Hybrid thin-film photovoltaic (TFPV) solar cell developer and manufacturer XsunX has increased the conversion efficiency levels of its cell devices to 15.1% based on the company's CIGSolar technology. Deposition of the CIGS cell layers was conducted on full-size 125mm square substrates.
"The rate at which we're experiencing percentage point gains is truly incredible considering only weeks ago we announced surpassing 14% conversion efficiency," said Tom Djokovich, XsunX CEO. "Our confidence that small-area coevaporation processes is the key to delivering the best performance CIGS thin-film cells continues to be strengthened."
"It's important to remember that we are developing our technology on the same size substrates we intend to use in our commercial systems, about the same size as a silicon solar cell, so the efficiency levels we achieve in the laboratory we believe will be transferable to what we can offer the market," he continued.
Test configurations used to measure efficiency are identical to that used by the National Renewable Energy Laboratory (NREL), and XsunX test equipment is calibrated to the standards of the National Institute of Standards and Technology (NIST) standards, according to the company.
Source: PV-tech.org
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