{"id":339034,"date":"2023-12-18T10:45:37","date_gmt":"2023-12-18T10:45:37","guid":{"rendered":"\/forum\/forums\/topic\/x-y-metalgrid-of-solar-cell-in-charge\/"},"modified":"2023-12-18T10:45:37","modified_gmt":"2023-12-18T10:45:37","slug":"x-y-metalgrid-of-solar-cell-in-charge","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/x-y-metalgrid-of-solar-cell-in-charge\/","title":{"rendered":"x-y metalgrid of solar cell in CHARGE"},"content":{"rendered":"

Hello, <\/p>\n

I want to ask about planar silicon solar cells with metal grid electrodes.<\/p>\n


My objective in this simulation is the calculation of shading loss resulting from the metal electrode area.<\/p>\n

The simplest way to fabricate this structure is just fabricating the whole 3D unit cell.<\/p>\n

 <\/p>\n

However, it required many resources in FDTD and CHARGE when the spacing of the mesh grid is 50 um or more. So I set up the simulation processes like below:<\/p>\n

1) FDTD
I set the small FDTD region and enabled the ‘period’ in the optical generation rate (ogr) analysis group in FDTD.<\/p>\n

The result of the simulation calculates ogr of the Si substrate enlarged to the x-axis.<\/p>\n

2) CHARGE
Parallel metal lines are located at the left and right ends in the x-axis. (For enlargement in the y-axis, I couldn’t set the metal grid.)
Then, the solar cell is expanded again in the y-axis as ‘norm length’  in ‘CHARGE’. <\/p>\n

<\/p>\n

<\/p>\n

The above process makes it possible to simulate a 3D solar cell with metal electrodes, but it is not grid electrodes. 
As you can see in the picture, the designed 3D solar cell has a dead region where it has no ogr data and no electrode.<\/p>\n

How can be possible to simulate a solar cell with mesh electrode even if the spacing of metal grid is large?
 
Theoretically, it can be possible but it requires a lot of resources. Can you let me know another way to simulate with fewer resources? <\/p>\n","protected":false},"template":"","class_list":["post-339034","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t