Photoelectric conversion efficiency
η% An important factor in evaluating the quality of a solar cell.
At present: laboratory η ≈ 24%, industrialization: η ≈ 15%.
Single cell voltage
V: 0.4V - 0.6V is determined by the physical properties of the material.
Fill factor FF%
An important factor in assessing the load capacity of solar cells. FF=(Im×Vm)/(Isc×Voc)
Where: Isc - short circuit current, Voc - open circuit voltage, Im - optimal operating current, Vm - optimal operating voltage;
Standard light intensity
AM1.5 light intensity, 1000W/m2, t = 25°C;
Effect of temperature on battery properties
For example, under standard conditions, the AM1.5 light intensity, t=25°C, the output power of a panel is measured to be 100Wp. If the battery temperature rises to 45°C, the output power of the panel is less than 100Wp.
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