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OCI increases production capacity at Malaysian polysilicon factory

OCI has revealed plans to invest $617.9 million to expand production at its Malaysian manufacturing facility from 35,000 to 56,600 metric tons.

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Norwegian startup unveils CO2 water-to-water heat pump

Tequs said its new plug-and-play heat pump can deliver up to 90 C of heat for space heating, air conditioning, and domestic hot water. The new product is available in eight versions with capacity ranging from 17 kW to 268 kW.

UNSW researchers warn of surprising TOPCon solar module vulnerabilities

Researchers at the University of New South Wales claim to have identified three TOPCon panel failure types that are absent in PERC products. They explained that these failures may occur when the modules are exposed to high humidity and contaminants before encapsulation.

Korean researchers build 8 kW solid oxide electrolysis cell that can produce 5.7 kg of hydrogen per day

The Korea Institute of Energy Research has developed a solid oxide electrolysis cell stack that uses a special kind of separator plate to ensure proper flow of hydrogen and oxigen after water splitting. Samsung Electro-Mechanics and Bumhan Industries are now cooperating with the research center to improve relevant manufacturing process.

NREL updates interactive chart of solar cell efficiency

The US National Renewable Energy Laboratory (NREL) has updated its research cell efficiency chart for a range of PV technologies.

Trina Solar claims 740 W output for TOPCon PV module

The Chinese manufacturer said Germany’s TÜV SUD has confirmed the results.

How much polysilicon is enough

TU Delft researchers have proposed a new approach for solar cell manufacturing that implies gauging wafer thickness depending on the regions where the cells and modules will be deployed. They also suggested to adopt test conditions that are representative of the outdoor working condition of solar cells in an alternative to standard testing conditions.

New research shows laser-assisted firing improves TOPCon solar cell reliability

Chinese manufacturer Jolywood is currently applying a laser-assisted firing process in TOPCon solar cell manufacturing that can reportedly increase contact quality and corrosion resistance, while also reducing production costs. Scientists at the University of South Wales have investigated the impact of this production process on the quality of TOPCon cells and have found it “significantly” improve their reliability.

Perovskite-perovskite tandem solar cell based on tin-lead top device achieves 28.20% efficiency

Developed by a research group in China, the two-terminal all-perovskite tandem device utilizes a 23.11%-efficient single-junction top cell relying on an optimized Sn-Pb perovskite material. The perovskite-perovskite cell was also able to retain 95.7% of the initial efficiency after being stored in a glovebox for 2,200 h.

EU launches anti-subsidy investigation against Longi, Shanghai Electric

The European authorities are trying to determine whether two consortia – including subsidiaries of Longi and Shanghai Electric – violated the new EU rules on foreign subsidies when they participated in a procurement process in Romania for a 110 MW solar farm. The European Commission is expected to make a final decision within 110 working days.

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