First interdigitated back contact (IBC) n-type solar cells based on 6-inch wafers

http://ir.yinglisolar.com/phoenix.zhtml

ECN is focusing its research on n-type silicon solar cells as these are potentially more efficient than p-type cells and are less sensitive to degradation and impurities. Additionally, the back contact design of solar cells offers several advantages. They exhibit a higher voltage and deliver a higher current, because of reduced losses via recombination and a larger surface on the sunny side.

By producing the cells at Yingli, the consortium has now tackled the complexity of producing such cells. The consortium aims to produce cells that have an efficiency of 22% by the end of 2017. The development and production of commercial modules is expected for 2018. Moreover, the inherent bifacial character of the IBC cells will also allow pursuing the route of truly bifacial module technology.