Multi-directional PV at a $1 per watt
Posted on December 30th, 2009 by tom.
CleanTechnica has a post about PV panels made from a holographic film which is able to capture light from any direction:
Prism Solar Technologies in Highland, NY has innovated a breakthrough holographic thin-film (Holographic Planar Concentrator™) that makes possible a very parsimonious use of crystalline PV cells to counteract that problem for Northern regions.
This brings the cost down to $1 a watt.
Each of their solar modules is actually made up of both crystalline PV and their unique holographic thin-film. The thin-film strips diffract both direct and reflected energy to the PV cell strips integrated between strips of thin-film. Solar modules made in this way are cheaper because they use 50-72% less silicon to make the same energy. Read more…
Category: Information | Tags: pv panel, solar 6 comments »
December 30th, 2009 at 5:30 pm
That looks suspiciously like snake-oil to me…
They’re a little sparse on the details of how ‘holographic’ films direct the sun into the solar cells; in the images the shadow pattern doesn’t make it look like the film is capturing much light.
That film looks more like a diffraction grating than a hologram.
March 26th, 2011 at 7:28 pm
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We power a number of of our kitchen appliances off of this grid.
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January 10th, 2012 at 7:21 am
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