Why does n-type battery have a high bifaciality rate

Why is the bifaciality factor of a cell smaller than unity?

But since the lay-out of the cell is usually non-symmetrical, the response of the cell to light falling on the front or the rear is not the same. In other words, the bifaciality factor of the cell, defined as the ratio of the efficiency of the cell under rear illumination and under front illumination, is usually smaller than unity.

How bifaciality and n-type technology can be used in solar farms?

The combination of bifaciality and n-type technology, with an 85% high bifaciality rate due to the structural differences of TOPCon cells, makes the combination of bifacial modules and tracker systems gradually become the standard option for large-scale ground-mounted solar farms.

Why do bifacial solar cells produce more energy?

Introducti n Because bifacial solar cells can convert light falling on the rear as well as on the front, they have a potentially higher energy yield. But since the lay-out of the cell is usually non-symmetrical, the response of the cell to light falling on the front or the rear is not the same.

What is the difference between monofacial and bifacial solar cells?

In contrast, monofacial solar cells produce electrical energy only when photons impinge on their front side. Bifacial solar cells can make use of albedo radiation, which is useful for applications where a lot of light is reflected on surfaces such as roofs.

Does the bifaciality factor of N-Pert cells increase with base resistivity?

This factor increased when the recombination parameters of the back-surface field and the base material were improved. Moreover, we found that the bifaciality factor of n-PERT cells increased strongly with the base resistivity.

What is a bifacial solar cell?

Instead, a bifacial solar cell is designed in such a way that the cell will produce a photocurrent when either side, front or rear, is illuminated. BSCs and modules (arrays of BSCs) were invented and first produced for space and earth applications in the late 1970s, and became mainstream solar cell technology by the 2010s.