Articles tagged with Electric Generators
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Researchers have developed a new material, coronene-Br2 NDA cocrystal, which converts solar heat into electricity with an exceptional photothermal conversion efficiency of 67.2% under 808 nm irradiation. The material is integrated into a thermoelectric generator to achieve high-performance solar-thermoelectric energy harvesting.
Households who purchase private substitutes still pay for the electric grid, benefiting some lower-income households with bill savings over lost reliability. Private substitute ownership has increased over time, changing public grid reliability.
Researchers at Binghamton University have developed a paper-based wearable device that captures moisture from the air and converts it into electricity. The device uses bacterial spores to break down water molecules into ions, generating an electric charge.
The paper proposes a novel method for modeling hybrid renewable energy systems using high-efficiency converters and generators. The research results show that the front-end converter is suitable for isolating sources from loads and enhancing DC bus voltage, with simple control algorithms and reduced switching losses.
A research group at Chalmers University of Technology has developed a silk thread coated with a conductive plastic material that can generate electricity from temperature differences. The thread shows promising properties for turning textiles into electricity generators, which could be used to monitor health or charge mobile phones.
Researchers at POSTECH have developed an innovative approach to enhance the efficiency of thermoelectric materials by altering their geometry to resemble an hourglass shape. This breakthrough could lead to widespread applications in thermoelectric power generation, converting waste heat into electricity.
Researchers developed a novel nanoporous material with exceptional piezoelectric capabilities, outperforming traditional lead-based materials. The material's ultra-thin structure and straightforward synthesis approach make it a highly promising candidate for future high-density energy harvesting.
A breakthrough energy management unit (EMU) boosts the power efficiency of electrostatic generators for Internet of Things (IoT) applications. The innovation addresses impedance mismatch, enabling efficient environmental energy harvesting in IoT devices. This advancement enables self-powered IoT devices with unprecedented efficiency.
Scientists have developed an engine that efficiently converts energy from water evaporation into electricity, producing outputs exceeding 100 volts. The device can operate for several days using only 100 milliliters of water as fuel.
Researchers are developing a new framework to integrate renewable energy sources with the power grid using machine learning. The goal is to ensure efficient and stable operations while maximizing wind and solar power usage.
A team of experts at PNNL developed a new tool that sorts and prioritizes cyber threats on the fly, giving grid operators a clear blueprint to identify and address the biggest threats first. The approach uses hybrid attack graphs and optimization to reduce the number of potential attacks from thousands to fewer than 100.
University of Waterloo researchers investigate how fuel cell-powered trucks can replenish overworked electricity grids with clean energy. The study proposes a mobile generator system, where idled electric vehicles act as power sources, reducing peak demand and carbon emissions.
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 new thermoelectric generator that can generate electricity using heat from the sun and radiative element, providing reliable power source for outdoor sensors and wearable electronics. The device works continuously during day or night and in cloudy conditions, addressing constraints of traditional power sources.
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 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.
The article discusses how the Inflation Reduction Act's hydrogen production tax credit could backfire by increasing carbon pollution without proper implementation. To mitigate this, researchers suggest enforcing additional guidelines for clean energy procurement alongside the tax credit.
Researchers developed a new approach to analyze coercivity in soft magnetic materials using machine learning and data science. The method condenses relevant information from microscopic images into a two-dimensional feature space, visualizing the energy landscape of magnetization reversal. This study showcases how materials informatics...
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.
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.
Researchers at Chalmers University of Technology have successfully converted solar energy into electricity using a thermoelectric generator. The new technology can store solar energy for up to 18 years and release it when needed, making it a promising solution for renewable energy production.
Researchers developed a photovoltaic cell that harnesses energy from temperature differences between the cell and surrounding air, generating 50 milliwatts per square meter at night. The device avoids need for batteries and can be incorporated into existing solar cells, making it suitable for remote locations with limited resources.
Researchers developed Electric Truck Hydropower to harness the potential of steep mountain ranges, generating 1.2 PWh electricity per year, equivalent to 4% of global energy consumption. The technology uses existing road infrastructure and regenerative brakes to convert water into electricity.
A new study found that nearly all fine particulate air pollution sources affect people of color more than whites, with industry and vehicle emissions being major contributors. The disparities persist across income levels and geographic regions, suggesting systemic issues behind the findings.
A new paper evaluates the PJM Interconnection, finding that extreme temperatures affect generator output and capacity requirements. Monthly procurement targets can reduce reserve margins and economic costs.
A nationally representative survey of 16,000 US households found that those with disaster preparedness tend to have higher socioeconomic status and insurance coverage. Households with stockpiles of food and water, electric generators, and communication plans are more likely to be prepared for disasters.
A new study finds that electric cars produce lower carbon emissions than petrol cars in 95% of the world, even when production and electricity generation are considered. The research suggests that even in regions with high fossil fuel usage, such as Poland, driving an electric car is better for the climate.
A study by MIT researchers found that over half of US air-quality-related early deaths are caused by emissions from other states. Electric power generation is the main culprit, accounting for up to 75% of cases. However, deaths associated with air pollution have decreased significantly since 2005, with a 30% reduction in 2018.
Researchers at Hokkaido University have discovered a new way to start chemical reactions using mechanical force, eliminating the need for organic solvents. The method, called mechanoredox reaction, generates highly reactive radicals that undergo bond-forming reactions with high efficiency.
Researchers at the Smithsonian's National Museum of Natural History have discovered three distinct species of electric eels in the Amazon basin, showcasing their remarkable diversity and adaptability. The newly identified species can produce up to 860 Volts of electricity, significantly more than previously known species.
Scientists from Peter the Great St. Petersburg Polytechnic University developed a turbo expander electric generator operating on high-pressure natural gas. The device converts part of the emitted energy into electrical power, generating sustainable electricity without additional fuel.
Researchers from RIKEN Quantitative Biology Center create a new type of electricity generator based on the electric organs of torpedoes, achieving peak voltages and currents comparable to conventional systems. The breakthrough could lead to a future high-efficiency power generator that uses ATP directly.
The researcher aims to understand how electric fish manage energy for signal production, which could benefit human heart failure prevention. The project may also lead to broader impacts in education and research.
Research on weakly electric fish reveals the complexity of their electrocommunication methods, including multiple neural coding systems and diverse behavioral responses. The study sheds light on the evolution of these unique sensory systems in different species.
Dionysios Aliprantis is working on a project to develop computer modeling technology that will show engineers how to design and shape electric motors to increase power generation. By optimizing performance in one direction of rotation, the goal is to get more power out of the same size motor or achieve the same power with a smaller motor.
A UK team has developed a novel electric motor for hybrid electric and pure electric vehicles that replaces rare earth metals with steel. This innovative technology aims to reduce the environmental impact and costs associated with mining these scarce materials.
Wind power variability poses a challenge for grid systems. Researchers are developing methods to measure wind farm capacity contribution and establish energy storage systems to manage this variability. The goal is to enable more efficient integration of wind power into existing power systems.