| Electronics > Power/Renewable Energy/EV's |
| Spinning solar cells generate 20 times more electricity ... |
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| LabSpokane:
--- Quote from: suicidaleggroll on June 26, 2015, 09:33:50 pm --- --- Quote from: ivan747 on June 26, 2015, 08:25:20 pm ---They do have an advantage, if this is not bullshit: smaller solar panel means less cost. --- End quote --- Sure, for the solar cells themselves. --- End quote --- This stuff has been available for years in vastly mor practical forms, such as: In short, nobody buys them because conventional PV panels are cheaper and more reliable. This spinning thing is ridiculous in so many ways. It's really a twist on Solyndra, which failed spectacularly. Then they have sprinkled in some Solar Freaking Roadways stupidity with the thick, plastic lenses which will attnuate the light transmission. Then we get back to the simple fact that no lens will cause the light striking the earth to exceed 1kW/m2 on average. |
| PTR_1275:
I do remember reading an article several years back about solar concentrator systems and they do achieve higher conversion rates at the higher solar concentration, albeit not a huge gain. The problem is then getting the heat away as many people have already said. More concentrated light is still the same amount of w/m2 hitting the earth, but less silicon needed which can be an advantage. Couple that with complex spinning things, lens assemblies and cooling systems and the benefit disappears. In summer, I do quite often see the pyranometer at work hit 1200-1300w/m2, the highest I have seen was 1440w/m2 so the irradiance definitely doesn't max out at 1000w/m2 as some people have said. |
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