Here, a dual-function strategy composed of radiative cooling and latent heat storage simultaneously enabling the efficient subambient cooling and high-efficiency thermal-shock resistance performance is proposed. The electrospinning and absorption-pressing methods are used to assemble the dual-function cooler. The high sunlight reflectivity and high mid
Customer ServiceThermal energy storage (TES) is increasingly important due to the demand-supply challenge caused by the intermittency of renewable energy and waste heat dissipation to the environment. This paper discusses the fundamentals and novel applications of TES materials and identifies appropriate TES materials for particular applications.
Customer ServiceBased on this, a summary of commonly used and latest research on high-temperature polymers is conducted, and they are classified into different heat-resistant insulation grades, consequently providing a new perspective for high-temperature polymers dielectric research, especially on the selection of them under different occasions.
Customer ServiceHere we present a machine learning-driven strategy to rapidly identify high-performance, heat-resistant polymers. A trustworthy feed-forward neural network is trained to predict key proxy...
Customer ServiceThis review provides an overview of the currently available high-temperature dielectric materials (>105 °C) and tries to incorporate them into the grading system of heat-resistant insulating materials, providing convenience for the
Customer ServiceThis review provides an overview of the currently available high-temperature dielectric materials (>105 °C) and tries to incorporate them into the grading system of heat-resistant insulating materials, providing convenience for the selection of high-temperature dielectric materials in different application situations. Key properties and
Customer ServiceAs one of the most efficient electrochemical energy storage devices, the energy density of lithium-ion batteries (LIBs) has been extensively improved in the past several decades. However, with increased energy density, the safety risk of LIBs becomes higher too. The frequently occurred battery accidents worldwide remind us that safeness is a
Customer ServiceThermal energy storage, in which energy is stored as heat in materials such as water, oils, or molten salts, offers a promising alternative. The heat can be collected directly from the sun by concentrating sunlight, or by converting extra wind or solar power using heat pumps. When needed, the heat is released to drive a generator that produces electricity or used
Customer ServiceThermal energy storage (TES) is increasingly important due to the demand-supply challenge caused by the intermittency of renewable energy and waste heat dissipation
Customer ServiceEvaluated herein is one E-TES concept, called Firebrick Resistance-Heated Energy Storage (FIRES), that stores electricity as sensible high-temperature heat (1000–1700 °C) in ceramic firebrick, and discharges it as a hot airstream to either (1) heat industrial plants in place of fossil fuels, or (2) regenerate electricity in a power plant. FIRES storage media and heater
Customer ServiceHeat-resistant energetic materials [1], a unique branch of energetic materials, possess a high melting point, and maintain proper sensitivity and higher energy when exposed to a high temperature environment for a long time ually, when the thermal decomposition temperature reaches 250 °C, it can be referred to as heat-resistant energetic material [2]
Customer ServiceElectrostatic capacitors play a crucial role as energy storage devices in modern electrical systems. Energy density, the figure of merit for electrostatic capacitors, is primarily...
Customer ServicePolyimide (PI) turns out to be a potential dielectric material for capacitor applications at high temperatures. In this review, the key parameters related to high temperature resistance and energy storage characteristics
Customer ServiceHeat transfer rates for latent heat thermal energy storage applications are slower if phase change materials have low thermal conductivities . Because low thermal conductivity decreases the heat release/absorption rate during the solid–liquid phase transition, it can limit the potential of phase change materials in thermal energy storage applications [ 75 ].
Customer Serviceenergy storage capacitors seems unclear and little attempt has been made to define classification criteria to distin-guish various heat-resistant polymers. Hence, based on the new view of heat-resistant material insulation grades of dielectric polymers and practical application temperature, we attempt to summarize common and the latest research
Customer ServiceElectrostatic capacitors play a crucial role as energy storage devices in modern electrical systems. Energy density, the figure of merit for electrostatic capacitors, is primarily...
Customer ServiceIn this review, the physicochemical properties of 20 ultra-high temperature heat-resistant energetic materials have been examined, offering valuable theoretical support for the design of more powerful and insensitive heat-resistant energetic materials.
Customer Service∆T is the temperature variance (K) and Q is the heat energy (W) of the outer binary surfaces. 23 The entire heat resistance (R) comprises the heat resistance of the materials laterally.The temperature conduction path is determined by the heat conduction and depth of the materials along with the exchange at the interface of two dissimilar materials, based on
Customer Service3 天之前· Despite their great breakdown strength, polymer film materials are not very resistant to high temperatures and have a low dielectric constant. For instance, the dielectric constant of common polymers is only 2.0–9.5 at room temperature and 100 Hz. Biaxially stretched polypropylene film (BOPP) is the dielectric material used in the majority of mainstream
Customer ServiceHere we report the first, to our knowledge, ''trimodal'' material that synergistically stores large amounts of thermal energy by integrating three distinct energy
Customer ServicePolyimide (PI) turns out to be a potential dielectric material for capacitor applications at high temperatures. In this review, the key parameters related to high temperature resistance and energy storage characteristics were introduced and recent developments in all-organic PI dielectrics and PI-matrix dielectric nanocomposites were
Customer Service1. Introduction Dielectric materials are well known as the key component of dielectric capacitors. Compared with supercapacitors and lithium-ion batteries, dielectric capacitors store and release energy through local dipole cyclization, which enables rapid charge and discharge rates (high power density). 1,2 Biaxially oriented polypropylene (BOPP) films
Customer Service3 天之前· Despite their great breakdown strength, polymer film materials are not very resistant to high temperatures and have a low dielectric constant. For instance, the dielectric constant of
Customer ServiceThermal energy storage materials have been investigated for many decades with the aim of improving the overall efficiency of energy systems. However, finding solid materials that meet the requirement of high heat
Customer ServiceBased on this, a summary of commonly used and latest research on high-temperature polymers is conducted, and they are classified into different heat-resistant insulation grades, consequently
Customer ServiceHere we report the first, to our knowledge, ''trimodal'' material that synergistically stores large amounts of thermal energy by integrating three distinct energy storage modes—latent
Customer ServiceThermal energy storage materials have been investigated for many decades with the aim of improving the overall efficiency of energy systems. However, finding solid materials that meet the requirement of high heat capacity has been a grand challenge for material scientists. Herewith, by training various machine learning models on 3377
Customer ServiceIn this review, the physicochemical properties of 20 ultra-high temperature heat-resistant energetic materials have been examined, offering valuable theoretical support for the
Customer ServicePhase change materials (PCMs) provide a useful mode of storing thermal energy as latent heat thermal energy storage (LHTES) due to their high thermal storage density at approximately isothermal conditions. Maria Telkes was pioneered in the study of phase change materials (PCM) for thermal energy storage in the 1940s. However, the interest in this
Customer ServiceFrom the above results, it is clear that lots of efforts have been invested in researching and developing heat-resistant materials during the past few decades. The increasing number of publications related to the study of heat-resistant energetic materials indicates the growing interest and importance of this field.
Thermal energy storage materials have been investigated for many decades with the aim of improving the overall efficiency of energy systems. However, finding solid materials that meet the requirement of high heat capacity has been a grand challenge for material scientists.
This review provides an overview of the currently available high-temperature dielectric materials (>105 °C) and tries to incorporate them into the grading system of heat-resistant insulating materials, providing convenience for the selection of high-temperature dielectric materials in different application situations.
Thermal energy storage materials 1, 2 in combination with a Carnot battery 3, 4, 5 could revolutionize the energy storage sector. However, a lack of stable, inexpensive and energy-dense thermal energy storage materials impedes the advancement of this technology.
Thermal energy storage (TES) is increasingly important due to the demand-supply challenge caused by the intermittency of renewable energy and waste heat dissipation to the environment. This paper discusses the fundamentals and novel applications of TES materials and identifies appropriate TES materials for particular applications.
Our approach revealed PONB-2Me5Cl, an exceptional polymer for electrostatic energy storage, especially in high-temperature applications such as wind pitch control, hybrid vehicles and rail, and pulsed power systems. A handful of other prospective dielectrics in the polyVERSE database, including some with green profiles, are recommended.
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