Heterojunction and TOPcon cell technologies being explored by Hefei-based cell and module maker. The Chinese giant is also preparing to fly in the face of predictions the big players will curtail plans to expand production after this year's policy developments in their homeland.Chinese PV conglomerate Tongwei Solar has big plans for high-efficiency solar cell research and development. The company's R&D manager, Andy Chin, told pv magazine Tongwei is not only working on increasing the efficiency of bifacial and passive emitter rear contact (PERC) technology, but also conducting R&D into a variety ...Den vollständigen Artikel lesen ...