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January 20, 2010
Tower Of Power
Here is an interesting development that may be good for continuous output solar power. The company's approach uses calcium hydride, a simple, non-toxic salt.They claim the system compares to the cost of fossil fuels. The question is: coal (very cheap) or natural gas (rather expensive). It is still interesting. Now if they could develop a fuel cell along the lines of this patent [pdf] or something similar I think they would have a real winner. Getting rid of the thermal energy to mechanical motion step (Stirling engine) could greatly improve efficiency and reliability. It would mean pumping reactants around. But you would have to do that in any case, I think. More details on how the system operates would be nice. Bleisner was originally involved in Stirling Engine development at ADI Thermal. So he may have a vested interest in the Stirling engine route. No matter. Others can now start in on the Hydrogen/Calcium fuel cell route. One breakthrough can show the path to others. Cross Posted at Power and Control posted by Simon on 01.20.10 at 08:15 AM |
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