Technology

Cooling down PV panels with water

France’s Sunbooster has developed a technology to cool down solar modules when their ambient temperature exceeds 25 C. The solution features a set of pipes that spread a thin film of water onto the glass surface of the panels in rooftop PV systems and ground-mounted plants. The cooling systems collect the water from rainwater tanks and then recycle, filter and store it again. The company claims the technology can facilitate an annual increase in power generation of between 8% and 12%.

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Intersolar Europe canceled

Another big solar event has joined the list of those canceled because of Covid-19. The next edition of The Smarter E event will take place next year.

French-German alliance for vertical PV

French energy giant Total and German start-up Next2Sun have joined forces to develop vertical PV solutions in the French market. The oil group’s unit Total Quadran plans to use the solution in agrivoltaic projects.

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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.

Solar tiles for new and historic buildings

Available in three versions, the product costs around $307-324 per square meter although prices will vary depending on project complexity. Swiss manufacturer Freesuns says its tiles can be used on historic buildings and can cover 100% of rooftops.

Limited impact of Covid-19 on Germany’s rooftop PV market

The Covid-19 crisis has far-reaching effects – including on the PV industry and solar installation market. The results of a survey conducted in a recent pv magazine webinar painted a picture of businesses unsettled by the pandemic but still taking orders at present.

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Sheep in search of a solar plant

A large sheep farming company in Germany is seeking PV asset owners who will let its animals graze sustainably at solar project sites, in a move that could be a win-win situation for everyone.

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Australian researchers make lithium extraction breakthrough

Researchers led by Monash University have made a discovery that will dramatically reduce lithium-from-brine extraction times. The innovative breakthrough is as simple as a sieve.

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BIPV relying on voltage source inverters for grid stabilization

According to a Norwegian group of researchers, the reactive power capability of three-phase voltage source inverters can help to reduce problems caused by the intermittent nature of solar power on distribution networks. The scientists claim they are preferable to expensive grid infrastructure such as under-load tap changing transformers, step voltage regulators, and fixed and switchable capacitors. The group has developed a system model featuring a 7.63 kW PV array module, a three-phase voltage source inverter with 9.5 kVA of capacity, a boost converter, a three-phase dynamic load, and a utility grid.

Organic solar cell with new film morphology and 16.88% efficiency

Chinese scientists have developed a single-layered organic solar cell based on non-fullerene acceptors with improved fill factor and short-circuit current density. They achieved their results with a new morphology that could be more suitable for vertical charge transport.

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