Phase-change nanofluids based on n-octadecane emulsion and phosphorene nanosheets for enhancing solar photothermal energy …
Organic PCMs are referred as thermal energy-storage materials for solar photothermal energy storage and release accordingly. However, the low thermal conductance (0.10–0.35 W m −1 K −1) and solid-to-liquid phase-transition nature of the organic PCMs 5 ...
The reinforced photothermal effect of conjugated dye/graphene oxide-based phase change materials: Fluorescence resonance energy …
The composites effectively stored thermal energy through phase transition triggered by solar-to-thermal energy conversion under solar illumination with a high energy storage efficiency of 88.6%. GO sheets modified with anthraquinone dyes (GO-co-Bdye)
Flexible highly thermally conductive biphasic composite films for multifunctional solar/electro-thermal conversion energy storage …
These findings suggest that PCMs can rapidly convert solar energy into thermal energy, facilitating the storage and release of thermal energy. In Fig. 7 (a), we present the maximum temperature attained by samples S2, S4, S5, and S6 under simulated sunlight of 1080 Mw/cm 2 .
A study on novel dual-functional photothermal material for high-efficient solar energy harvesting and storage …
Therefore, to ensure a consistent and sustainable supply of solar energy, it is crucial to develop an advanced heat-energy storage technology. Among the numerous thermal-storage techniques, latent-heat storage by phase change materials (PCMs) is useful as PCMs exhibit a high energy-storage density and maintain a stable heat …
Improving the Thermal and Photothermal …
Molten salts are widely used as thermal energy storage materials for solar thermal applications, but they suffer from low photothermal conversion efficiency and potential leakage and corrosion …
Enhancing the heat transfer and photothermal conversion of salt hydrate phase change material for efficient solar energy …
In addition, PCM with high photothermal conversion efficiency are critical to realizing efficient solar energy storage and utilization. Previous studies have demonstrated that photothermal materials such as CuO [16], carbon nanotubes [17], black phosphorus [18], graphene nanoplatelets [19], Fe 3 O 4 [20], and copper sulfide [21] can significantly …
Enhancing solar photothermal conversion and energy storage …
Enhancing solar photothermal conversion of phase-change microcapsules in addition to high heat storage capacity and good thermal stability is desired in solar collection and storage applications. Modifying the shell of the microcapsules with sunlight absorber nanoparticles has been studied to obtain dual-function: …
Interfacial solar evaporator synergistic phase change energy storage for all …
By the combination of photothermal conversion and photothermal energy storage, the as-prepared solar steam evaporator achieves a high evaporation rate of 2.62 kg m −2 h −1 and excellent solar-to-vapor efficiency of 92.7% under 1 …
Photothermal catalysis: From fundamentals to practical applications
Photothermal catalysis is a technique sharing the same goal with photocatalysis to harvest solar energy for initiation of chemical processes, but completely differs from photocatalysis in reaction mechanism. In this process, when a …
Dynamic absorption of bulk phase-change materials for photothermal solar energy storage …
DOI: 10.1360/sst-2022-0359 Corpus ID: 256891109 Dynamic absorption of bulk phase-change materials for photothermal solar energy storage based on reversible thermochromic Purpose This paper aims to establish a …
Photothermal Devices for Sustainable Uses Beyond …
Except for directly acquiring electric energy from the evaporation system, solar energy can be stored in hydrogen by coupling photocatalytic hydrogen generation with photothermal evaporation. The …
Study on characteristics of photovoltaic and photothermal coupling compressed air energy storage …
Fig. 2 shows the CAES system coupling with solar energy, Photovoltaic power generation provides the required electrical energy for compressors. When the photothermal energy storage part is not used, other thermal storage media are used to store the internal ...
Recent advances and perspectives in solar photothermal conversion and storage …
The SPCS is an energy storage unit for solar thermal conversion, and the storage system is mainly composed of PCMs. Energy storage materials undergoing phase changes can be classified as solid-solid, solid-liquid, solid-gas, or liquid-gas, depending on the composition of the matter both before and after the phase change.
,Journal of Energy Storage …
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Harvesting solar energy with a Ni-MOF-based evaporator for efficient solar thermal storage …
Harvesting solar energy for efficient photothermal conversion and steam generation over solar evaporators is particularly significant in the context of comprehensive solar utilization toward solving the global shortage of fresh water. Herein, a flexible Ni-based metal–organic framework composite (NMC) with h
Intrinsically lighting absorptive PANI/MXene aerogel encapsulated PEG to construct PCMs with efficient photothermal energy storage …
Low photothermal conversion efficiency and difficulty in thermal energy storage are still obstacles during the solar energy utilization and conversion [9]. In order to solve the above problems, finding a suitable thermal storage material with photothermal conversion capability for long-term solar thermal energy storage has become a research …
A Review on Photothermal Conversion of Solar …
In this review, we comprehensively summarized the state-of-the-art photothermal applications for solar energy conversion, including photothermal water evaporation and desalination, photothermal …
Elevating the Photothermal Conversion Efficiency of Phase …
To alleviate the predicament of resource shortage and environmental pollution, efficiently using abundant solar energy is a great challenge. Herein, we prepared unique …
Phase-changing hydrogels incorporated with copper sulfide-carbon nanotubes for smart thermal management and solar energy storage …
Solar energy has multiple applications in desalination, building heating and solar thermal storage systems because of its clean, efficient and renewable advantages [1], [2]. However, due to the influence of region and climate, the solar radiation is uneven and it is difficult to realize the direct storage and transportation of solar energy [3], [4] .
Photothermal Chemistry Based on Solar Energy: …
The high-energy photons from the solar spectrum can be absorbed by the upper MOST layer, and photochemically convert …
A study on novel dual-functional photothermal material for high …
Strategic design enabled the seamless amalgamation of photothermal conversion and heat transportation during solar-energy storage, enhancing the solar …
Flexible textiles with polypyrrole deposited phase change microcapsules for efficient photothermal energy conversion and storage …
DOI: 10.1016/J.SOLMAT.2021.110985 Corpus ID: 233547171 Flexible textiles with polypyrrole deposited phase change microcapsules for efficient photothermal energy conversion and storage @article{Hu2021FlexibleTW, title={Flexible textiles with …
Recent advances and perspectives in solar photothermal …
Developing high-efficiency solar photothermal conversion and storage (SPCS) technology is significant in solving the imbalance between the supply and …
Form-stable phase change materials based on graphene-doped PVA aerogel achieving effective solar energy photothermal conversion and storage ...
By utilizing PCM as a storage medium in solar energy storage, the mismatch between time and space of solar energy can be solved. Polyethylene glycol (PEG) is a type of organic solid–liquid PCM ( Cao et al., 2022b ), exhibiting an excellent high latent heat, suitable phase change temperature, no phase separation and low price.
Polyimide/phosphorene hybrid aerogel-based composite phase change materials for high-efficient solar energy capture and photothermal …
Solar photothermal energy-storage technology based on phase change materials (PCMs) is considered to be a promising way to harness solar energy owing to its relatively high efficiency and low cost. This approach can effectively overcome the intermittency of solar irradiation and realize efficient utilization of solar energy [3] .
Fatty Amines Embedded Carbon Membranes with Aligned Nanochannels Network: A Device with Extremely High Photothermal …
The carbonized membranes possess abundant porosity and aligned nanochannels, which is beneficial to harvest solar light combined with their carbon in nature. In addition, organic PCMs, i.e. 1-Hexadecanamine (HDA, ΔH = 311.1 kJ/kg) and 1-Aminoheptadecane (AHD, ΔH = 293.0 kJ/kg) can be spontaneously loaded into the …
