Results 31 to 40 of about 151,992 (206)

Solar Energy Conversion and Electron Storage by a Cu2O/CuO Photocapacitive Electrode

, 2023
Solar conversion devices are generally connected with energy storage systems to overcome the influence of sunlight variability. Developing an integrated solar energy conversion and storage device is an attractive approach to compensate for the energy ...
Ruifen Zhang, Yongpeng Xia, Xin Wen, Huangjun Xue, Haolan Zhan, Zongquan Zou, Lixian Sun, Cheng Fu, Fen Xu   +8 more
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A review of solar collectors and thermal energy storage in solar thermal applications [PDF]

, 2013
Thermal applications are drawing increasing attention in the solar energy research field, due to their high performance in energy storage density and energy conversion efficiency. In these applications, solar collectors and thermal energy storage systems
Zhao, Changying, Tian, Yuan, Tian, Y. (Yuan), Zhao, C.Y.   +3 more
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Mesoporous Materials for Electrochemical Energy Storage and Conversion [PDF]

, 2020
Developing high-performance electrode materials is an urgent requirement for next-generation energy conversion and storage systems. Due to the exceptional features, mesoporous materials have shown great potential to achieve high-performance electrodes ...
Wei Zhang, Longbing Qu, Zhang, W, Liangliang Liu, Zu, Lianhai, Zhang, Wei, Zhao, D, Lianhai Zu, Li, Wei, Dongyuan Zhao, Zhao, Dongyuan, Liu, Liangliang, Liu, L, Yu, A, Qu, Longbing, Yu, Aibing, Wei Li, Zu, L, Li, W, Aibing Yu, Qu, L   +20 more
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Tuning the resistive switching in tantalum oxide-based memristors by annealing

AIP Advances, 2020
A key step in engineering resistive switching is the ability to control the device switching behavior. Here, we investigate the possibility to tune the resistive switching of tantalum oxide (TaOx)-based memristors from a non-switchable state to a ...
Yang Li, Y. Eren Suyolcu, Simone Sanna, Dennis Valbjørn Christensen, Marie Lund Traulsen, Eugen Stamate, Christian Søndergaard Pedersen, Peter A. van Aken, Juan Maria García Lastra, Vincenzo Esposito, Nini Pryds   +10 more
doaj   +1 more source

Switching Logic for a Direct Hybrid Electric Powertrain

Aerospace
Hybrid electric aircraft with a powertrain based on fuel cells and batteries can reduce climate-active emissions in aviation. In a direct hybrid powertrain, the fuel cell and the battery are connected in parallel, without a DC/DC converter balancing ...
Robin Fonk, Tobias Graf, Sven Paeßler, Christiane Bauer, Josef Kallo, Caroline Willich   +5 more
doaj   +1 more source

Optimal Sizing of Fuel Cell and Battery in a Direct-Hybrid for Electric Aircraft

Aerospace
The climate impact of aviation can be reduced using powertrains based on hydrogen fuel cells and batteries. Combining both technologies in a direct-hybrid without a DC/DC converter is a promising approach for light-weight systems.
Tobias Graf, Robin Fonk, Christiane Bauer, Josef Kallo, Caroline Willich   +4 more
doaj   +1 more source

μ 2T(n): a method for extracting the density dependent mobility in two-terminal nanodevices

Communications Engineering
Measuring carrier mobility as a function of the carrier density in semiconductors using the Hall effect is the gold standard for quantifying scattering mechanisms. However, for nanostructures, the standard Hall geometry is not applicable, and the density
Christian E. N. Petersen, Damon J. Carrad, Thierry Désiré, Daria Beznasyuk, Jung-Hyun Kang, Dāgs Olšteins, Gunjan Nagda, Dennis V. Christensen, Thomas Sand Jespersen   +8 more
doaj   +1 more source

Unfolding the structural stability of nanoalloys via symmetry-constrained genetic algorithm and neural network potential

npj Computational Materials, 2022
The structural stability of nanoalloys is a challenging research subject due to the complexity of size, shape, composition, and chemical ordering. The genetic algorithm is a popular global optimization method that can efficiently search for the ground ...
Shuang Han, Giovanni Barcaro, Alessandro Fortunelli, Steen Lysgaard, Tejs Vegge, Heine Anton Hansen   +5 more
doaj   +1 more source

Modeling of Hydro-Pneumatic Energy Storage Using Pump Turbines [PDF]

, 2011
Modelling of a hydro-pneumatic energy storage system is presented in this paper. Hydro pneumatic storage aims to combine the good efficiency of hydraulic energy conversion and the space flexibility of pneumatic storage.
COLAS, Frédéric, DAZIN, Antoine, ORTEGO, Egoï, CAIGNAERT, Guy, COUTIER-DELGOSHA, Olivier   +4 more
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Feasibility study of energy storage options for photovoltaic electricity generation in detached houses in Nordic climates

, 2022
Energy storage is an emerging solution to mitigate the intermittency of solar photovoltaic (PV) power generation and includes several technologies that could also be applied in small-scale residential applications.
Sanna Syri, Santasalo-Aarnio, Annukka, Annukka Santasalo-Aarnio, Hyvönen, Johannes, Lehtonen, Matti, Johannes Hyvönen, Matti Lehtonen, Syri, Sanna   +7 more
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