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Japan

I’ve got solar over my skin

Researchers in Japan have built a PV-powered device to measure volumetric variations in blood circulation. The system, which is just a few microns thick, was built with an organic solar module, a polymer light-emitting diode (PLED), and an organic photodetector.

Orix secures PPA for 2.2 MW unsubsidized solar plant in Japan

The Japanese company will supply, with solar power, a denim factory in the Hiroshima prefecture.

Solar and wind together overhaul global hydro capacity

The latest set of clean energy statistics compiled by the International Renewable Energy Agency signal a changing of the guard when it comes to clean power, with legacy hydropower facilities overtaken by new intermittent renewables.

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Trina became world’s third biggest panel supplier in 2020

The Chinese giant overhauled JA Solar by moving almost 16 GW worth of modules, with the 600 W-plus, 210mm-wafer-based Vertex range it launched last year having already sold 10 GW of units.

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Multi-layer front contact perovskite solar cells with 16.55% efficiency

Japanese scientists have used spray pyrolysis deposition to fabricate perovskite solar cells based on a titanium oxide electron transport layer. They claim that the cells have the potential to reach a power conversion efficiency rating of more than 30%.

African green hydrogen could feed German and Japanese industry and water drought-stricken nations

Trade bodies the Africa Solar Industry Association and the African Hydrogen Partnership hosted a two-day virtual conference to discuss the role green hydrogen can play in economic growth across the continent–and how it could drive desalination in freshwater-starved coastal countries.

‘Falling solar module costs are behind us’

Canadian Solar is pivoting towards energy storage and is preparing to IPO its manufacturing and Chinese solar project activity in China, under the CSI Solar operation, by July.

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Household solar holds key to climate-neutral Japan

Rooftops will have to supply a third of the 524 GW of solar generation capacity needed by 2045 to reach a zero-carbon economy by mid century, according to an academic paper. The researchers also suggested green hydrogen should not play a central role in the nation’s energy transition.

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New deals in Australia’s growing redox flow battery sector

Redflow has agreed to supply biowaste specialist Anaergia with a 2 MWh energy storage system, while Perth-based Technology Metals has signed a deal with Japan’s LE System to potentially make vanadium electrolyte in Australia.

Japanese researchers build tin(II) sulfide solar cell with high open-circuit voltage

The single-junction cell has a conversion efficiency of only 1.4%, but its creators claim it may easily reach between 4 and 5%, when properly optimized. The device also showed a remarkable open-circuit voltage of 360 mV, which the scientists described as the highest VOC value ever reached for SnS‐based heterojunction solar cells.

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