[PLUG-TALK] solar energy

Bill Barry bill at billbarry.org
Wed Dec 6 23:48:50 PST 2006


That's amazing!
Here's a couple of papers  I found following up on this
http://www.boeing.com/news/releases/2006/q4/061206b_nr.html
http://www.nrel.gov/docs/fy05osti/38689.pdf

These seem to be 3 junction solar cells with different bandgaps in each
region
for absorbing different parts of the spectrum. Pretty impressive.

Bill Barry


On 12/6/06, Edward Terry <eterry at openboxbuilder.com> wrote:
>
> >>    How many years to recover the cost of installation?
> >
> > I asked him, and though I don't remember the exact amount, I think about
> 1/3
> > of it was payed for
> > With tax-credits right away, with the solar taking about 10 years, and
> the
> > hot-water taking about 5.
>
> Speaking of solar energy, the DOE has announced that Boeing-Spectrolab
> has created a solar cell with 40.7% efficiency.
>
> http://www.informationweek.com/showArticle.jhtml?articleID=196602062
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