Articles tagged with Energy
Researchers developed a new type of battery using sheet-like hard carbon and activated carbon with improved structural stability. The materials showed high specific energy and power output, lasting almost no loss in performance after 1,000 charge-discharge cycles.
A better way to wirelessly charge over long distances has been developed, utilizing the phenomenon of radiation suppression. The research shows high transfer efficiency, over 80 percent, can be achieved at distances approximately five times the size of the antenna.
Researchers propose a novel route for constructing 1D/2D carbon nanostructures with tunable aspect ratios and high nitrogen content, employing small molecule-formamide. The approach leads to the formation of polyaminoimidazole (PAI) and exhibits an extremely high N content exceeding 40 atomic percent.
Researchers at the University of Cambridge discovered that ions conduct faster than electrons in conjugated polymer electrodes, challenging conventional wisdom. This finding provides valuable insights into the factors influencing charging speed and offers opportunities to engineer materials with improved performance.
Researchers found that disordered organization of proteins boosts energy transfer efficiency, allowing nearly every photon to generate an electron. This finding could lead to better understanding of photosynthesis and potential applications in artificial systems.
The £7 million CoTide project aims to develop scalable tidal stream energy, making renewable power cheaper, more reliable, and scalable. The initiative will create integrated engineering tools and solutions to overcome technical challenges in harnessing ocean tides as a clean energy source.
Researchers at Shibaura Institute of Technology have developed a faster way to synthesize CoSn(OH)6, a powerful catalyst required for high-energy lithium–air batteries. The new method uses solution plasma-based synthesis and achieves highly crystalline CSO crystals with improved catalytic properties.
The Lehigh University Industrial Assessment Center will conduct energy audits for manufacturing plants in the mid-Atlantic region, providing real-world training for students and professionals. The center aims to reduce industrial emissions and improve manufacturing competitiveness while enhancing workforce development in disadvantaged ...
Researchers demonstrated a 300-fold increase in electron-phonon coupling strength by reducing dimensionality, paving the way for novel engineering opportunities. The enhancement was attributed to non-local nature of coupling in synthetic SRO/STO superlattices.
Researchers have developed a highly efficient electrode for solid oxide electrolysis cells, enabling high-efficiency carbon dioxide reduction. The high-entropy perovskite-type symmetrical electrode incorporates Fe-Co-Ni-Cu quaternary alloy nanocatalysts, showing exceptional catalytic activity and stability.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
A team at the University of Minnesota discovered a way to control heat flow in materials 'on the fly' using a simple process. This record-setting discovery could lead to developing more energy-efficient and durable electronic devices.
Researchers used X-ray computed tomography to visualize dendrite failure in unprecedented detail, revealing separate processes driving initiation and propagation of cracks. The findings point to overcoming technological challenges of lithium metal solid-state batteries, which could improve EV battery range, safety, and performance.
Defects in atomic structure enable better oxygen evolution reaction performance, producing clean-burning hydrogen gas with less electricity. The researchers developed electrocatalysts with both amorphous and crystalline architectures that contain defects, leading to superior reaction activity.
Zap Energy has developed a method to measure and calculate Q, the net energy gain, in its sheared-flow-stabilized Z-pinch fusion plasmas. The company measures temperature, density, and flow velocity to determine plasma confinement duration.
Researchers have created a wearable textile that can convert body movement into usable electricity and store it for future use. The fabric has high energy density and lengthy stability over charge and discharge cycles, making it promising for delivering wearable energy generation and storage.
The DOE's Milestone-Based Fusion Development Program supports Zap Energy's sheared-flow-stabilized Z-pinch technology, a promising approach to fusion energy. With $5 million in funding, Zap aims to develop a grid-ready power source and engage with local communities.
Researchers at Tsinghua University Press designed a new triboelectric nanogenerator (TENG) fabrication method to increase the charge density of mosquitoes and reduce wasted energy. The high-performance rotary TENG device demonstrated an output voltage of 6 kV, making it effective in killing mosquitoes and destroying bacteria.
Researchers introduced a conductive fullerene-derivative interlayer to enhance electron transport and increase PCE in all-inorganic perovskite solar cells, improving thermal stability. The interlayer remedies morphology issues, energy level mismatches, and electron traps, resulting in increased efficiency and reduced defects.
Scientists at the University of Cambridge have created a solar-powered technology that converts carbon dioxide and water into liquid fuels like ethanol and propanol. These fuels have high energy density and produce no net carbon emissions, making them a promising alternative to fossil fuels.
A novel photocatalytic reactor uses TiO2 nanotube arrays coupled with nanobubbles to efficiently degrade organic pollutants like Rhodamine B. The method shows high degradation efficiency and can be applied to treat wastewater.
A new alkaline thermal treatment (ATT) technology produces hydrogen from biomass with significant potential for negative carbon emissions. The study highlights the importance of alkali and catalysts in the reaction mechanism, suggesting strategies to enhance efficiency and overcome kinetic limitations.
Researchers at Northwestern University have developed a new catalyst that converts captured carbon dioxide into acetic acid with high efficiency. The innovation uses electrochemistry to convert CO2 into products with established markets, offering new pathways for improving the economics of carbon capture and storage.
A team of researchers found that prosumers, who produce their own electricity, can lower transmission charges when generating less energy. However, when producing a large amount of renewable energy, transmission charges increase. The study suggests levying a per-MWh tax on prosumer consumption to reduce the likelihood of death spirals.
Researchers from China develop a clean and green synthesis of isothioureas via electrochemical three-component reaction using thiols, isocyanides, and amines. This method avoids heavy metal catalysis and stoichiometric oxidants, offering advantages in energy efficiency and waste minimization.
The research team offers five recommendations for enhancing practical solar evaporation performance: introducing new energy sources, exploring novel photothermal materials, and designing innovative evaporators. They also emphasize the importance of large-scale ISE systems for practical applications like seawater desalination.
Researchers highlight gaps in tritium studies, focusing on species uptake and human health risks through the food chain. A global assessment is needed to minimize tritium's impact on individual species and the environment.
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 from Osaka Metropolitan University have developed a system that converts waste acetone and low CO2 concentrations into biodegradable plastic using artificial photosynthesis. The study successfully synthesized 3-hydroxybutyrate with over 60% efficiency after 24 hours.
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.
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 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.
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 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 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 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.