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Eastern Europe

Single‐walled carbon nanotubes for more efficient III‐V solar cells

Russian researchers have improved the efficiency of a thin-fim GaAs‐based solar cell by 0.9% by applying single‐walled carbon nanotubes as the topmost layer. The cell also showed a slight increase in the short circuit current density, from 16.9 to 17.9 mA/cm2.

Solar pavement for outdoor applications

Hungarian tech company Platio has developed solar pavement for outdoor applications in urban environments, homes, office buildings, shopping malls, and public infrastructure projects. The pavement consists of solar tiles that may cost between €50 and €80, depending on the size and characteristics of projects.

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Solar project gets under way at Polish coal site

Despite Covid-19 hampering development, construction and financing Polish energy giant Tauron will start constructing a 5 MW solar project on a former coal-fired power station site.

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Covid-19 daily bulletin: Italian PV developers do their bit for the nation

Solar project owners responded to an appeal to donate a portion of their solar incentive payments to the public health authorities as another multinational body emphasized the importance of coronavirus fiscal stimulus packages having environmentally-friendly conditions attached.

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PV-powered hand sanitizer wins Covid-19 hackathon

An ESA-backed hackathon raised the idea of turning end-of-life PV modules into hand sanitizers. The team that won the hackathon is now working to rapidly roll out the solution at scale to contain the Covid-19 spread.

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Renewables and geopolitics: Who will ‘win’ the energy transition?

The losers in a world which no longer runs on fossil fuels are obvious but the dividend from shrugging off hydrocarbon dependency will be spread around most of the world so it is the nations which are winning the cleantech manufacturing and intellectual property race which appear best positioned for the future.

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All-in-one device integrating a microinverter and optimizer

The so-called Optiverter is an all-in-one residential solution developed by startup Ubik Solutions and researchers from Estonia’s TalTech Power Electronics Research Group. The developers claim that the new solution can provide 30% more power than traditional microinverters under partially shaded conditions.

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A battery breakthrough for titanium cathodes

Scientists in Moscow have developed a titanium-based electrode material for metal-ion batteries they claim challenges the perceived wisdom of the element’s cathode potential and which could give researchers a ‘playground’ for the design of sustainable, cost-effective, titanium-based electrodes.

European Council raises hopes of green stimulus package

The economic fallout of the Covid-19 outbreak is yet to be determined but as legislators scramble to establish fiscal support for the EU it is becoming clear the suits in Brussels are not prepared to scrap their hard-won Green Deal plan. Quite the opposite, in fact.

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Hungary allocates 131.4 MW of PV in renewables auction

Solar developers secured 131.4 MW of the capacity awarded in the auction, while a biomass installation accounted for the remaining 500 kW of capacity. The national energy regulator will provide 15-year feed-in premium payments to the winning projects.

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