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Investor Presentaiton

En+ GROUP DEVELOPMENT OF PEROVSKITE SOLAR PANELS Since 2016, the Group has been engaged in the 'Perovskite Solar Module Development' project in cooperation with the Faculty of Materials Science of Moscow State University (MSU). The project implementation was supported by the Federal Target Programme until 2019, and is currently supported by the Russian Scientific Foundation. In 2021, the research yielded the following results: HYDROGEN ENERGY DEVELOPMENT En+ Group embarked on a new development in hydrogen energy in 2021. With its massive green energy opportunities, En+ is considering hydrogen production by electrolysis using hydrpower. In addition, the Company is interested in facilities for hydrogen transportation over long distances and is considering a project to develop, jointly with partners, cryogenic tank containers for liquid hydrogen transportation. STRATEGIC REPORT En+ Group Annual Report 2021 A new method of multilayer sealing (encapsulation) of perovskite solar cells that does not damage the light-absorbing and organic conductive layers of the devices was developed. The efficiency of encapsulated perovskite solar cells is over 19% and it does not decrease after the devices have been stored in humid air for >1,500 hours, which proves a high resistance to atmospheric factors at ambient temperatures. The samples demonstrate high photostability: encapsulated solar cells retain 93% of the initial efficiency after 1,000 hours of irradiation with white light with a power of 90-110 MW at a temperature of 21-28°C. The optimum conditions for the synthesis of single-phase hybrid perovskite films with the target morphology and composition were confirmed by applying reactive polyhalide ink to the surface of a lead-containing precursor film and immersing the precursor film in a solution. of iodine and polyhalides in non-polar solvents. The high photostability of the synthesised films was demonstrated in comparison with the samples synthesised using the classical solution technique. Test perovskite solar cells with an efficiency of more than 17% were produced using improved approaches to the synthesis of AMX3 films using polyhalides. It was demonstrated that the solar cells produced using the approaches developed by the project team are highly competitive with conventional test samples in terms of photostability and retain at least 99-100% of the initial efficiency after exposure to >800 hours of white light irradiation at 100 MW/cm² in humid air at room temperature. New computer modelling and machine learning algorithms were developed to predict the properties of hybrid perovskite-like materials. H₂ 2 68 F The Company is working on developing hydrogen usage and is exploring opportunities for supplying hydrogen to consumers in Russia and abroad, and also plans to participate in a project to build hydrogen fuelling stations in Siberia STRATEGIC REPORT CORPORATE GOVERNANCE FINANCIAL STATEMENTS APPENDICES 69
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