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Japan

Roadmap to achieve CIGS solar modules with efficiencies above 20%

Japanese scientists have described the steps that need to be taken to improve the average efficiency of CIGS solar modules, from around 18.5% at present to more than 20%. They presented all of the critical technical factors that are currently holding the tech back from broader market adoption.

Dye-sensitised photocatalyst promises most efficient solar water splitting to date

Japanese researchers have developed a new way to improve water splitting, while South Korea has completed its largest hydrogen production complex. Scotland and England have announced new hydrogen investments, and Uzbekistan and Saudi Arabia’s ACWA Power have agreed to collaborate on hydrogen projects.

Magnesium superionic conductor for lithium-free solid-state batteries

Scientists in Japan have developed a novel metal-organic, framework-based magnesium ion conductor with superionic conductivity, even at room temperature.

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Toshiba energises PV-powered hydrogen refuelling station in Japan

The system is reportedly able to refill about eight hydrogen fuel cell vehicles, each in three minutes. It is also able to supply electric power by using hydrogen produced with renewable energy within the station.

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Hydrogen combustion tech for residential water heaters, trials in Australia

Japan’s Rinnai has unveiled what it claims is the world’s first 100% hydrogen combustion technology for residential water heaters. It is currently using the hydrogen water heater in demonstration projects in Australia, prior to commercialisation.

Toyota unveils 8.7 kWh battery for residential applications

The battery has a rated output of 5.5 kW and can be installed in outdoor environments. It is equipped with a hybrid power conditioner, a DC-to-DC converter, and a vehicle power supply adapter with a maximum output of 1.1 kWh.

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Sharp achieves conversion efficiency of 32.65% in flexible, lightweight solar module

The new prototype uses a triple-junction compound design, which sandwiches the solar cell between layers of film. The module is expected to be used in a variety of vehicles, an application that demands high efficiency and lightweight construction. Its conversion efficiency bests that of a similar Sharp module developed in 2016, which notched an efficiency of 31.17%, at the time a world record.

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Panasonic combines fuel cells, batteries, PV to power factory in Japan

Japan’s Panasonic claims its new pilot solar-plus-hydrogen facility marks the first attempt to create a factory powered by 100% renewables, via the full-scale use of hydrogen.

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10 GW Desert Bloom green hydrogen project attracts major Japanese partner

Water-from-air technology company Aqua Aerem’s Desert Bloom green hydrogen project received Major Project Status from the Northern Territory Government last year, now it has announced a partnership with Japanese energy giant Osaka Gas which not only brings the 10GW project closer to reality, but has also seen the company boost its ambitions to 20GW in light of “quickly developing demand.”

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Celebrated inaugural hydrogen shipment now under investigation

Hailed as a landmark for Australia’s vision of becoming a global hydrogen exporter, the Suiso Frontier’s first shipment of liquid hydrogen from Australia is now under investigation after a flame was seen coming from the gas combustion unit’s exhaust on deck.

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