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Technology and R&D

Brazil could produce green hydrogen for $2.87/kg, says consultancy

Sao Paulo-based Clean Energy Latin America says green hydrogen could be produced in Brazil at a levelized cost of hydrogen (LCoH) of $2.87 and $3.56 per kg in some strategic locations.

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The case for hard carbon-based sodium-ion batteries

Researchers in China have summarized the technical issues hindering the development of hard carbon, which is regarded as the most promising anode for high-performance, commercial sodium-ion batteries.

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Carrier launches new series of high-temperature heat pumps

Carrier, a US-based heating solutions provider, has introduced a new line of high-temperature heat pumps with capacities ranging from 30 kW to 735 kW, with hydrofluoroolefins as a refrigerant.

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Online mapping tool to identify policy-suitable land for renewables

Called Geospatial Opportunity Mapping (GOMap), the new tool considers high-resolution information from both the local authorities and local utility companies. It is reportedly able to determine the number of rooftop or ground-mounted solar projects that can be deployed in a given area.

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US utility testing 5 MW, 10-hour organic solid flow battery

German battery manufacturer CMBlu is supplying its 5 MW, 10-hour-duration organic solid flow long-duration battery technology to a US utility project, featuring high-performance organic energy storage molecules.

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Underground photovoltaic water pumping system with average system efficiency of up to 8.5%

Developed by Egyptian scientists, the PV-powered water pumping system may produce up to 181.8 m3 of water per day. The system consists of two PV arrays with each a capacity of 4.6 kW and a pumping unit made up of a 7.5 kW three-phase alternating current motor, a multistage submersible pump, a deep well, and a 15 kW inverter.

Off-grid solar canopy charges electric tractor at California winery

Paired Power partnered with Monarch Power to deliver the emissions-free off-grid solution. The winery’s solar canopy is a 38.5 kW array comprised of 72 panels, 535 W each.

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Sharp unveils all-black 420 W TOPCon solar panel with 21.51% efficiency

Sharp’s new IEC61215- and IEC61730-certified solar panels have an operating temperature coefficient of -0.30% per degree Celsius, with 21.51% efficiency.

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Heat pump design to reduce footprint of solar thermal installations

A US-Mexican research team has investigated how linking heat pumps with solar thermal collectors may help reduce the surface needed to deploy the collectors themselves. The scientists found the proposed solution may not only significantly reduce the footprint of solar thermal systems but also provide a lower levelized cost of energy compared to fossil fuels.

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Panasonic testing BIPV glass based on perovskites

Panasonic is now testing perovskite-based power-generating glass with Japanese property developer Mitsui Fudosan Residential at a new building in Kanagawa prefecture, Japan.

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