CHAPTER THREE THE SOLAR CELL TECHNOLOGY 2e A G.I. Module Energie Solaire Copyright, 2006 © Ahmed S. Bouazzi المدرسة الوطنية للمهندسين بتونس
World production (MW)
PV systems shipping (1995)
SiO 2 + 2C Si (solid) + 2CO (gas) Silicon Purification
Czochralski Crystal Pulling
The Silicon Ingot
Heat Exchange Method (HEM)
Inner-Diameter Saw
Multiwire Saw
Si Wafers Sliced From Ingot
Edge Film Growth (EFG)
Doping of the Wafers
Electric Contact on the Cell
t Silicon SiO 2 Anti-reflection Solutions (1)
Anti-reflection Solutions (2)
Aluminum frame Sealing gasket EVAGlass Spacer Cell Encapsulation of the Panel
By-pass Diode
I SC Parallel Connection
V OC Series Connection
V OC I SC Series-Parallel Connection
Cells in Parallel with Different V OC
Cells in Series with Different I SC
Amorphous Silicon Cells
CdS/Cu2S Cells
CdS/CdTe Cells
GaAlAs/GaAs Cells
C2C2 0 Watt price Line of the minimum efficiency ( cmin ) Row material cost Profitability limit line P Cost Effectiveness
C2C2 0 Watt price Line of the minimum efficiency ( cmin ) Row material cost Profitability limit line P Importance of the Efficiency
Lost material Energetic Pay Back