Energy & Green Tech
Tandem cells made of silicon and perovskite are able to convert the broad energy spectrum of sunlight into electrical energy more efficiently than the respective single cells. Now, for the first time, two teams from HZB and ...
Feb 24, 2022
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5
Energy & Green Tech
An international team of experts has collected data on metal halide perovskite solar cells from more than 15,000 publications and developed a database with visualization options and analysis tools. The database is open source ...
Dec 20, 2021
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171
Energy & Green Tech
Among the most exciting materials for solar cells are the so-called MAPI semiconductors. They consist of organic methylammonium cations and lead iodide octahedra that form a perovskite structure. MAPI based solar cells have ...
Oct 7, 2021
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Energy & Green Tech
A team from the Helmholtz-Zentrum Berlin, Ulm University, and Heidelberg University has now investigated how hydrogen can be produced at the South Pole using sunlight, and which method is the most promising. Their conclusion: ...
Jul 2, 2021
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Energy & Green Tech
The expansion of wind energy in the German Bight and the Baltic Sea has accelerated enormously in recent years. The first systems went into operation in 2008. Today, wind turbines with an output of around 8,000 megawatts ...
Jun 3, 2021
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244
Engineering
They have improved a process for vertically depositing a solution made from an inexpensive perovskite solute onto a moving substrate below. Not only have they discovered the crucial role played by one of the solvents used, ...
Feb 22, 2021
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78
Energy & Green Tech
An HZB team has published a report in the journal Science on the development of its current world record of 29.15% efficiency for a tandem solar cell made of perovskite and silicon. The tandem cell provided stable performance ...
Dec 10, 2020
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345
Energy & Green Tech
In 2017 a huge storage facility in the pores of a sandstone layer at a depth of between 1015 and 1045 meters below Berlin's Grunewald forest that had been used to temporarily store natural gas, to cover the city's fluctuating ...
Aug 24, 2020
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8
Energy & Green Tech
Halide perovskite materials show high efficiency for solar energy technologies, but this comes at a cost: The best perovskite materials incorporate toxic lead, which poses a hazard to the environment. Replacing lead with ...
May 12, 2020
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Energy & Green Tech
A new world-record-setting solar cell developed by HZB combines the semiconductors perovskite and CIGS to a monolithic 'two-terminal' tandem cell. Due to the thin-film technologies used, such tandem cells survive much longer ...
Apr 15, 2020
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