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DR FENGMING ZHANG, CEO – NANJING SUNPORT POWER CO LTD | Topic: The Advantages of MWT Technology and its Prospects

DR FENGMING ZHANG, CEO – NANJING SUNPORT POWER CO LTD | Topic: The Advantages of MWT Technology and its Prospects

Presented here is about the metal-wrap through (MWT) back-contact technology. Firstly, an analysis of the disadvantages of conventional silicon solar cells and modules is delivered. As a solution for overcoming the disadvantages, the concept and structure of MWT cells and modules is described in detail. Secondly, the advantages of MWT technology are shown by a series of convincing results, i.e. aging tests of DH3000, TC600 and HF50 etc. Degradation less than 2% has been demonstrated after the super-aging test conditions. Finally, the prospect of MWT is discussed.