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US 2019/0097077 A1Published application
Bonds for solar cell metallization
AssigneesSunPower Corporation, Total Marketing Services
InventorsRichard Hamilton Sewell, Michel Arsène Olivier Ngamo Toko, Matthieu Moors, Jens Dirk Moschner
Life of this patent
Estimating the term…
Abstract
A solar cell can include a substrate and a semiconductor region disposed in or above the substrate. The solar cell can also include a conductive contact disposed on the semiconductor region with the conductive contact including a conductive foil bonded to the semiconductor region.
Claims21
A solar cell, comprising:
- a substrate;
- a semiconductor region disposed above and insulated from the substrate;
- and
- a conductive wire thermally compressed to the semiconductor region.
1 more element
A solar cell, comprising:
- a single crystalline silicon substrate;
- a doped silicon region disposed in the single crystalline silicon substrate;
- a conductive wire thermally compressed to the doped silicon region;
- a first metal between the conductive wire and the doped silicon region;
- and
- a second metal between the conductive wire and the first metal.
3 more elements
A solar cell, comprising:
- a single crystalline silicon substrate;
- a doped polycrystalline silicon layer disposed above the single crystalline silicon substrate;
- an oxide layer between the single crystalline silicon substrate and the doped polycrystalline silicon layer;
- and
- a conductive wire thermally compressed to the doped polycrystalline silicon layer.
2 more elements
A solar cell, comprising:
- a substrate;
- a semiconductor region disposed in or above the substrate;
- a conductive wire thermally compressed to the semiconductor region;
- a first metal between the conductive wire and the semiconductor region;
- and
- a second metal between the conductive wire and the first metal.
3 more elements
A solar cell, comprising:
- a single crystalline silicon substrate;
- a doped silicon region disposed in the single crystalline silicon substrate;
- and
- a conductive wire thermally compressed to the doped silicon region, wherein the conductive wire is an aluminum wire coated in copper.
1 more element
A solar cell, comprising:
- a single crystalline silicon substrate;
- a doped polycrystalline silicon layer disposed above the single crystalline silicon substrate;
- a conductive wire thermally compressed to the doped polycrystalline silicon layer;
- a first metal between the conductive wire and the doped polycrystalline silicon layer;
- and
- a second metal between the conductive wire and the first metal.
3 more elements
Dependencies are inferred from the claim text.