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Meyer Burger unveils new solar tiles

Meyer Burger plans to start selling a new building-integrated PV product from 2022. It says the solar tiles have a high energy yield, with simplified installation and the ability to also provide heating. German engineering company paXos designed the tiles.


Invisible BIPV system covers building in Zurich’s city center

The BIPV installation was developed with monocrystalline solar tiles provided by Swiss manufacturer 3S Solar Plus. The product is available in different gradations of green, blue, terracotta and brown and has a power output ranging from 80 to 170 W, depending on color and size.

Interface engineering for a stable, 23.4% efficient perovskite solar cell

Scientists led by Switzerland’s École Polytechnique Fedérale de Lausanne (EPFL) demonstrated a simple approach to designing the interface between two layers in a perovskite solar cell, which was shown to improve both the performance and stability of the device. Solar cells fabricated by the group achieved 23.4% conversion efficiency, and were operated for close to 6,000 hours before degrading beyond 80% of this initial value.


Lightyear solar car has raised more than $110m this year

The Dutch start-up behind the world’s first commercial grid-independent solar car has generated significant investment this year. Deliveries of the prototype Lightyear One are now set for next summer.

Solar-powered airplane to reach the stratosphere

The airplane is powered by 22 square meters of solar cells with an efficiency of up to 24% and 14 kWh of lithium-ion batteries. According to its creators, it can reach an altitude of 25,000m.

Swiss scientists achieve 21.4% efficiency for flexible CIGS solar cell

The result was confirmed by Germany’s Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE). The cell was fabricated through a low-temperature co-evaporation method for the growth of the light-absorbing CIGS semiconductor thin film.

Vanadium-manganese redox dual-flow battery to store power, generate hydrogen

Conceived by Swiss researchers, the battery shows good stability over 50 cycles, with an average energy efficiency of 68% and a water-splitting voltage efficiency of 64.1%. According to its creators, the device produces pure hydrogen that only needs to be dried and compressed for optimal storage.


The Hydrogen Stream: GCL will use Ethiopian natural gas to feed its ammonia and blue hydrogen

Plus there is news this week of a green hydrogen tie-up in India, plans for another German production facility, and of new hydrogen transport networks for Switzerland and the U.S.


The implications of a messy Meyer Burger-Oxford PV divorce for European perovskites

Last week’s announcement Oxford PV wants to wind up its “exclusive cooperation” with Meyer Burger after the fit out of its 100 MW German factory points to a potential divergence in strategies. And with Meyer Burger considering legal action in response, it could result in a messy, disruptive separation.


Meyer Burger considers legal action as Oxford PV unilaterally terminates exclusive cooperation

Meyer Burger claims machines to produce perovskite tandem solar cells are still missing at Oxford PV’s manufacturing plant in Germany’s Brandenburg an der Havel. Despite this, Oxford PV terminated the cooperation with the turnkey machine supplier in a surprise move last week. The Swiss technology group, which now produces its own heterojunction solar cells and modules in Germany, is now considering legal action.

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