Articles tagged with Electrical Engineering
Researchers at Osaka Metropolitan University fabricated GaN transistors using diamond substrates, achieving more than twice the heat dissipation of SiC-based transistors. This novel technology has the potential to revolutionize power and radio frequency electronics with improved thermal management capabilities.
Researchers have developed a solid electrolyte that allows for efficient hydride ion conduction at room temperature, enabling the creation of safer, more efficient hydrogen-based batteries and fuel cells. This breakthrough provides material design guidelines for the development of next-generation energy storage solutions.
Researchers at Singapore University of Technology and Design propose a new unifying framework to identify low-risk materials for further development. The team screened 3,000 entries in the materials database to find 25 candidate materials that exhibit high performance and are sustainable at the material level.
Researchers at West Virginia University are using artificial intelligence to analyze habanero peppers and develop new methods for predicting genetic traits. The goal is to improve crop yields and prevent genetic diseases, with potential applications in human health.
Researchers create new methods to visualize and understand samples with increased accuracy and sensitivity. The development of photothermal microscopy, also known as VIP microscopy, enables scientists to probe specific chemical bonds in a specimen, allowing them to map molecules at low concentrations without dye labeling.
A research team at City University of Hong Kong has developed a novel performance evaluation method called Information Exchange Surrogate Approximation (IESA) to calculate blocking probabilities in queueing systems with overflow. IESA provides ways to allocate limited resources better, enhancing resource allocation and capacity plannin...
A Binghamton University professor leads a research team to explore the stability of power grids with inverter-based resources, which have changed the grid's dynamics. The goal is to characterize the stability region without numerical simulation.
Researchers developed a lightweight wearable balance exercise device to improve reactive postural control in older adults, reducing the risk of falls. The device uses pneumatic artificial muscles to generate unexpected perturbations, resulting in improved peak displacement and velocity.
Researchers have developed a new type of photovoltaic cell with significant advantages over conventional solar technologies, reducing shadowing by 95% and potentially lowering energy production costs. The breakthrough paves the way for miniaturization in electronic devices and has potential applications in solar cells, space exploratio...
A new theoretical framework evaluates the utilization efficiency of mobile power sources in power grids, considering various failure scenarios and structural resilience. The study emphasizes deploying mobile power sources to improve grid survivability and rapid recovery capabilities during disasters.
Scientists at Pohang University of Science & Technology develop biopolymer-blended protective layer to stabilize zinc anodes in metal batteries. The film facilitates uniform nucleation of zinc, reducing the formation of twig-like crystals and improving battery longevity.
A team led by Lehigh University's Yahong Rosa Zheng is developing an Autonomous Observatory Node that can collect and transmit data from underwater sensors wirelessly, without the need for expensive subsea cables. The prototype aims to operate at depths of up to 1000 meters, enabling researchers to study extreme environments and detect...
The study successfully enhances energy conversion efficiency by over twice that of conventional cells while reducing production costs by a factor of 3,000. This breakthrough could lead to widespread adoption in energy harvesting applications generating energy from waste heat.
The EU-funded GreenChips-EDU project brings together 15 universities, companies, and research institutions to train specialists in sustainable microelectronics. The program aims to address the industry's skills shortage and promote energy-efficient microchips, with a focus on power electronics.
A new monitoring system uses radio waves to track changes in a room's nuclear weapons stockpile, providing a secure way to verify compliance with disarmament treaties. The system combines cyber-physical security assessments with cross-system physics to enable new levels of trust in the Internet of Things.
A new soft sensor developed by UBC and Honda researchers enables touch sensitivity and dexterity in robots, allowing them to pick up fragile objects like an egg or a glass of water. The sensor uses weak electric fields to sense objects, even at a distance, making it suitable for adoption in robots that interact with people.
A smartphone attachment developed by UC San Diego engineers can screen for neurological conditions like Alzheimer's disease and traumatic brain injury at low cost, accurately regardless of skin tone. The technology uses far-red light to enhance visibility of the pupil, making it easier to track changes in eye movement.
Researchers have developed a metal nanocluster-based separator for lithium-sulfur batteries, accelerating electrochemical kinetics and improving capacity and cycling stability. The technology has the potential to increase the adoption of sustainable energy storage systems, including electric vehicles and renewable energy.
The interdisciplinary team, led by Kaiyuan Yang, will focus on leveraging the spin and charge of electrons in multiferroics to process and store information. The goal is to improve energy efficiency for computing devices, potentially reducing energy consumption by three orders of magnitude.
Researchers add graphene to Bi-2223 superconductors, increasing critical current density and improving phase formation. The findings suggest potential applications in various fields, including power generation, transportation, and quantum computing.
Researchers at the University of California - San Diego developed screen-printed, flexible sensors that can record brain activity and lactate levels in earbuds. The sensors allow for long-term health monitoring and detection of neuro-degenerative conditions.
A breakthrough in battery technology has been achieved by City University of Hong Kong, overcoming the persistent challenge of voltage decay in lithium-ion batteries. The new development stabilises a unique honeycomb-like structure within the cathode material, resulting in longer-lasting and more efficient batteries.
Researchers have successfully solved a problem in graph theory that has attracted attention from within the field. The team's research involves packing coloring, which deals with labelling parts of a graph to comply with certain rules and avoid specific conflicts.
Researchers at the University of Washington have developed small robotic devices that can change their shape in mid-air using a Miura-ori origami fold, enabling battery-free control over descent. The devices can transition from tumbling to falling states, allowing for precise landings in turbulent wind conditions.
GIST researchers found that nano-sized pits on AlN surfaces cause graphene degradation at higher temperatures, leading to GaN film exfoliation failure. The study's results demonstrate the importance of substrate chemical and topographic properties for successful remote epitaxy.
Researchers at Pohang University of Science & Technology developed world-class perovskite transistors by combining three distinct perovskite cations, achieving high hole mobility and on/off current ratio. This breakthrough enables faster computing with lower power consumption.
Wogrin aims to improve data aggregation and create more meaningful models with the same computing power, resulting in suboptimal investment decisions and costly restructuring of energy systems. Her research approach takes into account different supply situations, enabling compressed and differentiated model data.
The study provides a condensed overview of recent advances and challenges in atmospheric and pressurized PVSRs, highlighting potential for improving performance through geometrical parameter optimization and spectrally selective absorption. Standardized evaluation methods remain essential to unlock the full potential of PVSRs.
Researchers developed an ultracompact sensing system leveraging spoof surface plasmon resonance technology for accurate gas detection using smartphones. The system achieves adaptability to target resonance frequencies, making it highly efficient and versatile.
The sixth generation (6G) of mobile networks will have two iconic features: a virtualized world with digital twins and the tactile Internet. This will revolutionize IoT and advanced applications, while also connecting people's five senses through immersive social networking and games.
Researchers at UBC Okanagan's Integrated Optics Laboratory develop imaging systems that apply terahertz radiation, enabling fast and accurate characterization of biological specimens. This technology holds promise for improving diagnostic imaging and detecting carcinogenesis.
Scientists have developed a new method to manufacture high-performance aluminum matrix composites using asymmetric cryorolling, resulting in improved mechanical properties and increased ductility. The technique produces sheets with fewer microvoids, finer grain size, and higher density of dislocations.
The Kennesaw State University's BRITE program aims to diversify the biomedical engineering field by recruiting students from underrepresented groups. Students will participate in clinical settings, receive faculty mentoring, and work on interdisciplinary research teams.
A study by Technical University of Munich (TUM) has identified numerous previously undetected methane sources in Hamburg, including leaking gas pipelines and incomplete combustion. The researchers used mobile measurements and sensor networks to detect unknown emissions and quantify their impact on greenhouse gas emissions.
Researchers at the University of Minnesota have created a thin film of a unique semimetal material that can generate more computing power and memory storage while using significantly less energy. The study, published in Nature Communications, has important findings about the physics behind its unique properties.
A team of researchers at Harvard University has developed a compact, soft pump that can power soft robots in various applications. The pump uses dielectric elastomer actuators and can control pressure, flow rate, and flow direction, making it suitable for biomedical settings.
A research team at POSTECH successfully demonstrated the existence of bound states in the continuum using an acoustoelastic coupling structure. The phenomenon enables the confinement of elastic waves, similar to light particles, facilitating applications such as vibration focusing and energy harvesting.
Researchers at Arizona State University have developed a method to mix sodium with lithium in high-quality batteries, driving down costs and ensuring the supply. The technique uses a specialized technique to measure energetic stability, allowing for a more stable mixture of up to 20% sodium.
Researchers from Japan and Germany have created an eco-friendly light-emitting electrochemical cell using dendrimers combined with biomass-derived cellulose acetate as the electrolyte and a graphene electrode. The device has a long lifespan of over 1000 hours and is environmentally friendly.
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.
Scientists have developed a metallic gel that allows for highly conductive 3D printing at room temperature. The gel, which is 97.5% metal, enables the creation of electronic components and devices with unprecedented conductivity.
Researchers at the University of Pittsburgh have discovered a way to efficiently separate and harness individual photons, a critical component in quantum photonics. This breakthrough has the potential to significantly increase the speed of quantum technology applications.
Researchers developed a new anode material that increases lithium-ion battery storage capacity by 1.5 times, allowing for fast charging in as little as six minutes. The innovation uses electron spin to enhance storage capacity and ferromagnetic properties.
Researchers demonstrated terabit optical data transmission through the air in a European Horizon 2020 project, enabling more cost-effective and faster backbone connections via near-earth satellite constellations. The team used laser systems to transmit high-data rates over a free-space distance of 53km.
Researchers have developed a process to print glass at lower temperatures, resulting in high-resolution optical-grade glass structures with excellent mechanical properties. The hybrid organic-inorganic polymer resin allows for the free-form printing of robust glass structures directly on semiconductor chips.
Researchers at Pohang University of Science & Technology (POSTECH) developed a technology for high-performance organic polymer semiconductors that exhibit both stretchability and electrical functionality. The molecular brake prevents slipping under stretching conditions, preserving up to 96% of electrical performance.
Researchers at The University of Tokyo have developed a new atomic layer deposition (ALD) technique for depositing thin layers of oxide semiconductor materials, resulting in high carrier mobility and reliability. This breakthrough enables the production of devices with normally-off operation, high mobility and reliability.
Researchers at City University of Hong Kong developed a novel, wearable, olfaction feedback system with wireless capabilities for virtual reality. The system releases various odours using miniaturized odour generators and has been tested with an average success rate of 93 percent.
Japanese researchers develop improved ternary superconductor bulks from liquid sources, demonstrating enhanced performance and microstructural analysis shows significant reductions in secondary phase particle size. The findings have huge potential for applications in magnetic levitation, electric motors, and energy systems.
FES2023 brings together leading researchers and industry experts to share groundbreaking research on AI-based energy solutions, smart grids, and renewable energy systems. The conference covers key themes including planning and operation of energy systems, electricity markets, and demand response.
Researchers from GIST have developed a hydrotropic-supporting electrolyte to enhance the solubility of organic redox molecules in aqueous systems. This improvement enables the creation of high-energy-density electrochemical capacitors with potential applications in redox flow batteries.
A low-cost clip attachment uses a smartphone's camera and flash to monitor blood pressure, making it easy and affordable for resource-poor communities. The technology was tested on 24 volunteers and showed comparable results to traditional blood pressure cuffs.
Researchers at MIT have developed a new approach to match 3D shapes by mapping volumes to volumes, resulting in more accurate animations and CAD designs. This method represents shapes as tetrahedral meshes that include the mass inside a 3D object, allowing for better modeling of fine parts and avoiding common artifacts.
A new CAR T cell design approach using machine learning and artificial intelligence is being developed to improve cancer treatment. The project aims to create a hybrid knowledge- and data-driven approach to guide the design of immunotherapeutic cells.
A Texas A&M team is studying the impact of cryptocurrency mining on the state's power grid, revealing a potential for demand flexibility during times of peak energy usage. The research suggests that when the grid is stressed due to heatwaves or other factors, cryptocurrency miners can shut down, providing a buffer against strain.
The SEQUINS project aims to create a smart, equitable, and interoperable electrical grid in the Pacific Northwest. Over two years, it will develop plans to overcome obstacles through academic research, entrepreneurship, and workforce training.
Researchers at UC San Diego have developed a new technique to increase 5G mmWave network accessibility. The 'mmFlexible' system leverages antenna arrays to divide frequency bands into multiple usable beams, reducing lag by 60-150%. This innovation addresses the challenge of efficient data distribution in millimeter wave networks.
Researchers at the University of Waterloo have developed a robot system that uses artificial intelligence to track objects, including medication and glasses. This technology has shown high accuracy in locating everyday items, potentially improving the quality of life for individuals with dementia.
Researchers at Pohang University of Science & Technology developed a selective catalyst that curbs corrosion in fuel cells, increasing durability three times compared to traditional catalysts. The catalyst's performance is attributed to the robust interaction between titanium dioxide and platinum.
A deep neural network developed by researchers at the University of California - Santa Cruz has been shown to accurately classify particle signals with 99.8% accuracy in real-time. The system can identify weak or noisy signals and pinpoint their source, making it suitable for point-of-care applications.