Research

In space, stability of perovskite cells is not an issue

A Chinese research team has tested large-area perovskite solar cells by sending them into near-earth orbit at 35 km, and has discovered the near lack of oxygen and moisture is good for their stability.

The blockchain club

Open-source blockchain platform Energy Web Foundation has revealed the number of its affiliates has risen from 37 to 100 in recent months. New members include EnBW, Total and a unit of the State Grid Corporation of China. The platform was conceived to create an energy-blockchain ecosystem and to accelerate the energy transition.

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Netherlands’ ECN achieves 30.2% efficiency for bifacial tandem cell based on perovskite

The cell was created by applying a newly developed perovskite cell on top of an industrial bifacial crystalline silicon version. The resulting cell is said to better harvest sunlight, as one unit is optimized for high energy photons and the other absorbs low energy particles.

5

Titanium oxide helps perovskite solar cell reach 16.8% efficiency

A group of Japanese researchers have used anatase and brookite, which are two different variants of titanium dioxide, to improve the efficiency of a perovskite-based solar cell. The use of the two minerals is said to considerably improve the control of the electron transport out of the perovskite layer.

Medium and small power-to-gas conversion already viable

An international team of economists says power-to-gas may already generate hydrogen at costs competitive with fossil fuel power plants in Germany and Texas, provided certain production output levels are not exceeded. If medium and small power-to-gas is competitive, large-scale should be viable by 2030.

Storage Highlights Countdown #5; Thermoelectric energy storage – MAN Energy Solutions

In the run-up to the Energy Storage Europe conference pv magazine is featuring the top ten developments in the field as our Energy Storage Highlights, selected by an independent jury of experts. Last week we revealed #6, a ’70s revival of a ceramic high temperature battery.

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Solar creeps into chemical production with new nylon synthesis process

A team of researchers at NYU have presented a new chemical reactor type that synthesizes a precursor for nylon production through electrosynthesis, rather than a thermal based reaction.

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Australian scientists use hydrogen atoms to boost solar cell efficiency

Researchers want to better understand how hydrogen atoms may improve the performance of phosphorus-doped polycrystalline silicon (poly-Si) films for passivating contact solar cells.

Swiss researchers claim 29% efficiency for residential CPV panel

The module was developed by Insolight, a spin-off of Switzerland’s École polytechnique fédérale de Lausanne. The panel is based on tiny solar cells usually used for spaceflight applications and the limited amount used in the module makes it close to mass production, its creators claim.

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SERIS aims for 24% efficiency for mono PERC cell

The Singapore research institute will cooperate with China’s Ruxing Technology to increase the efficiency of its monoPoly™ technology. Through this cooperation, SERIS believes its solar cell efficiency could be raised to 24%, and module power beyond 345 W.

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