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US 12,581,789 B2Granted
Module layup for perovskite-silicon tandem solar cells
AssigneeSwift Solar Inc.
InventorsTomas Leijtens, Jiang Huang, In Cheon Baik
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Abstract
Solar cell modules and methods of fabrication are described. In an embodiment, a pair of tandem solar cells are bonded together along a contact ledge of a first tandem solar cell using a solid electrically conductive bonding material.
Claims10
A solar cell module comprising:
- a first tandem solar cell including:
- a first lower silicon subcell, the first lower silicon subcell comprising first patterned line opening (P1) through a top surface of the first lower silicon subcell;
- a first upper perovskite subcell patterned to form a contact ledge over the first lower silicon subcell;
- a first transparent top electrode layer over the first upper perovskite subcell;
- a recombination layer between the first lower silicon subcell and the first upper perovskite subcell;
- a second tandem solar cell including;
- a second lower silicon subcell;
- a second upper perovskite subcell;
- a first top metal pattern spanning over the first transparent top electrode layer where the first transparent top electrode layer is over the first upper perovskite subcell, and spanning over the recombination layer on the contact ledge to form a busbar on the contact ledge;
- wherein a back side of the second lower silicon subcell is bonded to the busbar on the contact ledge with an electrically conductive adhesive layer.
7 more elements
Dependencies are inferred from the claim text.