Proceedings of MATSUS Spring 2025 Conference (MATSUSSpring25)
DOI: https://doi.org/10.29363/nanoge.matsusspring.2025.016
Publication date: 16th December 2024
Chinese companies like Microquanta, GLC Power and Utmolight are already producing perovskite modules and are planning production lines of 1-2 Gigawatts each in the next years. Also for tandem devices perovskites become more and more import, OxfordPV has the first modules on the market and according to the 15th edition of the International Technology Roadmap for Photovoltaics, 10% global market share of perovskite-silicon tandems are estimated for the year 2034.[1] This sounds not so much but will correspond to > 100GW, as for 2028 the global PV market is estimated to be 876 GW. [2]
These upcoming huge amounts in mind, recycling of perovskites will be an important issue in the future and in contrast to silicon modules, there is no existing industrial recycling concept for perovskite modules or perovskite-silicon-tandem modules.[3] Here we will present first results of the PeroCycle project, funded by the Deutsche Bundesstiftung Umwelt (DBU). Within the project we investigate a direct recycling approach: Perovskite mini-modules are produced and encapsulated at ZSW, in the second step the modules are sent to Solar Materials where the glasses are separated in one piece from the absorber materials. In the third step, the glasses are cleaned and the absorber material is purified at Solaveni. Finally, with the recycled glasses and perovskite materials new modules will be manufactured at ZSW and analyzed to evaluate the feasibility and quality of the recycling process.
Besides recycling, we focus also on stability issues. An outdoor test of our semitransparent modules is running since 18 months at HZB and we carry out damp heat and constant illumination tests.
We acknowledge the The German Federal Environmental Foundation (Deutsche Bundesstiftung Umwelt, DBU) for funding parts of this work within the project PeroCycle (38924/01).
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