Shulou(Shulou.com)11/24 Report--

CTOnews.com, January 8-researchers from the German Aerospace Center (DLR) have made a translucent solar cell based on an ultra-thin hydrogenated amorphous multiple quantum well (MQWs) made of silicon and germanium (Si / Ge).

Researcher Hosni Meddeb said: "our new translucent solar cell technology can be integrated on a variety of objects, such as glass curtain walls for buildings and windows, skylights for vehicles and agricultural photovoltaic greenhouses. In addition to collecting solar energy, a variety of functions can be achieved through custom design, such as aesthetic appearance, visual comfort and thermal management."

It is reported that the light utilization efficiency of the solar cell has reached more than 1.1%, which is one of the highest in the inorganic translucent solar cell technology.

The team described the cell technology in "novel translucent solar cells based on ultra-thin polysilicon / germanium quantum wells", which was recently published in Photovoltaic Progress. The team is currently trying to establish a technical-economic and ecological assessment of the application of its new translucent solar cell technology in building integrated photovoltaic. Further non-technical considerations and detailed cost estimates are expected in the future.

CTOnews.com learned that in early December 2022, BMW Group applied for a new patent with the German Patent and Trademark Office (DPMA). The patent allows ultra-thin solar panels to be placed on glass panels outside the car, which is expected to improve power generation efficiency and significantly reduce direct sunlight inside the vehicle. It is reported that the patented technology may be applied to high-end BMW electric models, including BMW XM, BMW iX and so on.

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