Articles tagged with Electrical Power Generation
Researchers have developed a novel process to convert nitrogen and hydrogen into ammonia at ambient temperature and pressure with high energy efficiency. The process uses a solid polymeric electrolyte and eliminates the need for purification, producing pure ammonia gas.
A team of researchers at KAUST has developed a biological method to produce size-controlled palladium nanoclusters anchored on the surface of Geobacter sulfurreducens, outperforming benchmark catalysts in water-splitting reactions. This eco-friendly approach could provide a sustainable solution for high-performance catalysis.
A team led by Xueyan Song at West Virginia University has created an oxide ceramic material that solves a longstanding efficiency problem plaguing thermoelectric generators. The breakthrough achieved record-high performance, opening up new research directions to further increase performance and enabling large-scale waste heat recovery.
Researchers have developed a novel and cost-effective anode catalyst that can improve and stabilize power generation performance of MFCs treating vegetable oil industry wastewater. The study investigates modification of electrodes to increase bacterial adhesion and efficient electron transfer.
Researchers at GIST developed a novel thermoelectric generator inspired by zebra skin, creating a high in-plane temperature gradient for generating electricity. The design uses a pattern resembling black-and-white zebra stripes to increase its applicability while reducing environmental impact.
A HKU Mechanical Engineering team has developed a new generation of lithium-ion batteries that are safer, more powerful and have a longer lifespan. The innovative design uses single-ion conducting polymer electrolytes that can conduct electricity faster than traditional liquid electrolytes.
Scientists at Tokyo University of Science develop a novel technique to evaluate the electric double layer effect, achieving carrier modulation and improved switching response speed control. The EDL effect is reduced with certain electrolytes, leading to faster charging times.
Researchers discovered metal ion plasma generation under strong magnetic field using microwave resonator, maintaining plasma state for extended periods. This method has potential to reduce energy consumption and improve semiconductor manufacturing processes.
Channeling ions into grain boundaries in perovskite materials improves the stability and operational performance of perovskite solar cells, paving the way for more efficient and practical solar cell technologies. This breakthrough finding may also inform the development of more efficient energy storage technologies.
Direct incorporation of a metasurface in a laser cavity enables spatiotemporally modulated laser pulses. Giant nonlinear saturable absorption allows pulsed laser generation via Q-switching process.
Researchers have developed a new lithium-air battery that uses a solid electrolyte, boosting energy density four times above lithium-ion batteries. The battery can potentially power cars for over a thousand miles on a single charge and is also suitable for domestic airplanes and long-haul trucks.
MIT researchers have developed a receiver chip that targets and blocks unwanted signals without hurting device performance. The chip uses a mixer-first architecture and block digital filtering to remove harmonic interference, enabling it to handle high-power signals effectively.
Researchers developed a wireless communication system that enables quantum computers to send and receive data using high-speed terahertz waves, reducing power consumption and error-causing heat. The system uses a transceiver chip and tiny mirrors to transmit data wirelessly, making it suitable for large-scale quantum systems.
Researchers have discovered a new 3D-printed superalloy that can withstand high heat, essential for power plant turbines. The alloy, composed of 42% aluminum, 25% titanium and other metals, is stronger at high temperatures than state-of-the-art materials.
Researchers create 'Lego-like' BIND interface to assemble stretchable devices with excellent mechanical and electrical performance. The interface allows for easy connection of modules, enabling the development of highly functional wearable devices or soft robots.
Researchers from Nanjing University have proposed the first scheme to practically generate N-photon states deterministically using a lithium-niobate-on-insulator platform. The scheme involves deterministic parametric down-conversion and demonstrates feasibility for generating multiphoton qubit states.
The study explores the impact of counteranions on stacked ion pairs, leading to variations in energy and orientation. The researchers developed a diverse set of assemblies with tunable properties by incorporating alkyl groups into positively charged squarylium dyes.
New research computes first step toward predicting lifespan of electric space propulsion systems by developing a model that bridges scales between molecular dynamics simulations and experiments. The model resolves limitations and uncertainties in experimental data, gaining insight into critical phenomenon and surface morphology over time.
Researchers at MIT have discovered a way to switch graphene's superconductivity on and off with short electric pulses, opening up new possibilities for ultrafast brain-inspired electronics. This discovery could lead to energy-efficient superconducting transistors for neuromorphic devices.
Researchers at UT Dallas have developed novel carbon nanotube yarns called twistrons, which generate electricity when stretched or twisted. The new version has a higher energy conversion efficiency of up to 22.4% for tensile and torsional energy harvesting.
A team of researchers has developed an experimental method to manipulate the Rydberg state excitation in hydrogen molecules using bicircular two-color laser pulses. By controlling the photon effect and field effect, they were able to generate Rydberg states while varying the extent to which each effect contributed to the process.
Researchers at KAUST developed a high-efficiency metal-free battery using ammonium cations as charge carriers, outperforming existing analogues with a record operation voltage of 2.75 volts. This breakthrough provides potential for lowering battery costs and enabling large-scale applications.
Researchers have developed novel organometallic molecular junctions that exhibit unprecedented thermoelectric performance, achieving a Seebeck coefficient of 73 μV/K. These results are promising for the development of nanoscale semiconductors and efficient thermoregulation.
Developed by Incheon National University researchers, the new membranes exhibit high mechanical strength, phase separation, and ionic conductivity. The 40% crosslinked membrane showed the highest relative humidity, normalized conductivity, and peak power density, surpassing commercial membranes.
Scientists have developed a new method to enhance electron-photon coupling, resulting in a hundredfold increase in light emissions. The approach uses a specially designed photonic crystal to produce stronger interactions between photons and electrons.
The Inflation Reduction Act offers significant benefits for public health through its tax credits and financial incentives. The law aims to reduce the adverse health effects of climate change by targeting greenhouse gases, conventional air pollutants, and carcinogenic chemical contaminants. By providing a more politically feasible appr...
Scientists discover a new mechanism of high proton conduction in hexagonal perovskite-related oxides, utilizing oxygen-deficient layers and water uptake to produce superior proton conductors. These materials can be used for renewable energy production and storage devices, promising a more efficient transition to clean power.
Scientists are rethinking electrolyte design for future battery generations, considering factors like interphases and solid-state electrolytes. They're using AI and automated laboratories to identify optimal electrolyte characteristics and reduce human error.
Researchers developed an all-optical approach to pumping chip-based nanolasers, enabling dense arrays of highly precise devices. This method could aid in meeting the growing need for faster data processing, streaming ultra-high-definition movies and gaming.
Researchers achieved unprecedented extreme physical conditions using a 100 PW laser system, enabling new applications and fundamental science. The system features an OPCPA front end that supports peak powers of 263 TW and pulse durations as short as 13.4 fs.
Researchers at Binghamton University have developed ingestible biobatteries that utilize microbial fuel cells with spore-forming Bacillus subtilis bacteria to power sensors and Wi-Fi connections. The biobatteries can generate up to 100 microwatts per square centimeter of power density, enough for wireless transmission.
Researchers at UIC have created an integrated system that captures carbon dioxide from flue gas and converts it to high-purity ethylene, achieving net-negative carbon emissions. The system's modular design allows for easy scaling up and down, making it a potential breakthrough in sustainable ethylene production.
Scientists at KTH Royal Institute of Technology have developed a method to harness electricity from wood placed in water, producing small amounts of bioelectricity. By nanoengineering the wood's surface area and porosity, they improved electricity generation by 10 times compared to natural wood.
A research team at Tohoku University developed a batteryless device that can detect COVID-19 particles in the air using magnetostrictive composite plates. The device operates without batteries and transmits signals wirelessly, making it suitable for integration with IoT technologies.
Researchers at Pusan National University have developed a new, energy-efficient process to control the orientation of filler particles in thermally conductive polymer composites. This allows for improved heat dissipation in electronics and batteries, reducing energy costs and extending device lifespan.
Scientists at North Carolina State University have created a low-cost solution for making wearable electronics by embroidering power-generating yarns onto fabric. The technique allows for self-powered sensors, including motion tracking and numeric keypads, with durable performance even after washing and rubbing tests.
A team of researchers created a simple and inexpensive triboelectric nanogenerator using store-bought double-sided tape, plastic film, and aluminum metal. The device was able to produce higher power densities than previous versions, making it suitable for powering everyday devices such as LEDs and laser diodes.
Scientists at Argonne National Laboratory have discovered tiny magnetic vortices called skyrmions that could store data in computers, promising 100-1000 times better energy efficiency than current memory. The team used AI and a high-power electron microscope to visualize and study the behavior of these micro-scale magnetic structures.
Researchers have discovered a non-biological material that mimics learning behavior through electrical stimuli, enabling a new generation of supercomputers with AI capabilities. The discovery could overcome the stability-plasticity dilemma in AI development, allowing for more efficient and adaptable computing systems.
Scientists at Tokyo Tech developed an electrostatic actuator capable of generating forces comparable to human muscles, but with lower voltage requirements. The device uses ferroelectric liquid crystals and a 3D-printed electrode to produce contraction and expansion at low voltages.
Researchers have developed a method for centimeter-scale color printing using grayscale laser writing, achieving vivid and fine-tunable colors. The technique leverages pixelated optical cavities to generate transmission colors with a transmission efficiency of 39-50%.
Researchers at West Virginia University are exploring a new approach to produce clean hydrogen fuel using low-tech organic materials. They aim to create efficient and economically viable gasification systems that can transform biomass into ultrapure hydrogen, reducing greenhouse gas emissions.
Researchers at Tokyo Institute of Technology have developed a novel nanowire fabrication technique, allowing for the direct creation of ultrafine L10-ordered CoPt nanowires with high coercivity on silicon substrates. The technique enables significant improvements in spintronic device fabrication.
Researchers from South China University of Technology have developed novel surface modification techniques for nickel-rich layered oxide cathode materials, improving their electrochemical performance. The techniques allow for high-performance nickel-rich cathode materials to be synthesized, enabling in-depth mechanisms to be captured a...
A KAUST-led team creates selective anode catalysts for stable and efficient hydrogen evolution in seawater splitting. The nanoreactors exhibited high electrocatalytic activity and stability due to their unique structure, isolating the electrolysis from side reactions.
Scientists have successfully tracked CO2 emissions from the Bełchatów power plant in Poland using existing satellites. The study demonstrates that tracking-at-the-source is already possible for 'super-emitters' like this facility, and its success is an important achievement. The results indicate that the EU's planned CO2M mission will ...
A recent review article summarizes the latest developments in finite-control-set model predictive control (FCS-MPC) strategies for PMSMs. FCS-MPC is a promising approach to optimize drive systems, but challenges remain, including computational complexity and parameter uncertainty.
Researchers at MIT designed simple microparticles that can collectively generate complex behavior, generating a beating clock that can power tiny robotic devices. The particles use a simple chemical reaction to interact with each other and create an oscillatory electrical signal.
Nagoya University scientists developed a controller with a sleep mode to procure energy only when needed, reducing the need for storage batteries and capacitors. This innovative solution enables efficient energy saving and promotes the practical application of power packet type energy Internet.
A study by Duke University and Appalachian State University reveals that coal ash pollution has been more persistent and widespread than previously known, with large quantities deposited in lake sediments. The contaminants can leach into the aquatic food chain, posing chronic risks to ecosystems.
Researchers at the Max Born Institute have used novel ultrashort soft X-ray spectroscopy to study the fate of molecular nitrogen when an electron is kicked out. They found that the B state has a similar degree of excitation as the X state, contradicting previous models. Instead, a coherent interplay between light fields enables lasing ...
A study by Duke University researchers found that rooftop solar cells can save a significant amount of water, with households saving an average of 16,200 gallons per year. Converting to solar in homes reduces the use of grid electricity and therefore also the volume of water used.
The ANEMEL project aims to develop efficient electrolysers for green hydrogen production, targeting low-grade water sources. The €3 million EU funding will expedite prototype design and catalyse commercialisation of the technology.
Researchers at Cornell University have created smart microrobots that can walk autonomously using electronic brains. The robots, powered by photovoltaics, feature a complementary metal-oxide-semiconductor (CMOS) clock circuit and platinum-based actuators. With this innovation, scientists can track bacteria, sniff out chemicals, destroy...
A novel 937-nm laser source has been developed for multiphoton microscopy, enabling deep tissue imaging at depths of over 600 µm with only 10 mW of power. This breakthrough technology offers a good balance between sensitivity, penetration depth, and imaging speed.
The new photodetector design combines long-range transport of optical energy with long-range conversion to electrical current, mimicking the photosynthetic complexes found in plants. The device can gather light from areas of about 0.01 mm² and achieve conversion of light to electrical current over exceptionally long distances of 0.1 nm.
A new study finds that adapting to climate change will require more energy than previously estimated, leading to higher energy investments and costs. Ambitious mitigation policies can cut the increase in energy system costs induced by adaptation, resulting in net gains.
Researchers at NUS developed a self-charging fabric-based 'battery' that can generate electricity from air moisture using sea salt as an absorbent. The device provides higher electrical output than conventional AA batteries and has long-lasting performance.
Researchers have developed a method to create colorful solar panels by applying a thin layer of photonic glass, which reflects selective colors based on microscopic zinc sulfide spheres. The new technology results in energy efficiency improvements of up to 21.5% while maintaining color and durability.
Researchers at Gwangju Institute of Science and Technology improve triboelectric nanogenerators by using mesoporous carbon spheres to enhance charge transport and surface charge densities. The device achieves a 1300-fold higher output current, enabling potential sustainable energy harvesting.