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Monolithic fuel cell with power density of 5.6kW/L

An international research group has developed a solid oxide fuel cell that may be used in vehicles. The monolith device has an active cell area of around 18 cm2 and was built through common manufacturing processes. It was found to achieve a high power density of 5.6 kW/L, which the scientists said is comparable with that of the best performing fuel cells based on ceramic anodes.

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Symmetric redox flow battery based on Blatter radicals

A Dutch-Danish research group has provided a proof of concept for the use of Blatter radicals in electrochemical energy-storage applications. It tested these compounds in a small electrochemical cell that was found to remain stable over 275 charge/discharge cycles.

Demonstrator machine for high-throughput solar cell metallization

Developed by Germany’s Fraunhofer Institute for Solar Energy Systems ISE and ASYS Automatisierungssysteme GmbH, the new machine is claimed to increase the print process throughput by a factor of 1.5.

Snow, ice-repellent coating for solar panels

Researchers in Sweden are currently testing three kinds of coatings — hydrophobic, superhydrophobic and slippery liquid-infused porous surfaces. The goal of the new technology is to halve ice adhesion compared to standard modular glass and ensure 96% light transmittance.

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Italian research agency ENEA launches call for innovative agrivoltaics

The agrivoltaic facility may have a capacity of 1 to 3 MW and will have to be designed to comply with landscape requirements and the agricultural practices of NeoruraleHub, which applies a blue economy model to agriculture.

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POLO-IBC solar cell with 23.7% efficiency

Scientists in Germany have developed two kinds of solar cells based on n-type doped electron-collecting poly-Si on oxide (POLO) junctions with aluminum-alloyed p+ contacts. Both devices are claimed to be possible upgrades of PERC technologies. The best-performant cell is an IBC device showing a power conversion efficiency of 23.71%, an open-circuit voltage of 711.5mV, a short-circuit current of 41.3mA/cm2, and a fill factor of 80.9%.

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New solar tiles from Denmark

Danish BIPV specialist Dansk Solenergi has added two more tiles to its product range – an 18.15%-efficient dark grey panel and a 16.7%-efficient terracotta product. Both panels have an operating temperature coefficient of -0.34% per degree Celsius.

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Double-junction perovskite-tin sulfide PV cell design with up to 28.92% efficiency

An Iranian-Italian research group has simulated a double-junction tandem solar cell based on perovskite and tin sulfide. They said that it can reach an efficiency rating of between 22.9% and 28.92%.

Masdar begins work on 230MW solar park in Azerbaijan

Construction on the project is planned to be finalized by the end of this year. The solar facility will likely supply power to the nearby located Garadagh Industrial Park.

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Storing renewable electricity with supercritical CO2 heat pump

Researchers in Spain have designed a pumped thermal energy storage system that uses supercritical carbon dioxide as a heat pump and a heat engine. The proposed system is claimed to achieve an efficiency of 80.26% and an LCOS of €0.116/kWh.

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