TNO is coordinating a four-year research project as part of a Dutch-German consortium looking to advance a tandem solar module suitable for early market introduction and thus help bring photovoltaic (PV) production back to Europe.
The project called FIT4Market is co-funded by the Topsector Energy subsidy of the Ministry of Economic Affairs and Climate Policy, implemented by the Netherlands Enterprise Agency (RVO).
Having been developing its tandem technology since 2016, independent research organisation TNO says that the current tandem PV module technology needs more development at relevant scale before it can be introduced into the market. The goal of the project is to accelerate this introduction by developing a simplified approach to the technology.
“The purpose of the collaborative FIT4Market research project is to identify best-practice two-terminal cell development using perovskite and silicon cells in order to develop tandem modules with a competitive LCOE and industry-leading reliability and performance,” commented Jorg Muller, Head of cell R&D at solar module maker Qcells, which will contribute its silicon cell expertise to the project.
In addition to TNO and Qcells, the group of partners involved in the project includes SMIT Thermal Solutions, Levitech, Tempress and Yparex. Qcells’ Benelux team will oversee the technology’s field-testing to measure real-world energy performance and yield.
“The monolithic tandem cell technology used in this project is based on commercial PERC c-Si cells with planar front side, avoiding complexity in dealing with silicon surface texture. The modules will also be bifacial, to increase the current and energy yield and, furthermore, will feature a glass-glass encapsulation for protection of the perovskite cells against moisture,” said Gianluca Coletti, program manager of Tandem Technology and Applications at TNO.
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