28 Apr '12, 3pm

HHI Reaches 19.7% Efficiency With New Solar Cell - Solar Industry

Hyundai Heavy Industries Co. Ltd . (HHI) says its copper-contact selective-emitter solar cells have reached 19.7% conversion efficiency. According to the company, this efficiency level - which has been confirmed by Fraunhofer ISE - represents a new record for a selective-emitter solar cell using six-inch monocrystalline silicon wafers. HHI's Green Energy Research Institute has improved on an original laser-doped selective-emitter technology to create a new solar cell by copper plating with a full-area aluminum-alloyed back electrode. A laser-based selective doping process was combined with a plating technology to form copper contacts at the front electrodes without silver paste, resulting in a significant cost reduction, the company says.

Full article: http://www.solarindustrymag.com/e107_plugins/content/cont...

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