PP1 Silicon Cells

Silicon solar cells constitute about 90% of the worldwide solar electricity market (photovoltaic + thermal). This share is unlikely to change much over the next five years. In 2015, new silicon PV and wind electricity generation capacity was installed at a greater rate than the sum of new fossil and nuclear generation capacity combined. Reasons for silicon’s dominance include silicon abundance, moderate cost, low toxicity, high and stable cell efficiency, robustness, bankability, highly advanced and widespread knowledge of silicon, and extensive and sophisticated supply chains.

This Program Package (PP1) addresses silicon wafer-based cells and modules and has efficiency targets, increasing over the eight-year period, for cells formed from solar-grade silicon, all-rear contact cells and tandem structures that include silicon.

 

 

PP1 Silicon Cells

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Chief Investigators: Andrew Blakers
Overview: ACAP will study the use of cheaper and less energy intensive silicon feedstocks, including n-type silicon, for commercial wafer solar cells
Chief Investigators: Andrew Blakers, Martin Green
Overview: We will use back-contact n-type cells as the workhorse for the testing of improved techniques for n-type silicon back contact cells .
Chief Investigators: Andres Cuevas
Overview: The objective of this sub-project is to investigate several possible avenues for passivating the metal/semiconductor contacts required by all silicon solar cells.
Chief Investigators: Martin Green
Overview: Stacking cells of different materials and combining their electrical outputs is one path to higher efficiency. ACAP will research different ways of doing this to capitalise on silicon's advantages.
Chief Investigators: Xiaojing Hao
Overview: The aim of the present project is to work with NREL, which has world-leading expertise on I-II-VI chalcogenide solar cells, to exploit the complementary synergies with UNSW to develop a new generat
Chief Investigators: Andrew Blakers
Overview: An alternative approach to implementing silicon tandem cells is mechanical stacking with independent connection to each cell in the stack.