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Sweden

Northvolt unveils 160 Wh/kg sodium-ion battery

Swedish battery maker Northvolt has developed its first sodium-ion battery. The cell has been validated for an energy density of more than 160 Wh/kg and is designed for energy storage applications.

Swedish startup to use green hydrogen plasma in pilot reactor for solar grade silicon

Encouraged by lab results and a feasibility study, Swedish startup, Green14, in collaboration with Sweden’s Royal Institute of Technology (KTH) plans to build a pilot-scale reactor to make solar grade silicon with a hydrogen plasma process. The company sees the pilot as a step towards using a more sustainable method to produce solar grade silicon for the PV industry at its own gigawatt-scale plant.

World’s first green hydrogen plant to heat steel

Hitachi Energy has delivered a modular solution to electrify a 20 MW electrolyser to produce hydrogen to heat steel before rolling, while Enapter has unveiled its AEM electrolysers for industrial and refuelling pilot projects.

Novel AI-based tech to identify rooftop solar systems from aerial images

The model utilises deep learning and image processing techniques and is said to offer “superior performance.” In the future, it might be able to differ between panels of PV and solar thermal systems.

Swedish developer pushes into Australian solar with Esco Pacific purchase

European renewables giant OX2 has announced its entry into the Australian market with the acquisition of Esco Pacific, one of the country’s biggest utility-scale solar developers in a deal valued at $126 million (USD 84.2 million).

Zinc-ion batteries for residential applications

Enerpoly produces low-cost, low-maintenance zinc-ion battery storage systems for durations of two to 10 hours. The Swedish battery specialist now plans to develop prototypes of a residential plug-in storage system with rechargeable zinc batteries in Europe, under an EU-funded collaborative project with Austrian startup EET.

AC vs. DC in residential buildings equipped with solar-plus-storage

Scientists in Sweden have compared AC and DC topologies in PV-powered buildings using battery storage. They have found that DC distribution systems can achieve energy savings when they are combined with solar-plus-storage systems.

Solar electric camper boat

The POL Lux from Sweden is a catamaran boat design with dual electric motors and a solar canopy that can covert into a private sleeping area.

Molten aluminium storage startup enters Australian market, apparently

In a decidedly confusing announcement, Swedish molten aluminium storage startup Azelio says it has secured a conditional order from relatively unknown Australian company MPG Built. Azelio says the order will see it provide “energy-as-a-service” using five of its TES.POD storage units combined with solar power.

Algae could boost solar panel efficiency by 4%

A Swedish team has inaugurated a pilot facility to mass produce algae material that can potentially boost silicon solar module efficiency by 4% and thin film by 36%. The algae are added to the encapsulant in silicon-based modules or to the anti-reflective coating on the glass of thin film modules. The team estimates the resulting modules would be 3.9% cheaper.

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