Your daily dose of photovoltaic technology developments and solar news

• Popular Technical Papers

  • Overview of automation in the photovoltaic industry
  • Understanding moisture ingress and packaging requirements for photovoltaic modules
  • Evaluation of encapsulant materials for PV applications
  • Inline processing of crystalline silicon solar cells: the holy grail for large-scale manufacturing?
  • PV sector outlook: an analyst’s perspective

• Featured Technical Papers

  • Transparent conducting oxide deposition techniques for thin-film photovoltaics
  • Comprehensive and advanced quality assurance measures for optimal yields from PV power plants
  • Surface passivation of silicon solar cells using industrially relevant Al2O3 deposition techniques
  • Influence of a-Si:H deposition temperature on thermal stability of a-Si:H/SiNx:H stacks
  • Integrated loops: a prerequisite for sustainable and environmentally-friendly polysilicon production

Standard solar cell technology nowadays offers a variety of measures - some linked, some not - to continuously improve conversion efficiency. The starting point for considering the different improvement steps is a kind of standard cell as produced on most current production lines. The main elements of this cell are diffused junction, aluminium back-surface field and screen-print metallization. This type of cell suffers losses from different sources like optics, recombination and resistance that can be considerably lowered to obtain higher cell efficiency. This paper will describe improvement steps on the standard type of multi-crystalline cell before addressing cell concepts that open further potential.

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