Currently, solar-thermal energy storage within phase-change materials relies on adding high thermal-conductivity fillers to improve the thermal-diffusion-based charging rate, which often leads to limited enhancement of charging speed and sacrificed energy storage capacity. Here we report the exploration of a magnetically enhanced photon ...
Phase change materials (PCMs) having a large latent heat during solid-liquid phase transition are promising for thermal energy storage applications. However, the relatively low thermal conductivity of the majority of promising PCMs (<10 W/ (m ⋅ K)) limits the power density and overall storage efficiency.
The phase change heat storage devices of different structures are summarized and classified. The configuration theory is introduced, which has great significance to the improvement of the phase change heat storage technology. The imbalance of energy supply and demand and a series of environmental problems are associated with traditional energy.
In comparison with sensible heat storage devices, phase change thermal storage devices have advantages such as high heat storage density, low heat dissipation loss, and good cyclic performance, which have great potential for solving the problem of temporal and spatial imbalances in the transfer and utilization of heat energy.
Or package the phase change materials in different shapes and sizes; Mixing of graphite or nanoparticles helps to enhance the low thermal conductivity of phase change materials. On the other hand, the heat storage performance is improved through optimizing the phase change heat storage device.
However, there are also issues such as the small thermal conductivity of phase change materials (PCMs) and poor efficiency in heat storage and release, and in recent years, enhanced heat transfer in phase change thermal storage devices has become one of the research hotspots for optimizing thermal storage devices.
During phase change of medium thermal energy can be released at nearly constant temperature. Materials used in latent thermal stages are known as phase change materials (PCMs). The storage capacity of the material depends on both its specific heat and latent heat values.
Currently, solar-thermal energy storage within phase-change materials relies on adding high thermal-conductivity fillers to improve the thermal-diffusion-based charging rate, which often leads to limited enhancement of charging speed and sacrificed energy storage capacity. Here we report the exploration of a magnetically enhanced photon ...
The PCMs belong to a series of functional materials that can store and release heat with/without any temperature variation [5, 6].The research, design, and development (RD&D) for phase change materials have attracted great interest for both heating and cooling applications due to their considerable environmental-friendly nature and capability of storing a large …
The thermal energy storage mechanism mainly includes sensible heat storage (SHS), thermochemical heat storage (THS), and latent heat storage (LHS) [65]. The SHS involves utilizing the heat capacity of a material to store energy by means of temperature variation. In the context of energy storage and release, the quantum of stored energy is dictated by parameters …
PCMs represent a novel form of energy storage materials capable of utilizing latent heat in the phase change process for thermal energy storage and utilization [6], [7].Solid-liquid PCMs are now the most practical PCMs due to their small volume change, high energy storage density and suitable phase transition temperature.
In the context of dual-carbon strategy, the insulation performance of the gathering and transportation pipeline affects the safety gathering and energy saving management in the oilfield production process. PCM has the characteristics of phase change energy storage and heat release, combining it with the gathering and transmission pipeline not only improves …
Among the numerous methods of thermal energy storage (TES), latent heat TES technology based on phase change materials has gained renewed attention in recent years owing to its high thermal storage capacity, …
Sensible heat storage (SHS) involves heating a solid or liquid to store thermal energy, considering specific heat and temperature variations during phase change processes. Water is commonly used in SHS due to its abundance and high specific heat, while other substances like oils, molten salts, and liquid metals are employed at temperatures above 100 …
Conversely, power-to-heat storage paired with phase change materials (PCM) is an attractive choice for energy systems with a high proportion of variable power that exceeds the electricity demand and inadequate alternative energy sources with a low exergy content to fulfil the thermal energy requirement. The integration of PCMs benefit from the greater heat storage …
Phase change material (PCM)-based thermal energy storage significantly affects emerging applications, with recent advancements in enhancing heat capacity and cooling power. This perspective by Yang et al. …
Materials that change phase (e.g., via melting) can store thermal energy with energy densities comparable to batteries. Phase change materials will play an increasing role in reduction of greenhouse gas emissions, by scavenging thermal energy for later use.
An approach to thermal-energy storage is based on the use of the latent heat of phase-change materials (PCMs). The use of PCMs as thermal storage has a theoretical
This review presents a summary of the recent advancements in enhancing heat exchange measures in phase change heat storage devices from dual perspectives. Additionally, it offers relevant references for further research on phase change heat storage heat exchangers.
In this review, by comparing with sensible heat storage and chemical heat storage, it is found that phase change heat storage is importance in renewable energy utilization, because of its simple system, low price, high heat storage …
Among the numerous methods of thermal energy storage (TES), latent heat TES technology based on phase change materials has gained renewed attention in recent years owing to its high thermal storage capacity, operational simplicity, and transformative industrial potential. Here, we review the broad and critical role of latent heat TES in recent ...
Currently, solar-thermal energy storage within phase-change materials relies on adding high thermal-conductivity fillers to improve the thermal-diffusion-based charging rate, which often leads to limited enhancement of …
Phase change materials (PCM) have significantly higher thermal energy storage capacity than other sensible heat storage materials [1].The latent heat thermal energy storage (LHTES) technology using PCM is a highly attractive and promising way to store thermal energy [2, 3].Numerous studies have been conducted to examine the thermal performance of …
Climate change and energy issues represent significant global challenges, making advancements in efficient energy utilization and storage technologies increasingly urgent (Ali et al., 2024).Phase change materials (PCMs) are notable for their substantial latent heat storage capacity and their capacity to absorb and release thermal energy at a stable temperature.
Materials that change phase (e.g., via melting) can store thermal energy with energy densities comparable to batteries. Phase change materials will play an increasing role in reduction of greenhouse gas …
Phase change materials (PCMs) having a large latent heat during solid-liquid phase transition are promising for thermal energy storage applications. However, the relatively low thermal conductivity of the majority of promising PCMs (<10 W/ (m ⋅ K)) limits the power density and overall storage efficiency.
Among them, the LHES strategy employing phase change materials (PCMs) can store thermal energy through the phase change process, demonstrating characteristics such as an almost constant temperature during the phase change, long-term thermostability, and high energy storage density.
This review presents a summary of the recent advancements in enhancing heat exchange measures in phase change heat storage devices from dual perspectives. Additionally, it offers relevant references for further …
With the sharp increase in modern energy consumption, phase change composites with the characteristics of rapid preparation are employed for thermal energy storage to meet the challenge of energy crisis. In this study, a NaCl-assisted carbonization process was used to construct porous Pleurotus eryngii carbon with ultra-low volume shrinkage rate of 2%, …
In this review, by comparing with sensible heat storage and chemical heat storage, it is found that phase change heat storage is importance in renewable energy …
Phase change material (PCM)-based thermal energy storage significantly affects emerging applications, with recent advancements in enhancing heat capacity and cooling power. This perspective by Yang et al. discusses PCM thermal energy storage progress, outlines research challenges and new opportunities, and proposes a roadmap for the research ...
Among them, the LHES strategy employing phase change materials (PCMs) can store thermal energy through the phase change process, demonstrating characteristics such …
Phase change materials (PCMs), which are commonly used in thermal energy storage applications, are difficult to design because they require excellent energy density and thermal transport, both of which are difficult to predict from simple physics-based models. In this Perspective, we describe recent advances in the understanding of the ...
It is essential to determine the heat storage efficiency of shape-stabilized phase change materials (ss-PCMs). In two published articles, the formula for heat storage efficiency is presented using two distinct equations. Using the two equations, the calculated values for heat storage efficiency revealed significant discrepancies. The outcomes cannot be compared. The …
Phase change materials (PCMs), which are commonly used in thermal energy storage applications, are difficult to design because they require excellent energy density and thermal transport, both of which are difficult to …
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