Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6533775 | Solar Energy Materials and Solar Cells | 2018 | 6 Pages |
Abstract
This paper outlines the development of fully screen-printed, uniformly diffused, bifacial, n-type silicon solar cells produced using a lean processing sequence and industry-standard equipment. An average batch efficiency of 21.4% was measured at standard test conditions for an optimised bifacial cell batch (i.e. illumination on the front surface only). The results of open circuit voltage (VOC) and fill factor (FF) loss analyses are presented for select batches. By targeting reductions in the largest recombination components, optimised batch VOC was increased by 15â¯mV compared to the baseline case. The two largest recombination components limiting VOC in optimised devices are front contact recombination and passivated rear surface recombination. The largest FF loss components for optimised devices are the emitter sheet resistance and front contact resistance.
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Authors
John Rodriguez, Er-Chien Wang, Ning Chen, Jian Wei Ho, Mengjie Li, Jammaal Kitz Buatis, Balaji Nagarajan, Lujia Xu, Woon Loong Choy, Vinodh Shanmugam, Johnson Wong, Armin G. Aberle, Shubham Duttagupta,