Solar-Based Polygeneration Systems for a Carbon Neutral Future with Focus on Hydrogen Production: A Comprehensive Review

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

🔬研究者:Provides a structured overview of PVT and CPVT systems for hydrogen production, useful for identifying research gaps in system integration and efficiency optimization.

🏢実務担当者:Offers insights into the technical performance and configuration options for solar-based polygeneration, aiding feasibility assessments for industrial or building-level decarbonization projects.

🏛政策担当者:Highlights the potential of CPVT systems for achieving energy efficiency and hydrogen production targets, supporting policy design for integrated renewable energy systems.

Solar-driven energy systems have made a significant contribution to accomplishing global sustainability goals and reducing greenhouse gas emissions and pollutant levels. The increase in the development of multigeneration systems is predominantly significant because these systems efficiently address the growing and diverse demands for energy. Simultaneously, hydrogen has emerged as a promising alternative fuel, garnering considerable attention for its potential to replace conventional energy sources. In addition to hydrogen, other distinctive outputs, such as power, heating, cooling, domestic hot water, and freshwater demands, can be met using this technology. As solar energy is used extensively for electricity and heat generation, photovoltaic–thermal (PVT) systems are emerging as highly reliable and capable approaches for sustainable energy solutions. This study emphasizes the inclusion of hydrogen production methods into polygeneration systems. Recent progress in concentrated photovoltaic-thermal and photovoltaic-thermal technologies, focusing on improvements in system performance. This study concludes that different system configurations and the incorporation of new technologies have significantly optimized PVT designs. Looking ahead, PVT systems offer a promising route for clean energy production. The integration of PVT and combined cooling, heat, and power (CCHP) technologies marks a transformative step toward achieving net-zero energy buildings and decarbonized energy systems, making them a crucial element in the global transition to clean and efficient energy production. Further progress in cost competitiveness could drive broader adoption. Additionally, it presents the growing demand to explore the potential of green hydrogen as an energy source and energy carrier. The study concludes that concentrated photovoltaic–thermal (CPVT) systems demonstrate outstanding performance in solar-based multigeneration applications, achieving energy efficiency as high as 78.93% and exergy efficiency of up to 65%. These high values underscore the capability of CPVT technology to effectively harness both electrical and thermal energy, making it highly suitable for integrated systems targeting hydrogen production, heating, and cooling.

• openalex https://doi.org/10.46488/nept.2026.v25i02.b4362first seen 2026-05-05 19:12:21