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Zinc-ion batteries: a less volatile alternative?

At a time of growing demand for battery energy storage, pv magazine spoke with Eloisa de Castro, CEO of Enerpoly, a Swedish company preparing to launch the world’s first zinc-ion battery megafactory on its home turf. Having solved rechargeability issues, the company expects its safe and sustainable zinc-ion batteries, which rely solely on a European supply chain, to increase their market share in the years to come.

The Hydrogen Stream: Climate group dampens hopes for blue hydrogen

Solutions for Our Climate (SFOC) says in a new report that blue hydrogen might not be an effective climate solution, while TotalEnergies and its partners have agreed to explore green hydrogen potential in Tunisia.


Construction begins on Sweden’s largest rooftop PV system

Brion Solenergi has started working on the Nordic region’s biggest rooftop solar project. The 14 MW array will span the rooftop of a warehouse owned by Danish transport company DSV.


The Hydrogen Stream: Nikola to sell 100 fuel-cell hydrogen trucks to Port of LA

Nikola plans to sell 100 hydrogen fuel-cell trucks for logistic operations in California, Volvo has started developing hydrogen combustion trucks, and Airbus has announced plans to launch a study into hydrogen projects in the US state of Georgia.


Low platinum fuel cells for hydrogen vehicles

New research from Sweden suggests that low platinum fuel cells for hydrogen vehicles, when scaled up for the same number of cells, may achieve similar or higher efficiencies compared to commercial fuel cells. Their modeling is expected to act as a bridge between material science research and vehicle implementation.

Midsummer, Kaisheng partner on thin-film solar production

China’s Kaisheng New Energy Technology has agreed to produce a new line of thin-film solar panels for rooftops under an original equipment manufacturer (OEM) agreement with Sweden’s Midsummer. The modules will be exclusive to the European rooftop market through Midsummer.

Swedish researchers propose tailored PV incentives

Researchers in Sweden have investigated incentive programs for rooftop PV and proposed the adaptation of future schemes to different investor profiles.

Midsummer builds 200 MW CIGS solar module factory in southeastern Sweden

Swedish thin film solar manufacturer Midsummer has selected a factory in southeastern Sweden to develop its new solar module production facility, which will produce copper indium gallium selenide (CIGS) solar cells for the European market.


Perovskite PV cell, module manufacturing may face material supply risks

German and Swedish researchers calculated the supply of materials to produce perovskite tandem PV at a multi-terawatt-scale, flagging the difficult supply of gold, indium and cesium, well as a need to streamline production of certain materials used for hole-transport layers. “In essence, we might be able to go post-fossil fuels, but we can’t go post-minerals,” the research’s corresponding author, Lukas Wagner, told pv magazine.

PV module fault detection technique based on convolutional neural network

An international research team has used the convolutional neural network (CNN) deep learning algorithm to identify faults in solar panels. Its work showed the proposed technique has a high degree of accuracy, especially if combined with transfer learning models.

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