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Basic characteristics of solar energy battery

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Time of issue:2022-08-30 15:33
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(Summary description)Silicon solar cells 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 energy battery

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Basic characteristics of solar energy battery

Categories:storage battery News
Author:
Origin:
Time of issue:2022-08-30 15:33
Views:

Information

1. Polarity of solar energy battery
Silicon solar cells 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 energy battery; N and P represent the conductivity type of the semiconductor material on the backside of the solar energy battery. The electrical properties of a solar cell are related to the properties of the semiconductor material used to make the cell.

2. Performance parameters of solar energy battery
The performance parameters of solar cells are composed of open-circuit voltage, short-circuit current, maximum output power, fill factor, and conversion efficiency. These parameters are indicators to measure the performance of solar energy battery.
3 The volt-ampere characteristics of solar energy battery
P-N junction solar cells 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. 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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