbine to produce power, and then condense the ammonia again to start all over. There's no fuel necessary, no waste products, and the slightly colder water that's dumped back into the ocean apparently has no effect on the environment. ORNL figures that offshore power stations have the potential to generate between three and five terawatts of power in tropical latitudes, which is more green energy than is produced by the entirety of the United States of America.

The secret to doing this efficiently enough to make it cost effective and worthwhile is a stupendous heat exchanger, and ORNL has come up with a doozy: graphite foam. This stuff has a ton of surface area, and it's a very efficient heat conductor, which is exactly what you need in an exchange system. ORNL estimates that using this stuff could either half the cost or double the efficiency of any heat-based power source, which covers not just these seawater plants, but traditional power plants (coal, nuclear, etc) as well.

If ORNL has its way, a demonstration version of this seawater energy project should be up and running in Hawai sometime this spring.

What's interesting about PRZCF (Greenlight Resources) is that in addition to their excellent Golden Grove graphite property, they have Lithium-Rare Earth Metals properties plus Manganese (another metal with growing uses) and gold and silver properties. All of which diversifies their prospects and lowers the risk of just being in one commodity, plus the prices of all these metals are increasing.

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