Meyer Burger
HELiA - Coating Systems for Highest Efficiency Solar Cell
FromMeyer Burger
HELiA is the very latest generation of highly efficient cell coating, known as heterojunction. The core components for the manufacturing of solar cells using heterojunction technology (HJT) are HELiAPECVD and PVD. The systems are perfectly coordinated, both technologically and with regard to their total throughput of 2,400 wafers per hour.
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HELiA – ‘High Efficiency Low impurity Apparatus’ – is a platform for two coating processes in heterojunction-based cell coating. The HELiAPECVD with the S-CubeTM applies the intrinsic a-Si layer for passivation, as well as the amorphous and doped a-Si layers, p and n. The HELiAPVD carries out front and rear surface coating using conductive TCO – with no turning of the wafer required.
Your Benefits:
- Heterojunction technology combines advantages of amorphous silicon (thin film) with advantages of monocrystalline silicon wafers
- Highest cell efficiencies of more than 23% with further growth potential
- Reduced production process with only 6 steps
- Significant increase in energy yield thanks to a top-class temperature coefficient of -0.25%/K
- Ideal for thin wafers and ready for combination with SmartWire Connection Technology (SWCT)