Amonix, Solar Junction alliance for higher CPV Efficiency Gains

Sunday, March 3, 2013 0 comments

What if first ranker shakes hand with second ranker, what if they start putting collaborative work to do certain project even more effective. Definitely result would be even better than individual and exactly same thing is happening in somehow lagging CPV technology world. Amonix and Solar Junction both are currently highest efficiency record holder were hoping to put their effort to boost performance, and lower costs, to finally fulfill CPV's promise of lower levelized cost of electricity (LCOE) compared with other solar technologies.

Solar Junction topped 44 percent efficiency with its multijunction solar cells. Amonix set the top market for a CPV module in May 2012 at 33.5 percent. Putting the two together will push the end efficiency significantly higher, they believe, which is the key to reducing total system costs over time. And that is CPV's real selling point over other solar PV technologies: despite higher upfront costs, it makes up for that with lower LCOE over the system's lifetime.
 
This new agreement lets the companies formally open their process IP playbooks and determine how much more efficiency their combined technology would achieve, and where those refinements can be made. Amonix also likes that Solar Junction's target sunlight concentration is around the same that it uses (900-1000×), which they believe is the optimal level balancing cost, efficiency, and long-term reliability, McCullough said. A higher level of concentration (up to 2000x) is not cost-effective, and lower levels of concentration don't squeeze out enough efficiency per surface area.

Amonix believes that whether materials, optics, or in ramping economies-of-scale and standardizing processes can contribute to reduce overall cost, but conversion efficiency can make larger difference between conventional PV and CPV. Higher conversion efficiency means more output in a given surface area, and that reduces the cost of everything else, from modules to tracking systems to operations/maintenance.

To read more on Solar Junction's record breaking Cells click here

Article Written by Sumit V Nawathe
For More Details contact: SNawathe@renewindians.com 
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