NREL has unveiled a new version of its Best Research-Cell Efficiency Chart. The tool highlights the highest confirmed conversion efficiencies of research cells for a range of PV technologies.

This result was certified by Fraunhofer ISE, and this new efficiency is shown in the NREL efficiency chart 7 ... as the HJ-IBC cell. There are no high-temperature (<500 ∘) diffusion nor ...

Others might tell you that cell size is limited by diffusion rates. You can’t have a very big cell because it would take too long for things to float from one side of a cell to the other.

This does not require a supply of energy because diffusion is a spontaneous process. This occurs when molecules are moved across the cell membrane from an area where they are at a low ...