Low-grade heat sources possess the potential to play a pivotal role in sustainable energy systems, revolutionizing our approach to energy generation and utilization. The field of low-grade thermal energy utilization has emerged as a promising frontier in energy research and technology development .
Based on global distribution of solar energy and its feature, this paper discusses a review about solar energy’s utilization techniques, mainly discusses the latest development of photo-thermal and photoelectric utilization technology, which are mature and widely used.
Through looking forward to the development trend of solar energy utilization from the aspects of improving efficiency, reducing cost, and diversifying utilization methods etc., we find that the utilization of solar energy resources has entered the fast track of development.
One of the challenges in solar thermal energy utilization is the identification and optimization of heat transfer fluids capable of withstanding high temperatures, remaining stable over time, and exhibiting favourable thermal properties.
The low-temperature thermal utilization is relatively mature, and it is also the most widely used form of application in, such as the solar heating systems ( Hansen and Vad, 2018 ).
The effective utilization of low-grade thermal energy hinges on the development and implementation of advanced thermal management strategies. These studies collectively contribute to the optimization of thermal control systems, promoting efficiency, safety, and performance across diverse technological domains. 3. Conclusions, outlook and challenges
Revolutionizing solar photovoltaic efficiency: A comprehensive …
Based on the analysis, integrating PETS techniques has the potential to improve solar PV efficiency by a range of 1% to 50%, coinciding with a surface temperature decrease of 1.8 °C to 50 °C in PV panels. Strategies that work well include spectrum filtering, radiative cooling, jet impingement, and rendering Perovskite materials. For future research, …
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Low-grade thermal energy utilization: Technologies and …
Low-grade heat sources possess the potential to play a pivotal role in sustainable energy systems, revolutionizing our approach to energy generation and utilization. The field of low-grade thermal energy utilization has emerged as a promising frontier in energy research and technology development [2]. This field explores innovative ...
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Increasing the Utilization of Solar Energy through the …
Based on our research findings, we propose a model that can be integrated with indoor ventilation systems to increase the solar energy utilization of PVT systems. Using the PVT system, we improved the panel power generation efficiency by up to 5.89% and generated up to a 38.0% higher collection efficiency than that of the PV system.
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Solar energy utilisation: Current status and roll-out potential
PV panels and solar hot-water heaters are currently the most commercialized …
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Low-grade thermal energy utilization: Technologies and …
Approximately half of the global primary energy consumption is wasted in the form of low-grade …
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Solar energy technologies: principles and applications
The solar energy utilization has been classified broadly as low-, medium- and high-temperature system. Low-temperature system such as flat plate collectors works at a maximum temperature of 100°C, whereas medium temperature system such as line focusing technology works at a maximum temperature of 400°C. The high-temperature system such as ...
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Solar energy utilisation: Current status and roll-out potential
PV panels and solar hot-water heaters are currently the most commercialized solar energy technologies, with significant global markets. However, some inherent shortcomings of solar energy, such as its low energy density, intermittency, and cost issues, are acting to limit the development and further global penetration of these technologies. Key ...
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Revolutionizing solar photovoltaic efficiency: A comprehensive …
Based on the analysis, integrating PETS techniques has the potential to …
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Influence of operating conditions on solar energy utilization ...
Under experimental conditions, the solar energy utilization efficiency (SEUE) of flat plate solar collectors (FPSC) can reach more than 80%, but the engineering application of SEUE is low, and even the collector heating cannot meet the design requirements.
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Solar medium-low temperature thermal utilization and effect …
Based on the development status of medium and low temperature solar thermal utilization systems, this paper first introduces the application and performance research on subsystems of the solar system including heat collection, heat storage and heat utilization units. It then introduces the theoretical and experimental development of matching ...
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Research on Space Regenerative Fuel Cell System and ...
Key technologies, including low-temperature propellant utilization, fuel cell power generation, product water purification, hydrogen and oxygen electrolysis regeneration, and heat recovery utilization, are studied through integrated analysis of energy utilization in subsystems such as power, propulsion, environmental control, and life support. A modular and …
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Research on Hydrogen Production System Technology Based on …
Solar hydrogen production technology is a key technology for building a clean, low-carbon, safe, and efficient energy system. At present, the intermittency and volatility of renewable energy have caused a lot of "wind and light". By combining renewable energy with electrolytic water technology to produce high-purity hydrogen and oxygen, which can be …
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Review of Research Progress on Concentrated Solar …
Although concentrated solar energy technology has developed rapidly in recent years due to its unique advantages, the disadvantage still lies in the low density of solar radiation energy, uneven distribution, intermittent solar …
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FEASIBILITY OF VARIOUS SMALL-SCALE LOW-TEMPERATURE SOLAR …
the conversion of low-temperature solar thermal energy into power and examines their technical feasibility and thermodynamic performance, as well as their potential for low-investment strategies. With temperatures in the solar collectors limited to 150 oC (300 oF), the suggested energy conversion techniques include flat plate and evacuated tube
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Developing and Study of Low-Temperature Solar Thermal Energy …
Based on its properties of strong scattering and low energy flux, the low-temperature heat can be easily obtained from solar radiation. Solar low-temperature heat utilization is the earliest solar energy conversion means known by humans and widely applied.
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Research progress of seasonal thermal energy storage technology …
Then, a brief review and introduction of some existing PCMs that can be used for seasonal heat storage in low and medium temperature solar energy is-temperature solar energy are presented. Then, a review of the key technology research difficulties and seasonal thermal energy storage system cases based on supercooled PCMs in the existing literature is …
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Status and trend analysis of solar energy utilization technology
Based on global distribution of solar energy and its feature, this paper discusses a review about solar energy''s utilization techniques, mainly discusses the latest development of...
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Low-grade thermal energy utilization: Technologies and …
Approximately half of the global primary energy consumption is wasted in the form of low-grade (i.e., low-temperature) thermal energy, which has been traditionally overlooked and rejected to the environment, leading to low overall energy utiliization efficiencies.
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Solar medium-low temperature thermal utilization and effect …
Based on the development status of medium and low temperature solar …
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Developing and Study of Low-Temperature Solar Thermal Energy …
Based on its properties of strong scattering and low energy flux, the low-temperature heat can …
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Solar energy utilisation: Current status and roll-out potential
This article provides an overview of emerging solar-energy technologies with significant development potential. In this sense, the authors have selected PV/T [2], building-integrated PV/T [3], concentrating solar power [4], solar thermochemistry [5], solar-driven water distillation [6], solar thermal energy storage [7], and solar-assisted heat pump technologies [8].
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Increasing the Utilization of Solar Energy through the Performance ...
Based on our research findings, we propose a model that can be integrated …
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(PDF) Solar Energy Technology
of low energy output efficiency and thermal f ailure due to high solar cell temperature [20]. Solar energy . is currently widely used in various fields because it has unlimi ted reserves; it is ...
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FEASIBILITY OF VARIOUS SMALL-SCALE LOW-TEMPERATURE …
the conversion of low-temperature solar thermal energy into power and examines their …
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Advances in thermal energy storage: Fundamentals and applications
An energy analysis predicts a 48% increase in energy utilization by 2040 [1]. According to the International Energy Agency, total global final energy use has doubled in the last 50 years. In 2020, the energy consumption was dropped by 4.64% 2]. The decrease in 2020 is reportedly due to the slowdown in commercial activities caused by the Covid-19 crisis. The …
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(PDF) Thermal Energy Storage Technology in solar Energy Utilization…
To accomplish the low-carbon energy goal in the building sector, thermal energy storage offers a number of benefits by reducing energy consumption and promoting the use of renewable energy sources ...
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High-Temperature Solar Energy Utilization | Frontiers Research …
Concentrated solar power with an ultrahigh temperature higher than 600°C is an emerging technology to cut down the fossil fuel consumptions. A high-temperature particle receiver may drive a new power cycle with higher efficiency or to drive energy density industrial applications, such as alumina calcination, producing petrochemicals, cement, and steel processes that …
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