Development of an Energy Conversion System Based on Multifunctional Photovoltaic Converters

При использовании материалов журнала необходимо указывать источник Авторы статей несут ответственность за содержание статей и за сам факт их публикации. Орг. Комитет конференции не всегда разделяет мнения авторов и не несет ответственности за недостоверность публикуемых данных ине несет никакой ответственности перед авторами и/или третьими лицами и организациями за возможный ущерб, вызванный публикацией статьи. При использовании материалов журнала необходимо указывать источник Авторы статей несут ответственность за содержание статей и за сам факт их публикации. Орг. Комитет конференции не всегда разделяет мнения авторов и не несет ответственности за недостоверность публикуемых данных ине несет никакой ответственности перед авторами и/или третьими лицами и организациями за возможный ущерб, вызванный публикацией статьи. Conference on Digital Innovation: «Modern Problems and Solutions» ZAMONAVIY TA'LIM TIZIMIDAGI DOLZARB MUAMMOLAR: INNOVATSION YONDOSHUVLAR VA YECHIMLAR On-Line ilmiy konferensiya Muhammad al-Xorazmiy nomidagi TATU Farg’ona filiali LLC "Fer-Teach" При использовании материалов журнала необходимо указывать источник Авторы статей несут ответственность за содержание статей и за сам факт их публикации. Орг. Комитет конференции не всегда разделяет мнения авторов и не несет ответственности за недостоверность публикуемых данных ине несет никакой ответственности перед авторами и/или третьими лицами и организациями за возможный ущерб, вызванный публикацией статьи. Tashkiliy qo‘mita a’zolari Rais: B.Z.Polvonov – Muhammad al-Xorazmiy nomidagi TATU Farg‘ona filiali direktorining ilmiy ishlar va innovatsiyalar bo‘‘icha o‘rinbosari A’zolar: T.M.Abdullayev – t.f.b. Ph.D., TATU Farg’ona filiali, Farg‘ona, O’zbekiston. N.I.Ibrokhimov – f.-m.f.b. Ph.D., TATU Farg’ona filiali, Farg‘ona, O’zbekiston. A.R.Nurmatov – tarix f.b. Ph.D., NamDU, Farg‘ona, O’zbekiston. D.F.To‘xtasinov - ped.f.b. Ph.D., TATU Farg’ona filiali, Farg‘ona, O’zbekiston. S.B.Atajonova - ped.f.b. Ph.D, AndMI, Andijon O’zbekiston Sh.A.Umarov - f.-m.f.b. Ph.D., TATU Farg’ona filiali, Farg‘ona, O’zbekiston. I.A.Rustamov - fal.f.b. Ph.D., TATU Farg’ona filiali, Farg‘ona, O’zbekiston. Nashrga tayyorlovchilar: S.I.Zokirov, Z.N.Xatamova, O.Porubay Muharrir: S.I.Zokirov - Muhammad al-Xorazmiy nomidagi TATU Farg‘ona filiali ITI va IPKT bo‘limi boshlig‘i Zamonaviy ta'lim tizimidagi dolzarb muammolar: innovatsion yondoshuvlar va yechimlar Conference on Digital Innovation : “Modern Problems and Solutions” 275 Development of an Energy Conversion System Based on Multifunctional Photovoltaic Converters Burkhonova Malokhat Mamirovna Fergana branch of TUIT, Senior Lecturer Abstract This paper presents the design and development of an innovative energy conversion system based on multifunctional photovoltaic (PV) converters. The study aims to enhance the overall efficiency of solar energy utilization by integrating photo-thermoelectric and photovoltaic mechanisms into a unified conversion structure. Experimental and simulation-based methods were applied to investigate hybridized energy conversion processes, thermal management strategies, and material optimization for improved performance. The proposed system demonstrates significant improvements in energy conversion efficiency, thermal stability, and adaptability for various environmental conditions, showing strong potential for renewable energy generation and sustainable power applications. Keywords: Multifunctional photovoltaic converter, hybrid energy system, thermoelectric effect, solar energy conversion, nanomaterials, energy efficiency. Introduction The rapid growth of global energy demand and the depletion of fossil fuel resources have driven the exploration of renewable energy technologies, particularly solar energy conversion. Photovoltaic (PV) systems have become one of the most promising technologies for direct conversion of solar radiation into electrical energy. However, conventional single-junction PV cells are limited by the Shockley– Queisser limit, which restricts their theoretical efficiency to approximately 33%. To overcome these limitations, researchers have explored various hybrid and multifunctional approaches combining photovoltaic, photothermal, and thermoelectric effects. Multifunctional photovoltaic converters (MPCs) integrate multiple energy conversion mechanisms within a single device, allowing the simultaneous utilization of photons and thermal energy. The objective of this research is to design and develop a high-efficiency energy conversion system based on MPCs. The system leverages nanostructured materials and hybrid architectures to maximize light absorption, carrier mobility, and thermal energy recovery. The proposed concept has the potential to significantly increase energy output and provide a new pathway for next-generation solar energy technologies. Materials and Methods The multifunctional converter operates by integrating a photovoltaic junction with a thermoelectric module, thereby allowing dual energy harvesting. The upper layer of the device captures incident photons and generates electron-hole pairs, while the lower thermoelectric section converts waste heat into additional electrical Zamonaviy ta'lim tizimidagi dolzarb muammolar: innovatsion yondoshuvlar va yechimlar Conference on Digital Innovation : "Modern Problems and Solutions" 276 energy. Advanced nanostructured materials were utilized for both photovoltaic and thermoelectric layers, including perovskite-based semiconductors (CH₃NH₃PbI₃) for the photovoltaic section and bismuth telluride (Bi₂Te₃) for the thermoelectric section. A graphene-based interfacial layer was applied to enhance electrical contact and thermal coupling. Simulations were performed using COMSOL Multiphysics for thermal–electrical modeling and MATLAB for power performance analysis. Experimental validation was conducted on a prototype fabricated using thin-film deposition. The system’s key parameters, such as efficiency, thermal stability, and output power, were measured under varying temperature and illumination conditions. Results Simulation results indicated that the integration of thermoelectric layers increased the overall conversion efficiency by approximately 18–22% compared to conventional PV systems. The fabricated MPC prototype achieved a total energy conversion efficiency of 28.7%, which represents a substantial improvement over traditional silicon-based cells. Thermal imaging confirmed efficient heat dissipation and structural stability. Scanning electron microscopy revealed uniform nanostructure distribution and improved interfacial bonding across layers. Discussion and Conclusion The results validate the effectiveness of the multifunctional photovoltaic converter as a high-efficiency hybrid energy conversion system. The synergistic integration of photovoltaic and thermoelectric effects enables simultaneous utilization of both photon and thermal energies, enhancing overall system performance. The application of advanced nanomaterials plays a crucial role in improving carrier transport and reducing energy losses. Future work should focus on scalability, cost reduction, and long-term stability under real-world conditions. In conclusion, multifunctional photovoltaic converters represent a promising direction for the future of solar energy technology, combining high efficiency with sustainable operation. References 1. Green, M. A., et al. “Solar Cell Efficiency Tables (Version 64).” Progress in Photovoltaics: Research and Applications, 2024. 2. Ren, S., et al. “Hybrid Nanomaterials for Photothermal and Thermoelectric Energy Conversion.” Nano Energy, 2023. 3. Gao, F., et al. “Perovskite-Based Photovoltaic and Photothermal Hybrid Devices.” Advanced Materials, 2022. 4. Yang, J., et al. “Multifunctional Energy Conversion Systems: Principles and Applications.” Renewable Energy Reviews, 2021. 5. Kim, H. S., et al. “Thermoelectric and Photovoltaic Integration for Enhanced Solar Energy Harvesting.” Applied Physics Letters, 2020. MUNDARIJA Conference on Digital Innovation : "Modern Problems and Solutions" Сурункали юрак етишмовчилиги хасталигида бўлмачалар фибрилляцияси учраш холатлари, этиологик омиллари ва клиник белгиларини ўзига хос хусусиятлари .......................................................... 246 Б.А.Авазбеков, Г.М.Тулабоева, Х.Х.Турсунов, Ю.Ш.Талипова, Ш.С.Собирова Boshlang‘ich ta’limda o‘quvchilarning mustaqil fikrlash qobiliyatini rivojlantirishning metodik asoslari ................................................................. 248 Qo’chqorov Jo’rabek Shuxrat o’g’li, Mohichexra Ruziyeva Yakubovna Boshqaruv hisobini tashkil qilish .................................................................... 252 Mo'minov Diyorbek Zuxriddin o'gli, Xudaynazarova Dilnoza Gafurovna Kassadagi pul mablag‘lari hisobi .................................................................... 255 Po‘latov Orzubek Fazliddin o‘g‘li, Xudaynazarova Dilnoza Gafurovna Xususiy kapital hisobi ...................................................................................... 258 Yoʻldoshev Muhammadqodir Sirojiddin oʻgʻli, Xudaynazarova Dilnoza Gafurovna Сравнительный анализ традиционных и интеллектуальных акустических систем безопасности.............................................................. 262 Т.Абдухафизов Тепловые явления в полупроводниках: термоэлектричество и термоэлектрические материалы.................................................................. 265 Санжар Зокиров, Маъсуд Норбутаев Ma’lumotlar bazasi fanini o‘qitishda sun’iy intellekt va mashinali o‘rganish imkoniyatlaridan foydalanish.......................................................................... 267 Ziyaudinov Muxammad Maxmudovich Mobil qurilmalarda raqamli izlarni aniqlash uchun mashinani o‘rganish usullaridan foydalanish ................................................................................... 269 Rahimov Zoirjon Akramjonovich Внедрение технологии беспилотных летательных аппаратов для мониторинга сельскохозяйственных угодий и распыления пестицидов ........................................................................................................................... 271 Мухторов Нумонхон Махаммадович Axborotlar xuruji davrida “Kiberxavfsizlik asoslari” fanini o‘qitishning dasturiy-metodik tizimini takomillashtirish: tajriba-sinov natijalari asosida yondashuv ......................................................................................................... 273 Muxtarov Farrux Muhammadovich Development of an Energy Conversion System Based on Multifunctional Photovoltaic Converters .................................................................................. 275 Burkhonova Malokhat Mamirovna