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IBC solar cell achieves efficiency of 24.4 percent

Technology News |
By eeNews Europe


Independently tested by Germany’s Fraunhofer CalLab the laboratory scale Interdigitated Back Contact (IBC) solar cell is now one of the most efficient solar cells ever tested.

Trina Solar funded the two-year research project, which involved contributions from Australian consultancy PV Lighthouse, and the Solar Energy Research Institute of Singapore (SERIS).

The Chinese company is now developing a commercial version of the IBC cell, as well as an IBC PV module. In testing, Trina Solar’s commercial IBC cell has already achieved efficiency greater than 22% at laboratory scale. The company hopes to match the 24.4% level soon, ready in time for industrialized mass production.

Trina Solar’s chief scientist and vice president, Pierre Verlinden, said: "This marks a milestone in solar cell research with an improved IBC cell efficiency of 24.4%. This world-class efficiency demonstrates our commitment to leading innovation in PV technology. We remain committed to engaging in effective partnerships with the best PV research centers, which are fundamental to delivering R&D breakthroughs."

The ANU’s director of the Centre for Sustainable Energy Systems, Andrew Blakers, said: "The work is expected to lead to commercial solar cells with improved efficiency, allowing more power to be generated from a given area of rooftop solar module."

"The ANU has been working to develop highly efficient back contact silicon solar cells, which have both positive and negative metallic contacts on the rear surface. That allows the surface facing the sun to be uniformly black, without the metal electrodes present on most solar cells. The back contact cell structure enables the end user to gain more electricity per unit area and a more favorable appearance."

Related articles and links:

www.trinasolar.com

www.anu.edu.au

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