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Concentrated solar power: technology, economy analysis, and policy implications …
Renewable energy plays a significant role in achieving energy savings and emission reduction. As a sustainable and environmental friendly renewable energy power technology, concentrated solar power (CSP) integrates power generation and energy storage to ensure the smooth operation of the power system. However, the cost of CSP …
Hybrid solar energy device for simultaneous electric power …
Two main issues are (1) PV systems'' efficiency drops by 10%–25% due to heating, requiring more land area, and (2) current storage technologies, like batteries, rely …
Chip-scale solar thermal electrical power generation
Their suitable photophysical properties let us combine them individually with a microelectromechanical ultrathin thermoelectric chip to use the stored solar energy for electrical power generation. The …
Silicon integrated circuit thermoelectric generators with a high specific power generation capacity | Nature …
Silicon integrated circuit thermoelectric generators with a ...
Micromachines | Free Full-Text | Ultra-High Concentration Vertical Homo-Multijunction Solar …
This paper examines advances in ultra-high concentration photovoltaics (UHCPV), focusing specifically on vertical multijunction (VMJ) solar cells. The use of gallium arsenide (GaAs) in these cells increases their efficiency in a range of applications, including terrestrial and space settings. Several multijunction structures are designed to maximize …
Hybrid high-concentration photovoltaic system designed for …
Thus the proposed novel solar power system is useful for reaching optimal solar power generation under different ... Sierra, C. & Vazquez, A. J. High solar energy concentration with a Fresnel lens ...
Thermal analysis of a high concentration photovoltaic/thermal …
This paper presents a solar photovoltaic/thermal (PV/T) system with triple-junction solar cells. The essential components of the system are a concentrator of high concentration ratio, a PV/T module and a tracking device. Plane-mirrors array structure is applied to the ...
Thermoelectric system investigation with the combination of solar concentration, greenhouse and radiative cooling for all-day power generation ...
Thermoelectric generator (TEG) can utilize solar heating to generate electricity without any fossil fuel consumption. However, conventional solar driven TEG fails to achieve high efficiency power generation for 24-h, due to the losing of solar concentration at the hot ...
Solar steam generation: Steam by thermal concentration | Nature Energy
The solar-driven generation of water steam at 100 °C under one sun normally requires the use of optical concentrators to provide the necessary energy flux. Now, thermal concentration is used to ...
An integrated system with functions of solar desalination, power generation …
Solar-driven water evaporation is a sustainable method for obtaining clean water, but the use of high-salinity seawater as a by-product of the desalination process has not been exploited. Here we ...
Power Generation on Chips: Harvesting Energy From the Sun …
Power Generation on Chips: Harvesting Energy From the Sun and Cold Space Shuai Zhang, Zhenhua Wu ... high solar-thermal conversion efficiency, and loaded it on the hot side of a patterned planar ...
CN102820363A
A solar high-concentration power-generating chip heat-insulation seat comprises a cone, a conical through cavity is reserved in the cone, a light-reflecting coating is coated on the surface of the conical through cavity, symmetrically-arrayed heat-insulation seat bases ...
High-concentration hydrogen peroxide production by solar …
Solar interfacial catalysis system is designed to produce high-concentration H 2 O 2. • The photocatalyst''s activity is enhanced by efficiently utilizing solar-converted heat. • H 2 O 2 concentration reaches 46 mM for per gram photocatalyst in 1 h irradiation. •
Assessment of concentrated solar power generation potential in …
Concentrating solar power (CSP) plays an important role in China''s carbon neutrality path. • The geographical, technical, and CO 2 emission reduction potential of CSP in China was evaluated by province. Approximately 1.02 × 10 6 km 2 of land (11% of land area) can support CSP development. ...
Concentrator photovoltaics (CPV)
Concentrator photovoltaics (CPV) or also called "concentration photovoltaics" is a type of photovoltaic (PV) technology that generates electricity coming from solar energy. For generating electricity CPV uses lenses or curved mirrors to focus sunlight onto small, high ...
Optimal configuration of concentrating solar power generation in power system with high share of renewable energy …
Fig. 2 illustrates how the ranges of the CSP''s net output (p net, the horizontal coordinate, defined by equation (1)) and TES''s thermal exchange (q TES, the fill color) vary with different levels of solar radiation, which is measured using the thermal output of the solar field (q SF, the vertical coordinate). ...
Chip-scale solar thermal electrical power generation
development, less than 100 C, which is not high enough to be utilized for electrical power generation by traditional means.Therefore, it is necessary to match the MOST systems with high-efficiency and sensitive TE devices to effectively utilize this relatively low-grade
Solar Cogeneration of Electricity with High …
In this article, we integrate and demonstrate a system that generates solar electricity and high-temperature heat in a modular, small footprint, low cost, and high-efficiency design. We show for the first time …
Special paper Integrated high-concentration PV near-term alternative for low-cost large-scale solar electric power …
High-Concentration PV systems offer several distinct advantages for low-cost power generation: (a) cost reduction through 318 K Garboushian et al./Solar Ener~, Materials and Solar Cells 47 (1997) 315-323 reduction in silicon area a traditional silicon 10 c…
Power Generation on Chips: Harvesting Energy From the Sun …
Environmental energy source is abundant, inexhaustible, ubiquitous, and free. However, harvesting thermal energy from the environment to generate uninterrupted electricity is still challenging. Herein, a power device to simultaneously harvest energy from the sun and cold space based on a microfabricated thermoelectric generator (TEG) …
Novel double-stage high-concentrated solar hybrid photovoltaic/thermal (PV/T) collector with nonimaging optics and GaAs solar …
A novel hybrid concentrating photovoltaic thermal (PV/T) collector is developed. • Thermal component achieves 60× concentration using nonimaging optics. • GaAs solar cells used as spectrally selective mirrors for low energy photons. • Thermal efficiencies of 37% ...