>> The silicon cells APS has been testing at the STAR >> center have >> about a 20 percent efficiency rating, meaning that >> about 20 percent >> of the sun's energy is converted to electricity. >> The new cells, which >> are made of layers of gallium indium phosphide, >> indium gallium >> arsenide and germanium, have a conversion >> efficiency of about 32 >> percent, Johnston said.
Anyone have information about how solar cell energy lifecycle efficiency (energy input required to mine and tranform these elements into solar cells versus the electricty production over the life of the cells) compares with other fuels and engery sources? Ed _______________________________________________ Biofuel mailing list [EMAIL PROTECTED] http://wwia.org/mailman/listinfo.cgi/biofuel Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuel archives at Infoarchive.net (searchable): http://infoarchive.net/sgroup/biofuel/
