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A pinch of chili gives perovskites a kick

Scientists in China found that capsaicin, the natural compound responsible for a chili pepper’s spicy flavor, can also act as a ‘secret ingredient’ in perovskite solar cells, making them both more efficient and stable. The group added capsaicin to the precursor materials of a common perovskite, leading to dramatic improvements in the resulting solar cell.

EU records annual rise of 7 TWh in third-quarter solar output

European renewables, including Spanish solar, made big gains as energy demand recovered before the second wave of Covid infections. Nuclear was a notable loser, in part because clean energy volumes in the north of the continent drove down power prices sufficiently to make reactors uncompetitive.

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Complementary hybrid PV systems can reduce reliance on storage

Looking back over years of research into the topic of hybrid systems based on different combinations of solar, wind, hydro and other renewables, an international group of scientists found strong potential for strategies to exploit complementarity between the different sources integrate more intermittent renewables onto regional and national grids. The scientists present a series of conclusions and recommendations that aim to push research in hybrid renewables forward.

Sweden issues €5m call for battery studies

Researchers have just under four weeks to apply for backing for their projects, in areas including battery reuse and recycling, circular manufacturing and supercapacitors.

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Sweden continues rooftop PV rebate scheme for businesses, municipalities

Sweden was set to replace its rebate scheme with unspecified tax breaks by the end of this year, but the government has instead decided to allocate another $31.5 million for 2021 – for enterprises and municipalities only.

15-year PPA for 18 MW solar park in Sweden

Built by solar developer Alight, the PV plant will provide 40% of restaurant and catering company Martin & Servera’s electricity demand.

Adaptive solar shade system means horticulturalists can smell the roses

Researchers have modeled the effects of various PV module arrangements on a greenhouse used for rose growing in Iran’s Shiraz region. The team determined a ‘sweet spot’ where modules produced the most energy and provided optimal growth conditions for the crop.

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Midsummer to set up 50 MW BIPV module factory in southern Italy

Through this new project, the Swedish CIGS turnkey equipment supplier aims to expand its presence in southern European PV markets.

New tech to apply perovskite thin-film layers to conventional solar panels

According to its creator, Swedish start-up Evolar, the new technology can be applied to existing production lines for crystalline silicon modules and increase a product’s efficiency by around 5%.

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Organic redox flow battery with PEDOT electrodes

Swedish scientists have developed a redox flow battery with polymer electrodes, based on a special conductive polymer known as PEDOT. The battery features a water-based electrolyte based on a solution of redox quinone molecules, which can be extracted from forest-based materials.

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