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Rooftop solar panels could power one third of US manufacturing sector

A new study reveals that rooftop solar arrays can meet the entire electricity demand of up to 35% of US manufacturers, currently accounting for only 2.2% of the grid mix. The research investigates the feasibility of on-site solar panel installations across different regions and manufacturing sectors in the US.

SourceIOP Publishing·JournalEnvironmental Research Infrastructure and Sustainability·DateMay 11, 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

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

400 GW wind, solar power per year to meet 1.5 C Paris Agreement

To achieve the EU's climate neutrality goal by 2050 with a maximum temperature increase of 1.5 degrees Celsius, a massive rollout of solar and wind power is required, along with investments in Power-to-X technologies and carbon capture. The model suggests installing 400 GW of new solar and wind energy capacity every year from 2025-2035.

SourceAarhus University·JournalJoule·TypeComputational simulation/modeling·DateMay 18, 2022

New light on organic solar cells

Researchers at Linköping University have identified the key to minimizing energy losses in organic solar cells. By studying the energy level alignment at donor/acceptor interfaces, they discovered a systematic mapping that points to new ways forward for developing more efficient and sustainable solar cell materials.

SourceLinköping University·JournalNature Communications·DateMay 17, 2022