Results 41 to 50 of about 5,942 (312)

Energy performance of a solar tower power plant equipped with a three-dimensional compound parabolic concentrator

Energy Conversion and Management: X
The operation of Solar Tower Power (STP) plants requires high solar concentration for power generation. In this study, a Three-Dimensional Compound Parabolic Concentrator (3D-CPC) is used to increase the solar concentration within the receiver and ...
Kory Faye, Ababacar Thiam, El hadji I. Cissé, Mactar Faye, Vincent Sambou   +4 more
doaj   +1 more source

Mimicking Silent Synapse Recruitment: A SiOx/Cu‐Pancake Memristive Device For Analog Neuromorphic Computing

Advanced Functional Materials, EarlyView.
Electroforming‐free TiN/SiOx/Cu/SiOx/TiN memristive devices exploit pancake‐like Cu nanoparticles embedded in a SiOx double layer to create a heterogeneous Schottky‐barrier landscape. Under bias, oxygen‐vacancy redistribution progressively lowers local barriers and recruits initially inactive Cu‐PC pathways into a parallel conduction ensemble, enabling
Rouven Lamprecht, Ole Gronenberg, Sahitya Yarragolla, Tobias Gergs, Richard Marquardt, Victor Witte, Jürgen Carstensen, George Popkirov, Jan Trieschmann, Lorenz Kienle, Hermann Kohlstedt   +10 more
wiley   +1 more source

Ambient‐Stable Transparent P‐Type CuI Transistors Via Room‐Temperature Pulsed Laser Deposition

Advanced Functional Materials, EarlyView.
An in situ PLD fabricated AlOx${\rm AlO}_x$/CuI/AlOx${\rm AlO}_x$ sandwich structure enables stable CuI TFTs with a field‐effect mobility of 2.3 ±$\pm$ 0.7 cm2${\rm cm}^{2}$ V−1${\rm V}^{-1}$ s−1${\rm s}^{-1}$ and excellent ambient stability. Complementary inverters based on CuI:Rb and ZnO:Al exhibit rail‐to‐rail voltage transfer characteristics and an
Yang Chen, Susanne Selle, Michael S. Bar, Michael Lorenz, Holger von Wenckstern, Marius Grundmann   +5 more
wiley   +1 more source

The solar power tower Jülich – a solar thermal power plant for test and demonstration of air receiver [PDF]

, 2007
The paper explains the fundamentals of the open volumetric receiver technology and shows the history of its development. It gives technical information about the system definition and the engineering of the Solar Power Tower Jülich.
Schwarzbözl, Peter, Hartz, Thomas, Hoffschmidt, Bernhard, Beuter, Matthias, Koll, Gerrit, Göttsche, Joachim, Hennecke, Klaus   +6 more
core  

Energetic Comparison of Linear Fresnel and Parabolic Trough Collector Systems [PDF]

, 2012
Within the last years, Linear Fresnel (LF) collector systems have been developed as a technical alternative to parabolic trough collector (PT) systems. In the past, LF systems focused on low- and medium temperature applications.
Heiko Schenk, Jan Fabian Feldhoff, Michael Wittmann, Wittmann, Michael, Tobias Hirsch, Feldhoff, Jan Fabian, Hirsch, Tobias, Schenk, Heiko   +7 more
core   +1 more source

An overview on energy and exergy analysis of solar thermal collectors with passive performance enhancers

Alexandria Engineering Journal, 2022
The evaluations of Energy and Exergy are very useful for enhancing the performance and diminishing irreversibility of the solar thermal collectors respectively.
M. Murugan, A. Saravanan, P.V. Elumalai, Pramod Kumar, C. Ahamed Saleel, Olusegun David Samuel, Muji Setiyo, Christopher C. Enweremadu, Asif Afzal   +8 more
doaj   +1 more source

Halide Perovskite Integrated Photovoltaic Cathodes Incorporating Pt on ZIF‐8‐Derived Carbon for Solar Hydrogen Production

Advanced Functional Materials, EarlyView.
A low‐Pt catalyst supported on zeolitic imidazolate framework (ZIF‐8)‐derived porous carbon and graphite is integrated with a halide perovskite photovoltaic, yielding cathodes that achieve a high photocurrent density (∼20 mA cm−2) under simulated sunlight and exhibit remarkable stability in acidic media over several days, thereby demonstrating a ...
Na Yeong Oh, Woo Jin Mun, Kamran Dastafkan, Matyas Daboczi, Hongki Kim, Humza Bhatti, Eunyoung Hong, Minzhi Chen, Yongqi Huang, Jin Hyuk Kim, Nicola Gasparini, Jong Hak Kim, Salvador Eslava   +12 more
wiley   +1 more source

Stepwise On‐Surface Synthesis and Transformations of Two‐Dimensional Covalent Organic Frameworks by Controlled Thermal Stimuli

Advanced Materials, EarlyView.
The seminal transformation of a 2D‐COF (SURFCOF‐IMDEA1) into a 2D porous COF (SURFCOF‐IMDEA2) on Au(111) by a sequential C‐C coupling and ladderization triggered by thermal annealing steps at increasing temperatures is reported. Abstract The development of covalent organic frameworks (COFs) is currently a primary objective in materials science, taking ...
Ana Barragán, Elena Pérez‐Elvira, Diego J. Vicent, Marco Lozano, Diego Soler‐Polo, Koen Lauwaet, José M. Gallego, Rodolfo Miranda, José I. Urgel, Pavel Jelínek, Nazario Martín, David Écija   +11 more
wiley   +1 more source

Infrared-Reflective Coating on Fused Silica for a Solar High-Temperature Receiver [PDF]

, 2007
In concentrating solar power, high-temperature solar receivers can provide heat to highly efficient cycles for electricity or chemical production. Excessive heating of the fused-silica window and the resulting recrystallization are major problems of high-
Polenzky, Christina, Neumann, Frank, Uhlig, Ralf, Rickers, Christoph, Röger, Marc   +4 more
core  

Thermal and mechanical stresses in bayonet tubes of solar central receivers working with molten salt and liquid sodium

Results in Engineering, 2020
One of the most promising technologies for solar thermal power are solar power towers (SPTs), in which direct solar radiation is redirected by heliostats to a receiver located on top of a tower.
Rafael Pérez-Álvarez, Antonio Acosta-Iborra, Domingo Santana   +2 more
doaj   +1 more source