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MR RULONG CHEN, Director R&D – WUXI SUNTECH POWER CO LTD | Topic: Multi-Crystalline Silicon Solar Cells and Modules Technology Progress

MR RULONG CHEN, Director R&D – WUXI SUNTECH POWER CO LTD | Topic: Multi-Crystalline Silicon Solar Cells and Modules Technology Progress

And Multi-Crystalline silicon solar cells efficiency from 14% to over 20% depends on wafer and solar cells technology progress. We introduce these solar cells and modules technologies, include diamond wire slicing, black silicon texture, Passivation Emitter Rear Contact (PERC) and so on. Through solar cells and modules process optimization, the mass production line can reach 20.3% cell efficiency and 295W module power. We also use hydrogenation technology to solve the LID problem.