Articles tagged with Thermal Energy
Researchers develop a new strategy for producing negative thermal expansion (NTE) materials, enabling safer and more efficient synthesis. The approach combines reverse coprecipitation with oxidation in a single step, eliminating the need for harsh chemicals and reducing environmental impact.
Scientists have developed a new method to manipulate heat transfer using carefully engineered metamaterials, boosting it by up to four times. This breakthrough could lead to more efficient cooling strategies for electronic devices, improved thermophotovoltaic systems, and enhanced sensing technologies.
The Joule Hive Thermal Battery system can generate and store heat up to 1,800 degrees Celsius using renewable energy sources like solar or wind. The system's thermal energy storage capabilities make it possible for industrial sites to rely on renewable energy sources flexibly.
Researchers develop biochar-based phase change material that captures, stores, and releases heat with high efficiency while locking carbon away. The resulting material stores nearly twice as much latent heat as lower-temperature versions.
Researchers developed a chitin-based carbon aerogel to stabilize phase change materials and improve their performance for energy applications. The material achieved high thermal storage density, durability, and improved thermal conductivity compared to pure stearic acid.
Researchers found that heat transfer values increase dramatically at distances less than ten nanometres, exceeding theoretical predictions by a factor of one hundred. This phenomenon challenges current understanding of heat transfer in the nanometre range.
A research team led by Frank Geurts measured quark-gluon plasma temperatures at various stages of its evolution, providing critical insights into a state of matter believed to have existed just microseconds after the big bang. The study revealed two distinct average temperatures depending on the mass range of dielectron pairs, indicati...
Researchers develop a method to transform spin-glass-like quasicrystals into ferromagnetic materials with tunable magnetic properties and strong magnetocaloric response. The technique enables expanded electron-to-atom ratios, unlocking new possibilities for designing high-performance magnetic refrigeration materials.
Drexel engineers create vascular network within cement-based building materials that can help passively regulate surface temperature, reducing energy loss in buildings. The approach is inspired by nature's circulatory system and uses phase-change material to maintain a desired indoor temperature.
Researchers at SwRI create a custom test rig to study how blending hydrogen into liquid natural gas affects storage tank temperatures and steel material integrity. The goal is to determine if tanks can endure lower temperatures without compromising safety.
Researchers at Rice University have created a scalable, low-maintenance desalination system that harnesses sunlight and recycles heat for a steady supply of fresh drinking water. The new technology, STREED, can handle high-salinity brines without significant decreases in water production or quality.
Researchers developed an adaptive quantum approximate optimization-based model predictive control strategy to enhance energy efficiency and drive decarbonization in buildings. The approach achieved a 6.8% improvement in energy efficiency and a 41.2% reduction in carbon emissions.
A recent study found that women are more metabolically efficient under extreme conditions, closing the performance gap with men. Women's greater fat mass may contribute to this advantage, enabling them to complete longer distances without burning out.
Researchers from the University of the Basque Country have developed a high-precision methodology to measure rooftop energy potential in Vitoria-Gasteiz. The study found that 50% of rooftops are viable for solar energy generation, enabling 38% of annual electricity consumption to be produced
A team of researchers at POSTECH has identified a hidden mechanism in Electrochemical Random-Access Memory (ECRAM) technology, enabling faster and more efficient AI computations. This breakthrough could lead to significant improvements in data processing and reduced energy consumption.
The study improves the thermoelectric properties of p-type and n-type single-walled carbon nanotubes, increasing their power factor to twice and three times that of pristine SWCNTs. The underlying mechanisms involve energy filtering and charge transfer processes.
Researchers developed a quantum cooling engine that manipulates energy flow without feedback control, relying solely on quantum measurements. The engine successfully reversed heat flow, with entanglement found to influence the energy exchange between the working substance and measurement apparatus.
Researchers developed a novel anode material combining hard carbon with tin, enhancing energy storage and stability. The composite structure shows excellent performance in lithium-ion and sodium-ion batteries, promising applications in electric vehicles and grid-scale energy storage.
Researchers develop a gel polymer electrolyte with a localized high-concentration solvation structure, enabling solid-state batteries to operate at 4.7 V with high energy density and cycling stability. The new electrolyte also exhibits exceptional safety characteristics, including no electrolyte leakage or combustion.
Researchers found a radical new way to move heat, faster than ever before, using hexagonal boron nitride to direct heat like a beam of light. This breakthrough could revolutionize cooling in high-performance electronics, allowing faster and more powerful devices without overheating.
Researchers found that roofs with shorter peak heights (less than three feet) should be wider to minimize heat loss, while taller peaks require equilateral triangles with a specific height-to-width ratio. These findings are similar to those seen in ancient architecture across the world.
Researchers developed a novel 2D phase-transition memristor leveraging intrinsic ion migration to overcome existing device limitations. The device achieves record-low power consumption, ultrafast switching speed, and exceptional endurance, making it suitable for high-speed computing applications.
A new hardware platform for AI accelerators capable of handling significant workloads with reduced energy requirement has been developed. The platform leverages III-V compound semiconductors to create photonic integrated circuits, which operate at the speed of light with minimal energy loss.
New research validates theoretical models on how nanoscopic ripples affect material properties, leading to a better understanding of their mechanical behavior. The study's findings have significant implications for the development of microelectronics and other technologies that rely on thin films.
A new study published in Newton uses artificial intelligence to identify complex quantum phases in materials, significantly speeding up research into quantum materials. The breakthrough applies machine-learning techniques to detect clear spectral signals, allowing for a fast and accurate snapshot of phase transitions.
Koun Shirai bridges conventional physics and nonequilibrium materials to provide robust thermodynamic description of glasses. He redefines equilibrium as energy extraction impact, allowing tools of thermodynamics to apply to glasses.
KTU researchers have discovered an innovative solution to store excess heat underground, reducing heat loss and increasing energy efficiency. The ground-based heat accumulator stores heat in the soil, making it available when demand peaks, and can even reduce carbon dioxide emissions.
A team of chemists from Virginia Tech found a way to visualize the intricate structure and chemical reactions of battery interfaces using an X-ray beam line. This breakthrough enables researchers to gain better control over these critical surfaces, potentially leading to cheaper, higher performance batteries.
Recent technological advancements have expanded understanding of oceanic mesoscale eddies, regulating ocean energy distribution and material transport processes. The researchers identified four potential hotspots for future research, including eddy stability and air-sea interactions.
A team of engineers has created a new hydrogel that rapidly switches between soft and hard states, making it ideal for real-time applications such as impact-resistant wearables or soft robots. The 'instant armor' hydrogel achieves this with a high-entropy design that allows rapid recovery in just 28 seconds.
Researchers enhance organic scintillators' light yield by introducing charge-separated state traps, achieving higher LY than traditional inorganic scintillators. The resulting scintillator displays a super-long afterglow for 7 hours, enabling new non-destructive testing methods.
Scientists at the University of Birmingham warn that increasing CO2 levels could lead to a decrease in 'space sustainability' due to changes in the Earth's upper atmosphere. The research suggests that as the atmosphere cools, it contracts, reducing satellite density and potentially increasing the risk of collisions.
Physicists at Queen Mary University of London have discovered that room-temperature superconductivity may be theoretically possible within the laws of our Universe. The research reveals that fundamental constants such as electron mass and Planck constant govern the upper limit of superconducting temperature, which comfortably includes ...
Researchers from the University of the Basque Country have developed a hybrid supercapacitor using carbon from Pinus radiata waste, offering a cost-effective and sustainable alternative for improving conventional lithium-ion capacitors. The system stores high-power energy and can withstand many charge-discharge cycles.
The University of Vaasa's FlexiPower project aims to develop and commercialize a 'Building as a Battery' (BaaB) solution that enables dynamic response of building heating and cooling systems to power grid needs. This innovation offers cost-effective and scalable solutions for balancing the power grid.
Researchers propose a new local electricity market to harness the power of homeowners' grid-edge devices in case of outages or attacks. Devices like solar panels and electric vehicles can pump power into the grid or rebalance consumption.
Researchers at Incheon National University have pioneered a novel resonant tuning rectifier (RTR) for parallel compensated receivers in wireless power transfer. The RTR enhances efficiency via dynamic frequency adaptation, reducing circuit impedance and minimizing interference with other devices.
Researchers have developed a flexible dual-band electrochromic device that integrates energy storage, reducing building energy consumption. The device offers excellent performance in various climate zones, providing substantial energy savings through selective modulation of light and heat across multiple wavelengths.
Researchers unveil Ba-Si orthosilicate oxynitride-hydride as a transition metal-free catalyst, offering a more sustainable approach to ammonia production. The novel catalyst demonstrates exceptional stability and higher activity than conventional ruthenium-loaded MgO catalysts.
A recent study reveals a significant long-term decline in downward surface solar radiation globally, with significant decadal variations observed over land. The research highlights the role of water vapor in DSSR changes, which was previously overlooked, and shows that future DSSR changes will depend heavily on emission scenarios.
Researchers have developed a new technology that can turn thermal radiation into electricity in a way that exceeds the physical limit of Planck's law. The breakthrough could revolutionize manufacturing industries by increasing power generation without high temperature heat sources or expensive materials.
Researchers find that intense laser pulses cause tunnel ionization, generating photocarriers and altering the lattice energy surface, leading to ultrafast melting of wide-gap ceramic materials like MgO. The study demonstrates a universal microscopic mechanism for laser-induced phase transitions.
Researchers at Texas A&M University have developed a new catalytic graphitization technology to convert petroleum coke into graphite, reducing emissions and cost associated with conventional synthetic graphite production. The process uses lower temperatures and shorter times, making it more sustainable and efficient.
Researchers at Lancaster University have successfully demonstrated negative refraction using atomic arrays, eliminating the need for metamaterials. This achievement paves the way for novel technologies based on negative refraction, including perfect lenses and cloaking devices.
A recent study found that cold temperatures allow the bird pink eye pathogen to survive on bird feeders for up to seven days, causing more severe disease in birds compared to warmer temperatures. Regular cleaning of feeder surfaces with bleach can help mitigate the spread of the disease.
Researchers aim to develop room-temperature superconductors using AI and quantum geometry, potentially revolutionizing energy efficiency. The project aims to push boundaries of quantum materials science and superconductivity.
Researchers found that marsh grass productivity differs between tall and short forms, with taller plants capturing more CO2. The team measured photosynthesis, respiration, and biomass to understand how ecosystem variables impact carbon fixation.
Researchers developed AshPhos, a ligand that facilitates the formation of carbon-nitrogen bonds using inexpensive materials. The tool has potential applications in pharmaceuticals, nanomaterials, and degrading PFAS pollutants.
The ECem project aims to develop electric heating technologies for cement calcination, reducing CO2 emissions by up to three times. Researchers are exploring infrared and inductive heating methods to overcome material properties challenges.
Researchers at Chung-Ang University have developed a novel hydrovoltaic device that can produce up to a few tens of microwatts and responds quickly to evaporation-driven changes in water flow, making it suitable for fire detection. The device also exhibits excellent stability over extended periods.
Researchers are exploring halide perovskites, a material that converts sunlight into energy efficiently. The team created distinct properties using ultra-cool methods, enabling mass production of solar cells.
Researchers at Pohang University of Science & Technology have developed a technology that uses microwaves to produce clean hydrogen in minutes, overcoming limitations of existing methods. By leveraging microwave energy, the team achieved significant breakthroughs in reducing production temperatures and time.
Researchers propose a method to enhance thermal conductance properties of amorphous silicon metasurfaces through laser-induced crystallization, reducing temperature rises by up to 52%. Simulations show excellent light manipulation capabilities in both amorphous silicon and polysilicon metasurfaces.
A new mechanism by which brown fat is converted into heat has been identified, revealing a potential target for treating obesity and related metabolic diseases. The MCJ protein plays a crucial role in this process, protecting against health problems associated with obesity such as diabetes and increased blood lipids.
A new smart window technology combines liquid crystals with nanoporous microparticles and a patterned vanadium dioxide layer to simultaneously control visible light and infrared radiation. The device offers fast, efficient heat and visibility management, marking a significant step forward in energy-efficient building design.
Researchers at Stanford University have discovered a new class of conductors made from niobium phosphide that can conduct electricity better than copper in films as thin as a few atoms. This breakthrough could lead to more powerful and efficient electronics, reducing energy consumption and heat loss.
A study published in Nature Materials reveals that cooperative particle rearrangements influence structural order and dynamic behavior in glass-forming liquids. The researchers identified a key process called T1, which maintains local order and leads to super-Arrhenius behavior.
A team of researchers discovered supra-thermal DT ions beyond Maxwellian distributions in ICF burning plasmas. The new hybrid model predicts a ~10 ps ignition moment promotion, enhanced alpha particle densities at the hotspot center, and the presence of supra-thermal D ions below 34 keV.
A research team at Hokkaido University developed novel cerium oxide-based thermal switches, surpassing prior benchmarks with high efficiency and sustainability. The switches feature a new benchmark for electrochemical thermal switches, offering broad applications in industries such as electronics cooling and renewable energy systems.
A recent study from Peking University found that modern clean energy sources may exacerbate existing inequalities, particularly for low-income households. The researchers recommend policy solutions like phased clean energy transitions and targeted energy subsidies to ensure a more equitable transition.