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1,000+ results for "Solar System"

Solar batteries: a new material makes it possible to simultaneously absorb light and store energy

Researchers at the University of Córdoba have designed a solar battery that can absorb light and store energy using a new material composed of 2D carbon nitride. This device combines optical simulations and photoelectrochemical experiments to achieve high performance, with potential applications in various fields.

SourceUniversity of Córdoba·JournalAdvanced Energy Materials·TypeExperimental study·DateJul 27, 2023

Molecular filament shielded young solar system from supernova

A new calculation shows that a molecular gas filament protected the young Solar System from a nearby supernova explosion, allowing it to capture radioactive isotopes found in meteorites. The filament acted as a buffer, protecting the nascent Sun and helping to channel the isotopes into the forming Solar System.

SourceNational Institutes of Natural Sciences·JournalThe Astrophysical Journal Letters·TypeComputational simulation/modeling·DateJun 22, 2023

How solar-powered airships could make air travel climate-friendly

Researchers have identified optimal flight routes for solar-powered airships, which can significantly reduce both transport costs and CO2 emissions of air travel. With a maximum of five percent of carbon dioxide generated compared to conventional air transport, solar airships offer a promising alternative.

SourceFriedrich-Alexander-Universität Erlangen-Nürnberg·JournalInternational Journal of Sustainable Energy·DateApr 26, 2023

BepiColombo and Solar Orbiter compare notes at Venus

The BepiColombo and Solar Orbiter missions provided a unique insight into Venus' atmosphere retention through their gravity-assist flyby. The study revealed that the induced magnetosphere protects the atmosphere from solar wind erosion, extending to an unexpected distance of 1,900 km above the planet's surface.

SourceEuroplanet·JournalNature Communications·TypeObservational study·DateJan 26, 2023

Cooling down solar cells, naturally

Researchers found that optimizing solar panel spacing and direction can increase energy production by 2-3% through natural convection. The study's model improves estimates of solar plant efficiency, paving the way for more accurate cost predictions.

SourceAmerican Institute of Physics·JournalJournal of Renewable and Sustainable Energy·DateNov 29, 2022

International research collaboration produces all-perovskite tandem solar cell with high efficiency, record voltage

A team of researchers from the University of Toronto and Northwestern University has developed an all-perovskite tandem solar cell with extremely high efficiency and record-setting voltage. The prototype device demonstrates the potential of this emerging technology to overcome key limits associated with traditional silicon solar cells.

New study of comets provides insight into chemical composition of early solar system

A new study of 25 comets has found strong evidence that comet outgassing could be the source of the chemical composition of the early solar system. The research, led by Olga Harrington Pinto, measured the ratio of water, carbon dioxide, and carbon monoxide gases from comets to test predictions of solar system formation and evolution.

SourceUniversity of Central Florida·JournalThe Planetary Science Journal·TypeLiterature review·DateNov 4, 2022

How scientist developed an intelligent fuzzy logical control to stabilize solar sail?

Researchers developed an intelligent FLC designer to create stable solar sail attitude control without a priori knowledge or excessive manual workload. The IFLCD uses neural network modelling and automatic design method to solve the black-box and time-varying control problem, making it suitable for unmanned and complicated systems.

SourceBeijing Institute of Technology Press Co., Ltd·JournalSpace: Science & Technology·DateNov 1, 2022

Achieving photovoltaic power generation for over 1,000 continuous hours at an efficiency of more than 20%

Researchers developed a durable perovskite solar cell capable of generating electricity for over 1,000 continuous hours with an efficiency of more than 20%. The team improved durability by creating a water-repellent interface between the electron and hole transport layers.

SourceNational Institute for Materials Science, Japan·JournalAdvanced Energy Materials·TypeExperimental study·DateOct 5, 2022

Environmental impact of perovskite-on-silicon solar PV modules lower than silicon alone

A recent study found that perovskite-on-silicon solar PV modules have 6-18% less environmental impact than traditional silicon modules over their 25-year lifetime. The tandem technology's higher power conversion efficiency compensates for its additional material and production costs.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalSustainable Energy & Fuels·TypeExperimental study·DateJul 12, 2022

Singapore team develops new technology that upcycles old, expired solar panels into heat-harvesting electricity materials

A team of scientists from A*STAR and NTU Singapore have developed technology to transform expired solar cells into enhanced thermoelectric material, which harvests heat and converts it into electricity. The technology achieved a record-high thermoelectric figure of merit of 0.45 at 873 K.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalAdvanced Materials·TypeExperimental study·DateJun 29, 2022

Novel solar cell architecture performs well under real-world constraints

Researchers developed a hot-carrier multijunction solar cell that maintains high conversion efficiency with nonoptimal materials, expanding the scope of candidate designs. The novel architecture showed superior resilience to design imperfections, widening the range of suitable materials and operating conditions.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Photonics for Energy·DateJun 1, 2022