Cleantech Sees Big Players Investing
GE, already a cleantech investment powerhouse on its own, announced it is joining with NRG and ConocoPhillips to form Energy Technology Ventures, a group which will be pooling $300 million in order to...
View ArticleThe Insight Behind Record Solar Efficiency
It’s not the absorbing of photons that matters most, it’s the emitting of them. That counterintuitive bit of wisdom about boosting photovoltaic cell efficiency is at the heart of work at Lawrence...
View ArticleSolar Panel Efficiency Records Broken Again?
Do The Math—the nom de plume of UC San Diego physics smart guy Tom Murphy—argues persuasively that we’re all a bit too focused on photovoltaic (PV) efficiency. Even at 15 percent, he says, PV is...
View ArticleSolar Efficiency Gurus: Alta Devices Explored
As flat-plate single-junction solar cells go, you won’t find a more efficient version than Alta Devices’ prototype made from gallium arsenide. The new design takes advantage of an old concept...
View ArticleAlta Devices Sees Solar Lightening Soldiers’ Loads
Startup Alta Devices promised “new and unique solar applications” with its gallium arsenide thin-film solar cells when it began promoting its technology last year, and it looks like the military might...
View ArticleThin-Film Solar Maker Sees A Big Drone Market
Alta Devices, continuing to position itself for the mobile market, is now talking up its gallium arsenide thin-film solar cells for use in unmanned aerial vehicles. Aka, drones. It could be a fruitful...
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