Scientists in the United States theorized that a new allotrope of silicon – the same element arranged into a different atomic structure – could show greatly improved photovoltaic performance compared to that used in today’s solar cells. The allotrope, Si22, could also have important properties for use in quantum computing, carbon sequestration and other applications – though fabrication and actual physical testing of the material will be needed to back up the theoretical findings presented so far.
An Indian research group has used three different chemicals instead of commonly used hydrofluoric acid to separate silicon from the cell. The technique is claimed to be able to deliver recycled silicon with a purity of up to 99.9984%.
The result was confirmed, once again, by Germany’s Institute for Solar Energy Research Hamelin (ISFH).
The new product has a power conversion efficiency of up to 19.3% and a weight of 11.2 kg. The module is produced with glass fiber reinforced plastic, which the manufacturer says reduces light reflection and opens up new assembly options.
The largest single-quarter drop in three years comes as the American Solar Manufacturers Against Chinese Circumvention propose greater tariffs against Asian-imported modules.
The polysilicon manufacturer and solar project developer has finally managed to publish the annual figures for 2020 and appears to be placing a lot of faith in its less-energy-intensive granular silicon product. In the meantime, though, another debt repayment deadline is looming within a fortnight.
The solar cell was built on a fluorine-doped tin oxide substrate coated with titanium dioxide, an electron selective layer made of mesoporous titanium dioxide, a zirconium dioxide insulating spacer layer, and a graphite electrode. A mini-module fabricated with this cell passed, for the first time, a hotspot test.
The input costs of the two biggest contributors to solar plant development expense have gone through the roof since the world began to come out of Covid-19 lockdowns, to leave project developers with some difficult choices.
Menlo Electric said the procured modules will be primarily offered to B2C and B2B installers across Central Europe.
According to a statement released by the Californian manufacturer, the U.S. International Trade Commission (ITC) issued an initial determination finding that Canadian Solar may have violated two U.S. patents covering Solaria’s shingled photovoltaic panels.
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