The record-breaking cell was produced at Qcells' research and development line in Germany and its efficiency was verified by the Fraunhofer Institute for Solar Energy Systems, a German solar ...

Qcells has set a world record for the efficiency ... silicon cells and around 21% for traditional commercial silicon solar panels. To be fair, China's Longi has achieved efficiency breakthroughs ...

Qcells said it achieved cell efficiency of 28.6% on a large commercial-sized cell known as an M10 using the technology - setting the stage for future mass production. China's Longi has achieved ...