Increasing efficiency of PV cell

In summary, the speaker is trying to maximize the efficiency of PV cells by placing them in a U shape and using lenses to focus sunlight on the bottom cell. They are also considering adding a fourth cell facing downwards and using a parabolic mirror on the ground to reflect and focus light onto it. They are seeking ideas for further increasing efficiency and maximizing sunlight capture on the PV cells. The suggestion is made to use a Hyperbolic mirror at the focus of a PVC to maximize its light. Industrial uses of these methods can be found on the internet with diagrams.
  • #1
techguy
8
0
Dear peeps, i am currently facing a problem here. i am tasked to place PV cells within an area and maximize the efficiency of PV cell by focusing sunlight on the cell itself. I am wondering if it is possible. I am thinking of placing 3 cells in a U shape. 1 at the bottom facing up and 2 at the side with one facing the east and 1 facing the west so that all the PV cell can capture sunlight from various angle.

I also thought of using lenses to focus sunlight on the bottom cell. but i am not sure which lense is suitable and what are the lense that are available in the market to do so. Anyone got any idea?

I am so thinking of placing a 4th cell facing downwards. By doing so i need to elevate the whole struture so that i can place perhaps a parabolic mirror(which is bigger than the cell) on ground to reflect and focus light on the 4th cell. My idea is to capture sunlight and reflect them upwards towards the 4th cell to capture sunlight.

Just wondering if this idea will work out? Does anyone got any ideas which you all might have that might be able to help me out here?

Anyway anyone got any idea on how i am further increase the efficiency of the PV cell or even maximise the sunlight that will fall on the PV cell??

Thanks a lot peeps for helping me out here. really desperate for a solution. Thanks!
 
Physics news on Phys.org
  • #2
If you increase the amount of light going to a PVC than you will increase the amount of light it processes to a point. If you put a PVC at the focus of a Hyperbolic mirror you would maximize its light. Industrial uses of PVC's and Hyperbolic mirror are on the internet if you want to find some diagrams.
 
  • #3



Hello, it is definitely possible to increase the efficiency of PV cells by focusing sunlight on them. Your idea of using a U-shaped arrangement with lenses and a parabolic mirror is a good start. However, it is important to consider the cost and feasibility of such a structure.

One suggestion would be to use a tracking system that follows the movement of the sun throughout the day, ensuring that the PV cells are always facing the sun directly. This can greatly increase the amount of sunlight captured by the cells.

Additionally, you could consider using reflective surfaces or coatings on the surrounding area to redirect more sunlight towards the PV cells. This can also help to increase efficiency.

Another option is to use bifacial PV cells, which have the ability to capture sunlight from both sides. This would eliminate the need for a downward facing cell and can increase efficiency without the need for a complex structure.

Lastly, it is important to choose PV cells with a high efficiency rating and to regularly maintain and clean them to ensure maximum efficiency.

I hope these suggestions help and good luck with your project!
 

What is the current efficiency of PV cells?

The current efficiency of PV cells ranges from 15-20%, with some advanced technologies achieving up to 25%. However, this efficiency can vary depending on factors such as the type of PV cell, location, and weather conditions.

How can the efficiency of PV cells be increased?

Several methods can be used to increase the efficiency of PV cells. These include using materials with higher light absorption properties, optimizing the cell design for maximum sunlight capture, and implementing anti-reflective coatings to reduce energy loss.

What is the role of temperature in the efficiency of PV cells?

High temperatures can have a negative impact on the efficiency of PV cells, causing them to produce less electricity. However, certain technologies such as concentrating PV systems can utilize the heat to increase overall efficiency.

How does shading affect the efficiency of PV cells?

Shading can significantly reduce the efficiency of PV cells by blocking direct sunlight, which is essential for electricity generation. To increase efficiency, it is crucial to avoid shading as much as possible, either by placing the PV cells in a shade-free area or using bypass diodes.

What advancements are being made to increase the efficiency of PV cells?

Scientists and researchers are constantly exploring new materials and technologies to improve the efficiency of PV cells. Some potential advancements include using perovskite materials, developing multi-junction cells, and incorporating nanotechnology to increase light absorption.

Similar threads

  • Materials and Chemical Engineering
Replies
2
Views
1K
  • Electrical Engineering
Replies
11
Views
1K
  • Materials and Chemical Engineering
Replies
12
Views
2K
  • Other Physics Topics
Replies
1
Views
417
  • Other Physics Topics
Replies
11
Views
2K
  • Mechanical Engineering
Replies
10
Views
2K
Replies
15
Views
960
  • Atomic and Condensed Matter
Replies
3
Views
4K
Replies
2
Views
900
Back
Top