These results align with the previously published research investigating photovoltaic-thermal solar ... the U-tube if better design solutions were used. Similarly, a …
Monte Carlo ray tracing, coupled to a finite volume solver, is used to model 3D heat transfer in a parabolic trough solar concentrator system. The nonuniform distribution of …
Solar steam generation is critical for many important solar-thermal applications, but is challenging to achieve under low solar flux due to the large evaporation enthalpy of water. Here, we …
Facing the globally occurring water scarcity situation, solar-driven water evaporation or solar steam generation is considered as a promising technology for potential applications in desalination and clean water preparation 1, 2, 3, as solar energy is the only energy input to purify brine or polluted water.
Although significant advances have been achieved in developing solar-driven water evaporators for seawater desalination, there is still room for simultaneously enhancing …
With the formation of an international carbon-neutral framework, interest in reducing greenhouse gas emissions is increasing. Ammonia is a carbon-free fuel that can be …
Here, we report a combination of solution- and neat-film-based molecular solar thermal (MOST) systems, where solar energy can be stored as chemical energy and released as heat, with microfabricated thermoelectric generators to produce electricity when solar radiation is not available.
ABSTRACT: Solar steam generation is critical for many important solar-thermal applications, but is challenging to achieve under low solar flux due to the large evaporation enthalpy of water. …
where ƞ is the overall efficiency of the solar-thermal power generation system, ƞ solar thermal is the solar-to-thermal conversion efficiency, T 0 is the ambient temperature, and …
In this study, we report a simple and green strategy to fabricate a three-dimensional porous graphene spiral roll (3GSR) that enables highly efficient solar evaporation, salt collection, and water production from near-saturated …
Herein, a robust biomass-based salt-resistant three-dimensional (3D) evaporator is designed and developed, which is composed of bamboo leaf-derived carbon (BLC) and heat …
The generator can produce, as a proof of concept, a power output of up to 0.1 nW (power output per unit volume up to 1.3 W m −3 ). Our results demonstrate that such a molecular thermal power generation system has a high potential to store and transfer solar power into electricity and is thus potentially independent of geographical restrictions.
In this study, we report a simple and green strategy to fabricate a three-dimensional porous graphene spiral roll (3GSR) that enables highly efficient solar evaporation, salt collection, and water production from near-saturated brine with zero liquid discharge (ZLD).
As a sustainable desalination technology, direct solar desalination has the advantages of low cost, off-grid capability, and zero carbon footprint, and is particularly useful …
The ideal solar evaporator should possess excellent thermal insulation properties that effectively confine a significant amount of heat on the evaporation surface while minimizing heat conduction losses to the underlying …
When the hierarchical graphene foam is used for photothermal solar steam generation, it can obtain a maximum solar-thermal conversion efficiency as high as 93.4%. Wu et al, ... electric power generation, catalysis …
Herein, a one-step, low-cost, and easy-to-manufacture synthesis of a three-dimensional macroporous solar steam generator is reported based on polypyrrole coated natural latex (PPy …
Given that three-dimensional (3D) structural scaffold can ameliorate shape stability and thermal conductivity simultaneously, a novel double-layered multifunctional 3D …
High salinity, 25.0 wt% of sodium chloride (NaCl) solution, is prepared as the representative brine sample to demonstrate the solar desalination capability and durability of the biomimetic 3D evaporator. The desalination process is recorded by a camera.
Moreover, paraffin-type PCM with a high latent heat of 220 J g −1 was innovatively introduced in this 3D hierarchical solar evaporator for heat storage and release. The simulation data of PCM phase-change behavior in a 3D solar evaporator show that the inner PCM layer can improve the utilization efficiency of solar energy.
materials, which allow sunlight to be stored and released as chemical energy on demand. Wang et al. demonstrate a molecular thermal power generation system that stores solar energy and …
Water and energy scarcity are the challenges for humankind in the coming years. Sun is the largest source of energy available on the planet. Also, brackish seawater …
The ideal solar evaporator should possess excellent thermal insulation properties that effectively confine a significant amount of heat on the evaporation surface while …
By leveraging thermal-chemical reactions, these cycles can produce hydrogen from water, relying less on catalysts and more on the cycle''s substances.TWSCs offer several …
As the photovoltaic (PV) industry continues to evolve, advancements in Three-dimensional chemical solar thermal power generation have become critical to optimizing the utilization of renewable energy sources. From innovative battery technologies to intelligent energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
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