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Basic characteristics of solar energy battery

Categories:solar energy battery News
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Time of issue:2022-09-20 16:55
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(Summary description)Silicon solar energy battery are generally made of P+/N type structure or N+/P type structure. P+ and N+ represent the conductivity type of the semiconductor material on the front side of the solar cell;

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Basic characteristics of solar energy battery

Categories:solar energy battery News
Author:
Origin:
Time of issue:2022-09-20 16:55
Views:

Information

1. Polarity of solar energy battery
Silicon solar energy battery are generally made of P+/N type structure or N+/P type structure. P+ and N+ represent the conductivity type of the semiconductor material on the front side of the solar cell; N and P represent the conductivity type of the semiconductor material on the backside of the solar cell. . The electrical properties of a solar cell are related to the properties of the semiconductor material used to make the cell.

2. The volt-ampere characteristics of solar energy battery
P-N junction solar energy battery consist of a shallow P-N junction formed on the surface, a front-side ohmic contact with strips and fingers, a backside ohmic contact covering the entire back surface, and an anti-reflection layer on the front side. When the cell is exposed to the solar spectrum, photons with energies less than the band gap Eg do not contribute to the cell output. Photons with energy greater than the forbidden band width Eg will contribute energy Eg to the battery output, and energy less than Eg will be consumed in the form of heat. Therefore, in the design and manufacture of solar energy battery, the influence of this part of the heat on cell stability, life, etc. must be considered.

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