Photothermal phase change energy storage materials (PTCPCESMs), as a special type of PCM, can store energy and respond to changes in illumination, enhancing the efficiency of energy systems and demonstrating marked potential in solar energy and thermal management systems.
For solar energy photothermal conversion and storage systems, materials not only have efficient photothermal conversion capabilities, but also provide a place for storage and energy exchange for phase change media, while avoiding problems such as leakage and poor thermal conductivity during the phase change process.
To meet the demands of the global energy transition, photothermal phase change energy storage materials have emerged as an innovative solution. These materials, utilizing various photothermal conversion carriers, can passively store energy and respond to changes in light exposure, thereby enhancing the efficiency of energy systems.
Using photothermal conversion materials to capture solar energy, energy conversion, and then through phase change materials to store solar energy can effectively solve the imbalance between the use of solar energy in time and space supply and demand.
They consist of photo-thermal conversion material and PCMs, which can store or release a large amount of thermal energy during the solid-liquid phase-change process. These materials have great potential for applications in desalination, heating, construction, and solar energy storage systems.
Based on PCMs, photo-thermal conversion phase-change composite energy storage technology has advanced quickly in recent years and has been applied to solar collector systems, personal thermal management, battery thermal management, energy-efficient buildings and more.
These carriers are primarily focused on enhancing photothermal conversion rates, while also improving thermal conductivity, sealability, and the control of thermal radiation intensity in PCMs. For commonly used PTCPCESM, the photothermal conversion efficiency is required to be above 50% to 70%.
Photothermal phase change energy storage materials (PTCPCESMs), as a special type of PCM, can store energy and respond to changes in illumination, enhancing the efficiency of energy systems and demonstrating marked potential in solar energy and thermal management systems.
Photothermal (PT) is a widely used solar thermal collection method that employs solar absorbers to capture solar photons and convert them to heat. Thermal analysis reveals that a good...
Photothermal phase change energy storage materials (PTCPCESMs), as a special type of PCM, can store energy and respond to changes in illumination, enhancing the efficiency of energy …
Thermal energy storage (TES) is essential for solar thermal energy systems [7].Photothermal materials can effectively absorb solar energy and convert it into heat energy [8], which has become a research hotspot.Phase change materials (PCM) with high energy density and heat absorption and release efficiency [9], have been widely used in many fields as …
STHET can achieve continuous power generation by self-thermal storage capability. Photothermal catalytic water splitting is a potential way to produce renewable …
CuS can enhance the photothermal conversion and heat transfer abilities of the PCC. The photothermal conversion efficiency of the PCC reaches 51.25%, an increase of 279.35% compared with that without modification. The thermal conductivities of the core and shell of the PCC are 0.6682 and 0.5334 W m
This paper presents the synthesis of composite PCMs that exhibit high-efficiency direct photothermal conversion and storage owing to dual-functional synergy. The as …
The harnessing of solar energy is currently a top priority in countries worldwide as they seek to address energy shortages. The primary energy conversions of solar energy include light-thermal conversion, light-electric conversion, and light-chemical conversion [[1], [2], [3]].Solar photothermal utilization, among them, involves employing specific equipment to convert solar …
To further enhance the visible-light absorption and photothermal conversion of composite PCMs, Zhang et al. reported Ag nanoparticle-functionalized graphene nanosheets (Ag-GNS) based composite PCMs with a high thermal storage density (>166.1 J g −1), enhanced thermal conductivity (95.3%), and a high solar-to-thermal conversion efficiency of 92.0% (Figure …
To meet the demands of the global energy transition, photothermal phase change energy storage materials have emerged as an innovative solution. These materials, utilizing various photothermal conversion carriers, can passively store energy and respond to changes in light exposure, thereby enhancing the efficiency of energy systems. Photothermal ...
CuS can enhance the photothermal conversion and heat transfer abilities of the PCC. The photothermal conversion efficiency of the PCC reaches 51.25%, an increase of 279.35% compared with that without …
STHET can achieve continuous power generation by self-thermal storage capability. Photothermal catalytic water splitting is a potential way to produce renewable hydrogen. However, low-grade heat converted from solar energy in the photochemical process is inevitably dissipated to the environment and often wasted.
Photothermal (PT) is a widely used solar thermal collection method that employs solar absorbers to capture solar photons and convert them to heat. Thermal analysis reveals that a good...
All forms of energy follow the law of conservation of energy, by which they can be neither created nor destroyed. Light-to-heat conversion as a traditional yet constantly evolving means of converting light into thermal …
This review provides a comprehensive overview of the progress in light–material interactions (LMIs), focusing on lasers and flash lights for energy conversion and storage applications. We discuss intricate LMI parameters such as light sources, interaction time, and fluence to elucidate their importance in material processing. In addition, this study covers …
Photothermal phase change energy storage materials (PTCPCESMs), as a special type of PCM, can store energy and respond to changes in illumination, enhancing the efficiency of energy systems and …
This paper presents the synthesis of composite PCMs that exhibit high-efficiency direct photothermal conversion and storage owing to dual-functional synergy. The as-synthesized PCMs exhibit high potential for application in photothermal-energy storage and thermoelectric-energy generation. This section discusses the experimental materials ...
Inspired by the characteristics of photo-thermal conversion CPCMs, a direct absorption/storage solar collector (DASSC) with such CPCM absorbs solar energy and stores heat simultaneously [15]. As shown in Fig. 1, compared to conventional surface-based absorption collector, the DASSC reduces the heat exchange processes, thus improving the photo-thermal …
Initially, we observed that MPF enhanced the photothermal conversion of IR780 via a fluorescence quenching effect. Previous studies indicate that ferrocene is a potent fluorescence quencher, capable of inducing fluorescence quenching through a photoelectron transfer mechanism and releasing energy as heat [43, 44]. However, this effect was ...
To meet the demands of the global energy transition, photothermal phase change energy storage materials have emerged as an innovative solution. These materials, utilizing various …
Solar thermal energy conversion and storage technology is essential for the effective ... CFs contribute to long and continuous heat conduction paths within the composite, leading to high vertical thermal conductivities of 0.47– 5.84 W·m −1 ·K −1 and low horizontal thermal conductivities of 0.47– 1.34 W·m −1 ·K −1 at CF loadings of 0– 20 wt%. …
PTCPCESMs are a novel type material that can harness solar energy for heat storage and energy conversion, exhibiting high efficiency in energy conversion, storage, and the use of clean, renewable energy. Organic phase-change materials can absorb or release a large amount of latent heat during the solid-liquid phase transition, whereas a ...
Developing high-efficiency solar photothermal conversion and storage (SPCS) technology is significant in solving the imbalance between the supply and demand of solar energy utilization in time and space. Aiming at the current research status in the field of SPCS, this review thoroughly examines the phase change materials and substrates in SPCS ...
Photothermal phase change energy storage materials (PTCPCESMs), as a special type of PCM, can store energy and respond to changes in illumination, enhancing the efficiency of energy systems and demonstrating marked potential in solar energy and thermal management systems.
Initially, we observed that MPF enhanced the photothermal conversion of IR780 via a fluorescence quenching effect. Previous studies indicate that ferrocene is a potent …
MXene nanosheets were bonded to a lemon peel-based porous carbon skeleton to construct an excellent continuous three-dimensional thermally conductive grid system. What makes it noteworthy is that the presence of MXene nanosheets substantially improves the thermal conductivity (0.66 W/mK) and photo-thermal conversion efficiency (θ = 96.4 %) of MXene …
Suppressing heat loss is one of the challenges faced in developing catalysts that can effectively harness the photothermal effect. Traditional photocatalysts, although exhibiting photothermal effects, often experience rapid radiation of generated heat into the environment, making it difficult to accumulate and enhance photocatalytic performance (Fig. 2 a) [18], [19].
Developing high-efficiency solar photothermal conversion and storage (SPCS) technology is significant in solving the imbalance between the supply and demand of solar …
Direct-photothermal energy conversion and storage experiment: ... This impedes the formation of continuous and efficient heat-conduction pathways, thereby limiting heat transfer. Conversely, in high-density PCBs, the EGs are organize into substantial graphite plates (with tightly connected individual plates) that form a functional and directed graphite network, …
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