Photovoltaic module, solar cell, and method for producing solar cell
US10991834B1 · kind B1 · utility
2Cited by
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13Claims
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Key dates
| Filing date | Jun 15, 2020 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Jun 15, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F77/48
Abstract
A solar cell is provided. The solar cell at least includes a semiconductor layer and a plurality of passivation layers provided on a back surface of the semiconductor layer. The passivation layers include a first silicon oxynitride film layer having a first refractive index, a second silicon oxynitride film layer having a second refractive index and provided on a surface of the first silicon oxynitride film layer, and a silicon nitride film layer having a third refractive index and provided on a surface of the second silicon oxynitride film layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.