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Two energy innovators that I now follow and a question
After searching the web for what felt like hours, I was unable to find any individuals to follow. I have, however, found a couple of companies whose work is note worthy.
The first is a company called the Bloom Energy Corporation. The company is based in Sunnyvale, California. (As a side note, when I first looked at the location, I mistook the towns name as Sunnydale. I wondered if they were getting their energy from the Hellmouth. After putting my gla**** back on, I realized my error and continued with my research)
The company produces Solid Oxide Fuel Cells. In developing this type of cell, Bloom Energy has overcome several engineering pitfalls associated with fuel cells in general. The most important item is that their cells do not require the cost of precious metals to work. As a result their product is more cost effective. These fuel cells are located on premises. I can see where the cells would be great as a power source in remote locations.
Please visit the company’s web site. There you will find a flash video that explains how the cell works. After you have watched the video please return here and in comments, explain the video to me. I have no idea how their technology works. The only downside that I can see to this power unit is that it produces a “little” CO2. How much is a “little”?
The second company is one that I am very excited about. The company’s name is Ausra and they produce Solar Thermal energy. Ausra produces long convex mirrors that have two pipes running the length of the mirrors. One pipe holds water, the other holds oil. When the sun comes up the water is heated to boiling and is then directed to a steam turbine producing electricity. The oil is superheated to over 300 degrees F. and then stored in a super insulated container. When the sun sets, the water is redirected through these containers holding the oil. Steam continues to be produced powering the turbines. As a result, the power plant is operational up to 21 hours a day.
Ausra had to stop producing power plants due to the economic downturn. I am happy to report that they have new owners that have the finances to begin construction again.
Views: 23
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Comment by ben on March 26, 2010 at 7:18pm
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Great blog Megiddo. Two companies I had not heard of so am in the process of following your links to get more info. If I understand the tech involved with Bloom Energy I'll report back (I wouldn't hold your breath though!).
Regardless well worth a +1 for KS
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