Method for manufacturing a photovoltaic module with two etching steps P2 and P3 and corresponding photovoltaic module
US9502597B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2013 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Mar 9, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
Abstract
The invention relates to a method for manufacturing a photovoltaic module comprising a plurality of solar cells in a thin-layer structure, in which the following are consecutively formed: an electrode on the rear surface (41), a photovoltaic layer (46) obtained by depositing a layer (42) of precursors and by annealing such as to convert the precursors into a semiconductor material, and another semiconductor layer (43) in order to create a pn junction with the photovoltaic layer (46); characterized in that the layer (42) is deposited in a localized manner, such as to leave free at least one area (410) of the electrode on the rear surface (41) placed between two adjacent cells, wherein the annealing step modifies said area (410) which has higher resistivity than the rest of the electrode on the rear surface (41), such as to provide electric insulation between two adjacent cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.