Inverted perovskite-silicon tandem solar cell with 29.3% efficiency
Researchers in Saudi Arabia have built an inverted perovskite-silicon tandem device with a 1 nm thick interlayer based on magnesium fluoride (MgFx). They claim it can stop voltage losses and increase power conversion efficiency, while retaining 95.4% of its initial efficiency after 1,000 hours.
Prefab floating solar for easy installation
A Norwegian startup has patented a floating solar system made of panels laminated on top of double-aluminum sheets. The pre-stringed floats are rolled out on site and towed into place.
Linear generator running on hydrogen, ammonia
Mainspring Energy, a US linear generator specialist, has adapted its technology so its generators can run on hydrogen and ammonia. It said the generators can ramp up and down quickly via solar, with the ability to dynamically switch between different kinds of fuels.
pv magazine Roundtables Europe 2022: Back to the future
Down below, you can see a quickfire summary of some of the events held and points raised on day one of pv magazine‘s Roundtables Europe event.
Four-mode hydrogen plant to accommodate renewables
Bio-FlexGen, an EU research project, seeks to develop a combined heat and power plant (CHP) system with hourly, daily and seasonal flexibility via hydrogen production from biomass.
Single-axis trackers on commercial rooftops increase generation by 37%
Alion Energy trackers thread the return-on-investment needle with productivity gains from white roofs and bifacial modules, while design aggressively maximizes module count.
DMEGC launches M10 rooftop solar modules with 410 W of output
China’s DMEGC has released new solar panels with power conversion efficiencies of up to 21.2% and temperature coefficients of -0.33% per degree Celsius. They can be used with maximum system voltages of 1,000 V or 1,500 V.
CEA-INES develops 18.95%-efficient flexible perovskite solar panels
French researchers have developed PV modules with an area of 11.6 square centimeters for indoor applications. They said the achieved efficiency level marks a world record for a flexible perovskite device larger than 10 square centimeters.
Spain hit by biggest solar radiation decline in 28 years in March
Spain recorded a 50% decrease in solar radiation due to bad weather in March – the biggest decline since the beginning of satellite records in 1994. By contrast, irradiation levels in Germany and the Balkans were 45% higher during the same period.
Photon-enhanched rechargeable batteries for solar storage
Japanese scientists have analyzed storage systems that combine PV and high-energy-density metal batteries. The rechargeable batteries have advantages such as low-charge voltage and high energy density, but stability and safety must be addressed before they reach commercial maturity.
