Articles tagged with Energy
A new mechanochemical recycling method recovers up to 70 percent of lithium from battery waste, making it inexpensive, energy-efficient, and environmentally compatible. The method uses aluminum as a reducing agent and can be applied to various cathode materials.
Recent studies have reported significant advances in iridium-based catalysts for green hydrogen production. However, addressing high costs and research challenges are crucial to realizing their full potential.
Researchers developed an integrated radiative and evaporative chiller (IREC) that can reduce heat inside outdoor storage items by over 9°C, achieving cooling powers of up to 700 W m–2. The technology absorbs heat from the environment through evaporation, making it a sustainable alternative to current cooling methods.
Researchers are developing carbon nanotube films as ultrasensitive photodetectors to enhance performance and reduce costs. The goal is to create shortwave infrared photodetectors comparable to traditional materials at a lower cost.
Researchers found that strategically placing charging stations, especially at workplaces and in delayed home settings, can reduce peak electricity demand, store solar energy, and conveniently meet drivers' needs. This approach could help minimize the strain on the grid and avoid costly new power plants.
Researchers at Chalmers University of Technology have developed a propeller design optimisation method that paves the way for quiet, efficient electric aviation. The new design can reduce noise emissions by up to 5-8 dBA, comparable to going from a normal conversation voice to a quiet room.
Physicists at the Relativistic Heavy Ion Collider detect sequential dissociation of three distinct upsilon variations in a hot quark-gluon plasma, offering evidence for 'deconfinement.' The findings help scientists better understand the properties of the QGP and its temperature.
Researchers have reviewed novel porous materials called metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) for their potential to advance metal-air batteries. These frameworks exhibit unique molecular structures that enable high porosity with uniform distribution of catalytic sites, making reactions more predictable.
Researchers at Carnegie Mellon University have developed a latch control system that enables grasshopping robots to perform efficiently on soft substrates. The team discovered that the latch can not only regulate energy output but also mediate energy transfer between the robot and its environment, leading to improved jump performance.
At the lowest collision energy, QGP production is found to be absent, with a dramatic shift in data characteristics. Higher-order statistical analysis reveals a clear absence of QGP at low energies, providing new insights into nuclear matter phases.
A University of Queensland-led research team is using an unusual caesium atom to search for dark matter particles. The team's work may also improve atomic theory calculations and technology, such as navigation systems.
The study found that the US uses mostly synthetic graphite, which is produced from fossil fuel industry by-products, while natural graphite is sourced from mines and imported. The researchers suggest increasing domestic production and recycling of graphite-containing products to reduce greenhouse gas emissions.
Researchers emphasize the need for further study of borophene-based materials, highlighting challenges in experimental synthesis and desired properties such as mechanical compliance and ultrahigh thermal conductivity. They recommend advancing studies focused on optimizing performance in energy applications and device integration.
A review paper on quantum transport could lead to innovative materials and devices for efficient energy management at the nanoscale. The paper provides a structured overview of theoretical understanding, models, methods, and properties of quantum systems.
Researchers proposed using zwitterions to optimize polyoxometalate cluster electrolytes, improving proton conductivity and cycling stability. The strategy is expected to lead to wider applications in energy devices such as fuel cells and liquid or solid-state batteries.
Researchers at Osaka University developed a laser-driven neutron source, enabling extremely rapid elemental analysis. The study found that increasing laser intensity yields neutrons proportional to the fourth power, allowing for faster identification of elements in samples.
Researchers from Tsinghua University develop a new strategy to decouple temperature and pressure in hydrothermal carbonization, breaking the temperature limit. This process produces high-quality carbon microspheres with abundant oxygen-containing functional groups and good thermal stability, suitable for various applications including ...
A new study identifies a high-risk area in Qatar's Gulf as the most vulnerable to oil spills, which could disrupt global gas supply and cause unprecedented water shortages, compromising containment efforts.
A team of researchers completed a comprehensive review study on functionalized copper current collectors for lithium metal anodes, revealing promising improvements in electrochemical performances. The study showed that planar modified copper foils and nanostructured 3D copper substrates can stabilize lithium nucleation and deposition, ...
A new compact flow battery cell configuration reduces size and cost by 75%, increasing volumetric power density and enabling more efficient energy storage. The technology could revolutionize residential and commercial energy systems, with potential applications in electrolysis and fuel cells.
The study proposes an MEC-based framework to improve data delivery, energy consumption, and security in IIoT systems. The proposed solution enhances scalability, reliability, and real-time control, providing a more efficient communication environment.
A team at City University of Hong Kong has developed a novel approach to converting environmental temperature fluctuations into clean chemical energy using pyroelectric catalysis. By combining pyroelectric materials with localized plasmonic heat sources, the researchers achieved significantly faster and more efficient pyro-catalytic re...
Researchers have reviewed opportunities and challenges in harvesting electricity from ambient water sources. Despite the vast potential of these decentralized energy generation methods, many remain at the lab-bench stage due to issues with durability, scalability and low energy conversion rates.
Researchers investigate lithium battery corrosion as a major obstacle to widespread adoption of clean energy. The authors identify three primary causes: electrochemical corrosion of aluminum current collector, stainless-steel case, and galvanic corrosion of the anode.
Researchers developed solid electrolytes with enhanced atmospheric stability, addressing lithium-ion battery safety concerns. The LLZO electrolyte was improved through gallium and tantalum doping, maintaining high conductivity even in air.
A novel preparation technique for a silicon-monoxide-carbon composite material has been developed to improve lithium-ion battery performance. The new method overcomes parasitic chemical reactions and reduces unwanted side effects, resulting in better capacity and high cycling performance.
Researchers review recent advancements in carbon-based electrochemical catalysis, highlighting progress in designing high-performance catalysts with controlled active sites. Despite this progress, challenges remain, including efficient synthesis strategies and scaling up production for practical applications.
Researchers from City University of Hong Kong developed a novel device-engineering strategy to suppress energy conversion loss in organic photovoltaics, achieving PCE over 19%. The discovery enables OPVs to maximize photocurrent and overcome the limit of maximum achievable efficiency.
Researchers designed a bifunctional high entropy metal oxide/carbon nanofibers interlayer via simple electrospinning to improve lithium sulfur battery performance. The unique structure and function of the interlayer reduce shuttle effects and limit lithium polysulfides crossover, resulting in superior electrochemical performance.
Researchers from Tsinghua University reviewed methods to modulate properties of two-dimensional transition metal dichalcogenide (TMD) for biosensing applications. The team found that TMD-based sensors can detect a range of biomolecules, including neurotransmitters and proteins.
A team of researchers from Tsinghua University Press has developed a strategy to tackle the challenges of lithium metal anodes using hard carbon hosts. The study found that introducing lithiophilic sites and localized high-concentration electrolytes can moderate dendrite growth and inhibit volume expansion, resulting in a dendrite-free...
Researchers have synthesized 2D tin selenide nanosheets with remarkable piezoelectricity, enabling the development of self-powered wearable health tracking devices. The synthesis technique and performance of these nanosheets were improved using chemical vapor deposition.
Researchers at Johannes Gutenberg University Mainz developed a prototype that combines Brownian and reservoir computing to perform Boolean logic operations. This innovation uses metallic thin films exhibiting magnetic skyrmions to achieve energy savings through automatic system reset.
Scientists at Johannes Gutenberg University Mainz have developed a new class of materials for transporting spin waves over long distances in antiferromagnets. This breakthrough could significantly increase computing speed and reduce waste heat in microelectronic devices.
Researchers found a strong association between consuming more ultraprocessed foods and cognitive decline in adults. The study, which included over 10,700 participants, suggests that limiting such food intake may support current public health recommendations to protect cognitive function.
Researchers at the University of Illinois Chicago synthesized semiconductor quantum dots with extended radiative lifetimes and spatially localized electrons, enabling new applications in optics and time-gated single-particle imaging. The study's findings hold promise for energy-efficient displays and biomedical research.
Zinc batteries have a lower fire risk than lithium-ion batteries but need significant improvements in performance to deliver on their promise. Researchers identify key areas for improvement, including anode modification and electrolyte optimization.
Researchers from City University of Hong Kong developed a new ultra-stable hydrogen evolution reaction electrocatalyst based on two-dimensional mineral gel nanosheets. The catalyst exhibits excellent electrocatalytic activity and long-term durability, with an overpotential of only 38.5 mV at 10 mA cm−2.
The study examines the role of halide ions in enhancing CO2 conversion efficiency and highlights three areas for further research: designing model systems, developing advanced in-situ characterization tools, and exploring new halide-based catalyst architectures.
Researchers highlight the potential of silicon-based anodes for high-energy lithium-ion batteries, but note several challenges that must be overcome. Developing simple, scalable, safe, and sustainable technology is crucial to meeting industrial requirements.
Researchers developed a static prevention technology using triboelectric nanogenerators integrated into shoe soles. This method is more efficient and cost-effective than existing methods, and has commercialization potential.
Researchers at the University of Oldenburg have developed a new statistical model that accurately describes wind turbulence and generates fully three-dimensional wind fields using limited measurement points. This breakthrough enables precise wind turbine load estimation and improves wind farm planning, with applications in various fiel...
The Princeton Plasma Physics Laboratory (PPPL) has received over $12 million in funding from the US Department of Energy to speed up the development of a pilot plant powered by fusion energy. This initiative aims to accelerate the production of clean and abundant electricity, a crucial step towards mitigating climate change.
The DGIST research team successfully developed a rotation-based triboelectric neuro-stimulator capable of real-time modulation of stimulus parameters. This innovation overcomes the limitations of existing neurostimulators by enabling controlled frequency, pulse width, and amplitude adjustments during rotation.
A new MIT-developed heat treatment transforms 3D-printed metal microstructure, enabling energy-efficient 3D printing of blades for gas turbines and jet engines. Researchers discovered a way to improve the structure by adding an additional heat-treating step.
Researchers at MIT have developed a new approach to improve the energy density of nonrechargeable batteries, enabling up to a 50% increase in useful lifetime. The new design uses a fluorinated catholyte material that reduces dead weight and improves safety.
Researchers have found potential in metal chalcogenide materials for thermoelectric power generation. These materials can capture waste heat and convert it into electricity, offering a promising alternative to fossil fuels.
Researchers at MIT and the University of Tokyo have developed a technique to synthesize many
Triboelectric nanogenerators can harness mechanical energy from the environment and deliver it efficiently. Researchers have designed a new type of nanogenerator with constant inherent capacitance, which stores approximately two times more charge than existing time-dependent designs.
A team of researchers at the University of Tokyo has discovered a new mechanism to stabilize lithium metal electrodes and electrolytes, leading to enhanced energy density. By introducing a compound called ferrocene into specific electrolyte systems, they achieved high Coulombic efficiency, a critical factor in battery cycle life.
Graphdiyne, a synthetic carbon-based material, shows promise as a key component in next-generation battery technology. Its unique properties make it an ideal interface for high-energy density batteries, potentially revolutionizing energy storage and conversion.
Scientists have found a way to produce high-performance magnets without rare earth elements, using the 'cosmic magnet' tetrataenite. The discovery could reduce reliance on China's dominant rare earth supply, supporting low-carbon technologies.
A new method was developed to create a three-dimensional composite lithium anode, addressing key challenges of high energy density and safety hazards. The technique uses thermal infusion and nanosheets to facilitate the infiltration of molten lithium into the composite structure.
Researchers at Osaka Metropolitan University have developed a new positive electrode material for all-solid-state sodium batteries, enabling high energy storage capacity and long lifespan. The Na2FeS2 material uses inexpensive elements and achieves high reversibility during charging and discharging.
Researchers develop high-safety, long-life lithium metal batteries with a new electrolyte that suppresses dendrite formation. The electrolyte delivers excellent electrochemical performance and offers solutions for building high-performance lithium metal batteries.
The Braess paradox causes power grids to become more unstable with new transmission lines, contrary to expectations. A prediction tool has been developed to support grid operators in making informed decisions.
Researchers developed a new technique that enables on-device training using less than a quarter of a megabyte of memory, reducing the need for powerful computers and central servers. This approach preserves privacy by keeping data on the device, making deep learning more accessible for low-power edge devices.
Researchers successfully synthesized 3-hydroxybutyrate from acetone and CO2 using sunlight, mimicking natural photosynthesis. The 80% conversion yield tackles the plastic waste crisis while moving toward carbon neutrality.
A recent grant will fund a project developing new hardware for machine learning, aiming to curb unsustainable energy use in AI systems. The new algorithms being developed are made available to the research community and compatible with an openly shared computing platform.
Electrochemists have identified what makes nitrile additives effective at improving the performance of lithium-ion batteries using a lithium cobalt oxide cathode, opening up new avenues for further battery performance improvements.