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Building perovskite solar cells with waste toner carbon

Scientists in China have fabricated 11.78%-efficient fully printable perovskite solar cells by using an electrode made of waste toner carbon from printer cartridges. The cell achieved an open-circuit voltage of 0.88 V, a short-circuit current density of 24.64 mA cm, and a fill factor of 54.56%.

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CIGS solar panels for weight-constrained rooftops

U.S. thin-film module manufacturer Sunflare is ramping up production at its factory in China. The company makes four different CIGS modules.

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Ireland announces plan to install 600,000 heat pumps by 2030

The move is part of the National Development Plan 2021-2030, which aims to increase the share of renewable electricity in the generation mix up to 80% and to allocate around 15.5 GW of wind and solar capacity through an auction scheme.

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Panasonic launches 5 kW fuel cell system for commercial applications

The system has dimensions of 834×417×1,766 mm and weighs 205 kg including the design panel. It achieves an electrical efficiency of 56% and can be connected with a hot water storage unit.

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New discovery could make organic PV competitive with crystalline silicon

A group of international researchers has observed how non-radiative charge recombination occurs in organic PV and claims to have identified a potential solution that could bring this solar tech closer to crystalline silicon in terms of power conversion efficiency.

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New mounting structure for floating PV

The float can host conventional solar modules with a 120-cell design, a power output of over 400 W, and a weight not exceeding 30kg. It is being developed by South Africa-based Phelan Energy Group, in Dubai.

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Solar tile with 14.2% efficiency from Denmark

Dansk Solenergi ApS has developed a 13.6 kg tile that can be used for both new buildings and building renovation. The device is currently being produced in Denmark, where the company operates a 40 MW line.

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Hybrid fuel cell-battery storage system for solar applications

Scientists in Thailand have built a hybrid system based on a 3 kW fuel cell and a 50 kWh lead-acid battery that is intended for storing solar power. They also sought to identify the best DC coupling voltage between the two devices in order to optimize their combined performance.

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Closed-loop pumped hydro on the rise

Closed-loop pumped-hydro storage offers more chances to minimize environmental effects on water sources and overcomes the problem of finding suitable sites. According to an Australian research team, closed-loop systems could prevail on open-loop systems in the future and this trend is confirmed by another group of scientists from the United States.

Fimer unveils two new string inverters and a residential battery

The Italian power electronics specialist has launched a single-phase inverter, a three-phase device, and a residential battery. The three products will be available for sale starting from January.