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Japan

Robotic measurement system assesses new materials for solar cells

Researchers in Japan have developed an automated system to perform photoabsorption and photoluminescence spectroscopy, optical microscopy, and white-light flash time-resolved microwave conductivity tests.

Sharp unveils 580 W TOPCon solar panel with 22.45% efficiency

Sharp’s new IEC61215- and IEC61730-certified solar panels have an operating temperature coefficient of -0.30% per C and a bifaciality factor of over 80%.

Japan PPA market now includes solar carports

Sumitomo and Shikoku Electric have agreed to sell solar power to Japanese retailer Aeon Mall under a power purchase agreement (PPA). Around 15 MW of solar carports are now being developed to supply the electricity.

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Mitsubishi debuts residential air-to-water heat pumps

Mitsubishi’s monobloc Hydrolution EZY can reportedly produce domestic hot water up to 60 C when outdoor temperatures reach -25 C. It is available in two versions, with outputs of 10 kW and 14 kW.

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New passivation strategy paves the way for lead-free perovskite-silicon tandem solar cells

Scientists in Japan have developed a lead-free tin sulfide solar cell that is intended for applications in tandem perovskite-silicon PV devices. Through a new passivation technique based on the use of phenylsilane (PhSiH3) as a reducing agent, they were able to considerably increase the cell efficiency compared to a reference device with no PhSiH3 treatment.

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Charging quantum batteries

Researchers in Japan have taken advantage of an unintuitive quantum process that disregards the conventional notion of causality to improve the performance of so-called “quantum batteries.” They believe these advances could help to bring the technology a little closer to reality.

The Hydrogen Stream: GM, Autocar aim for hydrogen vehicle production by 2026

GM and Autocar Industries have agreed to jointly develop hydrogen-powered heavy-duty vehicles using GM’s Hydrotec power cubes, while European lawmakers have reached a provisional agreement on common market rules for renewable gases and hydrogen.

Toshiba develops PV photocoupler for automotive applications

Japan’s Toshiba says its new PV output photocoupler for solid-state relay could be used for battery management systems, onboard chargers, and inverters.

Japanese scientists develop high energy density, cobalt-free lithium-ion battery

The new cobalt-free battery yields about 60% greater energy density than conventional lithium-ion batteries for an equivalent weight and volume and sustains unprecedented 1,000 cycles.

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The Hydrogen Stream: Masdar signs hydrogen deals at COP28

At COP28, Masdar revealed a $16 billion investment deal with Iberdrola for green energy projects in Germany, the United Kingdom, and the United States. Masdar also signed a memorandum to assess the feasibility of a green hydrogen plant near the Port of Aqaba in Jordan.

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