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Non-fullerene organic solar cell with selenium acceptor achieves 19% efficiency

Researchers in China have designed an organic solar cell the uses an acceptor based on selenium as an alternative to commonly utilized non-fullerene acceptors. The new acceptor enabled the cell to have reduced non-radiative recombination loss and improved dielectric constant.

Improving performance ratio of PV systems via shading effect

Researchers in Indonesia have investigated how shading effects may influence the performance ratio of a PV system. Their analysis also considered payback period and return on investment.

Spanish scientists develop thermoelectric heat pump for thermal energy storage

A Spanish research group has investigated how thermoelectric heat pumps may be used as power-to-heat technology to increase temperatures in thermal energy storage systems. It found the proposed system configuration may achieve an overall efficiency of 112.6% at at 135 C.

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Assessing wind sensitivity of offshore floating solar

Researchers in China have conducted a numerical study on the wind sensitivity of offshore floating solar plants. They have tested six row-arrangements of panels and have found an optimal system configuration that is reportedly less sensitive to wind direction.

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PV-driven green hydrogen may be sold in Australia at $2/kg by 2030

Australian researchers have calculated the levelised cost of green hydrogen under different installed capex scenarios for 2030. They also looked into the different possible sizing of PEM electrolyzers.

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New machine learning tech for short-term PV power generation forecasting

Researchers in China have applied a machine learning technology based on temporal convolutional networks in PV power forecasting for the first time. The new model reportedly outperforms similar models during all seasons.

Israel hits 51% renewable production for first time

The Israeli government said that earlier this month, for several minutes, renewable energy accounted for most of the nation’s energy production. In particular, solar covered 45% of total generation.

German startup unveils PV charging-parking system for e-scooters, bikes

German startup Domum has developed PV charging-parking systems for e-scooters and e-bikes. They use up to 660 W of solar panels.

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Israeli startup develops PV-driven cooling system based on compressed air

Storage Drop has secured a grant from the European Union to develop its PV-driven cooling system technology for low temperature environments. The system is based on compressed air energy storage technology and a hydraulic isothermal compressor with a water pump that compresses the air in an isothermal process.

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Hybridizing thermoelectric generators with photovoltaic ground-source heat pumps

Researchers in South Korea have analyzed the feasibility of using thermoelectric generators in combination with residential solar-assisted ground-source heat pumps and have found that the thermoelectric devices may act as a suitable power source for data loggers and other sensors in a building system.

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