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Categories: Energy: Alternative Fuels, Engineering: Graphene

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Researchers have made a technological breakthrough and constructed a perovskite solar cell with the dual benefits of being both highly efficient and highly stable.

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Scientists describe the formation of a superdense monolayer of hydrogen on highly ordered mesoporous silica near the boiling temperature. Theoretical studies and simulations confirm the experimental observations of the unusually high hydrogen density in the adsorbed layer and may also open new possibilities for enhancing the volumetric capacity of cryogenic hydrogen storage systems.

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Solar cells manufactured from materials known as 'perovskites' are catching up with the efficiency of traditional silicon-based solar cells. At the same time, they have advantages of low cost and short energy payback time. However, such solar cells have problems with stability -- something that researchers have now managed to solve. The results are a major step forwards in the quest for next-generation solar cells.

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Accelerating demand for renewable energy and electric vehicles is sparking a high demand for the batteries that store generated energy and power engines. But the batteries behind these sustainability solutions aren't always sustainable themselves. Scientists have now create a zinc battery with a biodegradable electrolyte from an unexpected source -- crab shells.

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Wind power is an increasingly popular form of renewable energy. But when it's time to replace the huge turbine blades that convert wind into electricity, disposal is a problem. Today, scientists report a new composite resin for making these behemoths that could later be recycled into new turbine blades or many other products, including countertops, car taillights, diapers and even gummy bears.

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How do different materials react to the impact of ions? This is a question that plays an important role in many areas of research -- for example in nuclear fusion research, when the walls of the fusion reactor are bombarded by high-energy ions. However, it is difficult to understand the temporal sequence of such processes. A research group has now succeeded in analyzing on a time scale of one femtosecond what happens to the individual particles involved when an ion penetrates materials such as graphene or molybdenum disulphide.

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Researchers have used an atomically thin material to build a device that can change the color of laser beams. Their microscopic device -- a fraction of the size of conventional color converters -- may yield new kinds of ultra-small optical circuit chips and advance quantum optics.

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Wind energy continues to see strong growth, solid performance, and attractive prices in the U.S., according to a recent report.

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Superconductors are the key to lossless current flow. However, the realization of superconducting diodes has only recently become an important topic of fundamental research. An international research team has now succeeded in reaching a milestone: the demonstration of an extremely strong superconducting diode effect in a single two-dimensional superconductor.

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Orchestral ensembles have faced many challenges when starting to perform again during the COVID pandemic, and contamination is a chief concern: specifically, whether wind instruments are vectors of contamination through aerosol dispersion. Researchers worked with musicians to deepen our understanding of how much aerosol is produced and dispersed by wind instruments. They used visualization to characterize the flow, tracked fog particles in the air, and measured aerosol concentration from wind instruments with a particle counter. Then they combined these to develop an equation to describe aerosol dispersion.

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An international research team has detected novel quantum effects in high-precision studies of natural double-layer graphene. This research provides new insights into the interaction of the charge carriers and the different phases, and contributes to the understanding of the processes involved.

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A new design for solid-state hydrogen storage could significantly reduce charging times.

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Engineers have developed a method to increase wind farms' energy output. Whereas individual turbines are typically controlled separately, the new approach models the wind flow of the entire collection of turbines and optimizes the control of individual units.

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New algorithm forces turbines in wind farms to be team players, boosting energy output overall.

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Across the United States, local wind and solar jobs can fully replace the coal-plant jobs that will be lost as the nation's power-generation system moves away from fossil fuels in the coming decades, according to a new study.

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While scientists have hoped that rechargeable zinc-manganese dioxide batteries could be developed into a viable alternative for grid storage applications, engineers have now identified the atomistic mechanism of charge and discharge in such batteries.

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Engineers have designed and successfully tested a more efficient wind sensor for use on drones, balloons and other autonomous aircraft.

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A team of researchers has developed a water-activated disposable paper battery. The researchers suggest that it could be used to power a wide range of low-power, single-use disposable electronics -- such as smart labels for tracking objects, environmental sensors and medical diagnostic devices -- and minimize their environmental impact.

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Scientists have used neutron scattering to determine whether a specific material's atomic structure could host a novel state of matter called a spiral spin liquid. By tracking tiny magnetic moments known as 'spins' on the honeycomb lattice of a layered iron trichloride magnet, the team found the first 2D system to host a spiral spin liquid.

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Graphene scientists have created a novel 'nano-petri dish' using two-dimensional (2D) materials to create a new method of observing how atoms move in liquid.